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Dosya Düzenle: index.js

// node_modules/temml/dist/temml.mjs
var ParseError = class _ParseError {
  constructor(message, token) {
    let error = " " + message;
    let start;
    const loc = token && token.loc;
    if (loc && loc.start <= loc.end) {
      const input = loc.lexer.input;
      start = loc.start;
      const end = loc.end;
      if (start === input.length) {
        error += " at end of input: ";
      } else {
        error += " at position " + (start + 1) + ": ";
      }
      const underlined = input.slice(start, end).replace(/[^]/g, "$&\u0332");
      let left;
      if (start > 15) {
        left = "\u2026" + input.slice(start - 15, start);
      } else {
        left = input.slice(0, start);
      }
      let right;
      if (end + 15 < input.length) {
        right = input.slice(end, end + 15) + "\u2026";
      } else {
        right = input.slice(end);
      }
      error += left + underlined + right;
    }
    const self = new Error(error);
    self.name = "ParseError";
    self.__proto__ = _ParseError.prototype;
    self.position = start;
    return self;
  }
};
ParseError.prototype.__proto__ = Error.prototype;
var deflt = function(setting, defaultIfUndefined) {
  return setting === void 0 ? defaultIfUndefined : setting;
};
var uppercase = /([A-Z])/g;
var hyphenate = function(str) {
  return str.replace(uppercase, "-$1").toLowerCase();
};
var ESCAPE_LOOKUP = {
  "&": "&amp;",
  ">": "&gt;",
  "<": "&lt;",
  '"': "&quot;",
  "'": "&#x27;"
};
var ESCAPE_REGEX = /[&><"']/g;
function escape(text2) {
  return String(text2).replace(ESCAPE_REGEX, (match) => ESCAPE_LOOKUP[match]);
}
var getBaseElem = function(group) {
  if (group.type === "ordgroup") {
    if (group.body.length === 1) {
      return getBaseElem(group.body[0]);
    } else {
      return group;
    }
  } else if (group.type === "color") {
    if (group.body.length === 1) {
      return getBaseElem(group.body[0]);
    } else {
      return group;
    }
  } else if (group.type === "font") {
    return getBaseElem(group.body);
  } else {
    return group;
  }
};
var isCharacterBox = function(group) {
  const baseElem = getBaseElem(group);
  return baseElem.type === "mathord" || baseElem.type === "textord" || baseElem.type === "atom";
};
var assert = function(value) {
  if (!value) {
    throw new Error("Expected non-null, but got " + String(value));
  }
  return value;
};
var protocolFromUrl = function(url) {
  const protocol = /^[\x00-\x20]*([^\\/#?]*?)(:|&#0*58|&#x0*3a|&colon)/i.exec(url);
  if (!protocol) {
    return "_relative";
  }
  if (protocol[2] !== ":") {
    return null;
  }
  if (!/^[a-zA-Z][a-zA-Z0-9+\-.]*$/.test(protocol[1])) {
    return null;
  }
  return protocol[1].toLowerCase();
};
var round = function(n) {
  return +n.toFixed(4);
};
var utils = {
  deflt,
  escape,
  hyphenate,
  getBaseElem,
  isCharacterBox,
  protocolFromUrl,
  round
};
var Settings = class {
  constructor(options) {
    options = options || {};
    this.displayMode = utils.deflt(options.displayMode, false);
    this.annotate = utils.deflt(options.annotate, false);
    this.leqno = utils.deflt(options.leqno, false);
    this.throwOnError = utils.deflt(options.throwOnError, false);
    this.errorColor = utils.deflt(options.errorColor, "#b22222");
    this.macros = options.macros || {};
    this.wrap = utils.deflt(options.wrap, "tex");
    this.xml = utils.deflt(options.xml, false);
    this.colorIsTextColor = utils.deflt(options.colorIsTextColor, false);
    this.strict = utils.deflt(options.strict, false);
    this.trust = utils.deflt(options.trust, false);
    this.maxSize = options.maxSize === void 0 ? [Infinity, Infinity] : Array.isArray(options.maxSize) ? options.maxSize : [Infinity, Infinity];
    this.maxExpand = Math.max(0, utils.deflt(options.maxExpand, 1e3));
  }
  /**
   * Check whether to test potentially dangerous input, and return
   * `true` (trusted) or `false` (untrusted).  The sole argument `context`
   * should be an object with `command` field specifying the relevant LaTeX
   * command (as a string starting with `\`), and any other arguments, etc.
   * If `context` has a `url` field, a `protocol` field will automatically
   * get added by this function (changing the specified object).
   */
  isTrusted(context) {
    if (context.url && !context.protocol) {
      const protocol = utils.protocolFromUrl(context.url);
      if (protocol == null) {
        return false;
      }
      context.protocol = protocol;
    }
    const trust = typeof this.trust === "function" ? this.trust(context) : this.trust;
    return Boolean(trust);
  }
};
var _functions = {};
var _mathmlGroupBuilders = {};
function defineFunction({
  type,
  names,
  props,
  handler,
  mathmlBuilder: mathmlBuilder2
}) {
  const data = {
    type,
    numArgs: props.numArgs,
    argTypes: props.argTypes,
    allowedInArgument: !!props.allowedInArgument,
    allowedInText: !!props.allowedInText,
    allowedInMath: props.allowedInMath === void 0 ? true : props.allowedInMath,
    numOptionalArgs: props.numOptionalArgs || 0,
    infix: !!props.infix,
    primitive: !!props.primitive,
    handler
  };
  for (let i = 0; i < names.length; ++i) {
    _functions[names[i]] = data;
  }
  if (type) {
    if (mathmlBuilder2) {
      _mathmlGroupBuilders[type] = mathmlBuilder2;
    }
  }
}
function defineFunctionBuilders({ type, mathmlBuilder: mathmlBuilder2 }) {
  defineFunction({
    type,
    names: [],
    props: { numArgs: 0 },
    handler() {
      throw new Error("Should never be called.");
    },
    mathmlBuilder: mathmlBuilder2
  });
}
var normalizeArgument = function(arg) {
  return arg.type === "ordgroup" && arg.body.length === 1 ? arg.body[0] : arg;
};
var ordargument = function(arg) {
  return arg.type === "ordgroup" ? arg.body : [arg];
};
var DocumentFragment = class {
  constructor(children) {
    this.children = children;
    this.classes = [];
    this.style = {};
  }
  hasClass(className) {
    return this.classes.includes(className);
  }
  /** Convert the fragment into a node. */
  toNode() {
    const frag = document.createDocumentFragment();
    for (let i = 0; i < this.children.length; i++) {
      frag.appendChild(this.children[i].toNode());
    }
    return frag;
  }
  /** Convert the fragment into HTML markup. */
  toMarkup() {
    let markup = "";
    for (let i = 0; i < this.children.length; i++) {
      markup += this.children[i].toMarkup();
    }
    return markup;
  }
  /**
   * Converts the math node into a string, similar to innerText. Applies to
   * MathDomNode's only.
   */
  toText() {
    const toText = (child) => child.toText();
    return this.children.map(toText).join("");
  }
};
var createClass = function(classes) {
  return classes.filter((cls) => cls).join(" ");
};
var initNode = function(classes, style) {
  this.classes = classes || [];
  this.attributes = {};
  this.style = style || {};
};
var toNode = function(tagName) {
  const node = document.createElement(tagName);
  node.className = createClass(this.classes);
  for (const style in this.style) {
    if (Object.prototype.hasOwnProperty.call(this.style, style)) {
      node.style[style] = this.style[style];
    }
  }
  for (const attr in this.attributes) {
    if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
      node.setAttribute(attr, this.attributes[attr]);
    }
  }
  for (let i = 0; i < this.children.length; i++) {
    node.appendChild(this.children[i].toNode());
  }
  return node;
};
var toMarkup = function(tagName) {
  let markup = `<${tagName}`;
  if (this.classes.length) {
    markup += ` class="${utils.escape(createClass(this.classes))}"`;
  }
  let styles = "";
  for (const style in this.style) {
    if (Object.prototype.hasOwnProperty.call(this.style, style)) {
      styles += `${utils.hyphenate(style)}:${this.style[style]};`;
    }
  }
  if (styles) {
    markup += ` style="${styles}"`;
  }
  for (const attr in this.attributes) {
    if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
      markup += ` ${attr}="${utils.escape(this.attributes[attr])}"`;
    }
  }
  markup += ">";
  for (let i = 0; i < this.children.length; i++) {
    markup += this.children[i].toMarkup();
  }
  markup += `</${tagName}>`;
  return markup;
};
var Span = class {
  constructor(classes, children, style) {
    initNode.call(this, classes, style);
    this.children = children || [];
  }
  setAttribute(attribute, value) {
    this.attributes[attribute] = value;
  }
  toNode() {
    return toNode.call(this, "span");
  }
  toMarkup() {
    return toMarkup.call(this, "span");
  }
};
var TextNode$1 = class TextNode {
  constructor(text2) {
    this.text = text2;
  }
  toNode() {
    return document.createTextNode(this.text);
  }
  toMarkup() {
    return utils.escape(this.text);
  }
};
var AnchorNode = class {
  constructor(href, classes, children) {
    this.href = href;
    this.classes = classes;
    this.children = children || [];
  }
  toNode() {
    const node = document.createElement("a");
    node.setAttribute("href", this.href);
    if (this.classes.length > 0) {
      node.className = createClass(this.classes);
    }
    for (let i = 0; i < this.children.length; i++) {
      node.appendChild(this.children[i].toNode());
    }
    return node;
  }
  toMarkup() {
    let markup = `<a href='${utils.escape(this.href)}'`;
    if (this.classes.length > 0) {
      markup += ` class="${utils.escape(createClass(this.classes))}"`;
    }
    markup += ">";
    for (let i = 0; i < this.children.length; i++) {
      markup += this.children[i].toMarkup();
    }
    markup += "</a>";
    return markup;
  }
};
var Img = class {
  constructor(src, alt, style) {
    this.alt = alt;
    this.src = src;
    this.classes = ["mord"];
    this.style = style;
  }
  hasClass(className) {
    return this.classes.includes(className);
  }
  toNode() {
    const node = document.createElement("img");
    node.src = this.src;
    node.alt = this.alt;
    node.className = "mord";
    for (const style in this.style) {
      if (Object.prototype.hasOwnProperty.call(this.style, style)) {
        node.style[style] = this.style[style];
      }
    }
    return node;
  }
  toMarkup() {
    let markup = `<img src='${this.src}' alt='${this.alt}'`;
    let styles = "";
    for (const style in this.style) {
      if (Object.prototype.hasOwnProperty.call(this.style, style)) {
        styles += `${utils.hyphenate(style)}:${this.style[style]};`;
      }
    }
    if (styles) {
      markup += ` style="${utils.escape(styles)}"`;
    }
    markup += ">";
    return markup;
  }
};
function newDocumentFragment(children) {
  return new DocumentFragment(children);
}
var MathNode = class {
  constructor(type, children, classes, style) {
    this.type = type;
    this.attributes = {};
    this.children = children || [];
    this.classes = classes || [];
    this.style = style || {};
    this.label = "";
  }
  /**
   * Sets an attribute on a MathML node. MathML depends on attributes to convey a
   * semantic content, so this is used heavily.
   */
  setAttribute(name, value) {
    this.attributes[name] = value;
  }
  /**
   * Gets an attribute on a MathML node.
   */
  getAttribute(name) {
    return this.attributes[name];
  }
  setLabel(value) {
    this.label = value;
  }
  /**
   * Converts the math node into a MathML-namespaced DOM element.
   */
  toNode() {
    const node = document.createElementNS("http://www.w3.org/1998/Math/MathML", this.type);
    for (const attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        node.setAttribute(attr, this.attributes[attr]);
      }
    }
    if (this.classes.length > 0) {
      node.className = createClass(this.classes);
    }
    for (const style in this.style) {
      if (Object.prototype.hasOwnProperty.call(this.style, style)) {
        node.style[style] = this.style[style];
      }
    }
    for (let i = 0; i < this.children.length; i++) {
      node.appendChild(this.children[i].toNode());
    }
    return node;
  }
  /**
   * Converts the math node into an HTML markup string.
   */
  toMarkup() {
    let markup = "<" + this.type;
    for (const attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        markup += " " + attr + '="';
        markup += utils.escape(this.attributes[attr]);
        markup += '"';
      }
    }
    if (this.classes.length > 0) {
      markup += ` class="${utils.escape(createClass(this.classes))}"`;
    }
    let styles = "";
    for (const style in this.style) {
      if (Object.prototype.hasOwnProperty.call(this.style, style)) {
        styles += `${utils.hyphenate(style)}:${this.style[style]};`;
      }
    }
    if (styles) {
      markup += ` style="${styles}"`;
    }
    markup += ">";
    for (let i = 0; i < this.children.length; i++) {
      markup += this.children[i].toMarkup();
    }
    markup += "</" + this.type + ">";
    return markup;
  }
  /**
   * Converts the math node into a string, similar to innerText, but escaped.
   */
  toText() {
    return this.children.map((child) => child.toText()).join("");
  }
};
var TextNode2 = class {
  constructor(text2) {
    this.text = text2;
  }
  /**
   * Converts the text node into a DOM text node.
   */
  toNode() {
    return document.createTextNode(this.text);
  }
  /**
   * Converts the text node into escaped HTML markup
   * (representing the text itself).
   */
  toMarkup() {
    return utils.escape(this.toText());
  }
  /**
   * Converts the text node into a string
   * (representing the text itself).
   */
  toText() {
    return this.text;
  }
};
var wrapWithMstyle = (expression) => {
  let node;
  if (expression.length === 1 && expression[0].type === "mrow") {
    node = expression.pop();
    node.type = "mstyle";
  } else {
    node = new MathNode("mstyle", expression);
  }
  return node;
};
var mathMLTree = {
  MathNode,
  TextNode: TextNode2,
  newDocumentFragment
};
var estimatedWidth = (node) => {
  let width = 0;
  if (node.body) {
    for (const item of node.body) {
      width += estimatedWidth(item);
    }
  } else if (node.type === "supsub") {
    width += estimatedWidth(node.base);
    if (node.sub) {
      width += 0.7 * estimatedWidth(node.sub);
    }
    if (node.sup) {
      width += 0.7 * estimatedWidth(node.sup);
    }
  } else if (node.type === "mathord" || node.type === "textord") {
    for (const ch of node.text.split("")) {
      const codePoint = ch.codePointAt(0);
      if (96 < codePoint && codePoint < 123 || 944 < codePoint && codePoint < 970) {
        width += 0.56;
      } else if (47 < codePoint && codePoint < 58) {
        width += 0.5;
      } else {
        width += 0.92;
      }
    }
  } else {
    width += 1;
  }
  return width;
};
var stretchyCodePoint = {
  widehat: "^",
  widecheck: "\u02C7",
  widetilde: "~",
  wideparen: "\u23DC",
  // \u23dc
  utilde: "~",
  overleftarrow: "\u2190",
  underleftarrow: "\u2190",
  xleftarrow: "\u2190",
  overrightarrow: "\u2192",
  underrightarrow: "\u2192",
  xrightarrow: "\u2192",
  underbrace: "\u23DF",
  overbrace: "\u23DE",
  overgroup: "\u23E0",
  overparen: "\u23DC",
  undergroup: "\u23E1",
  underparen: "\u23DD",
  overleftrightarrow: "\u2194",
  underleftrightarrow: "\u2194",
  xleftrightarrow: "\u2194",
  Overrightarrow: "\u21D2",
  xRightarrow: "\u21D2",
  overleftharpoon: "\u21BC",
  xleftharpoonup: "\u21BC",
  overrightharpoon: "\u21C0",
  xrightharpoonup: "\u21C0",
  xLeftarrow: "\u21D0",
  xLeftrightarrow: "\u21D4",
  xhookleftarrow: "\u21A9",
  xhookrightarrow: "\u21AA",
  xmapsto: "\u21A6",
  xrightharpoondown: "\u21C1",
  xleftharpoondown: "\u21BD",
  xtwoheadleftarrow: "\u219E",
  xtwoheadrightarrow: "\u21A0",
  xlongequal: "=",
  xrightleftarrows: "\u21C4",
  yields: "\u2192",
  yieldsLeft: "\u2190",
  mesomerism: "\u2194",
  longrightharpoonup: "\u21C0",
  longleftharpoondown: "\u21BD",
  eqrightharpoonup: "\u21C0",
  eqleftharpoondown: "\u21BD",
  "\\cdrightarrow": "\u2192",
  "\\cdleftarrow": "\u2190",
  "\\cdlongequal": "="
};
var mathMLnode = function(label) {
  const child = new mathMLTree.TextNode(stretchyCodePoint[label.slice(1)]);
  const node = new mathMLTree.MathNode("mo", [child]);
  node.setAttribute("stretchy", "true");
  return node;
};
var crookedWides = ["\\widetilde", "\\widehat", "\\widecheck", "\\utilde"];
var accentNode = (group) => {
  const mo = mathMLnode(group.label);
  if (crookedWides.includes(group.label)) {
    const width = estimatedWidth(group.base);
    if (1 < width && width < 1.6) {
      mo.classes.push("tml-crooked-2");
    } else if (1.6 <= width && width < 2.5) {
      mo.classes.push("tml-crooked-3");
    } else if (2.5 <= width) {
      mo.classes.push("tml-crooked-4");
    }
  }
  return mo;
};
var stretchy = {
  mathMLnode,
  accentNode
};
var ATOMS = {
  bin: 1,
  close: 1,
  inner: 1,
  open: 1,
  punct: 1,
  rel: 1
};
var NON_ATOMS = {
  "accent-token": 1,
  mathord: 1,
  "op-token": 1,
  spacing: 1,
  textord: 1
};
var symbols = {
  math: {},
  text: {}
};
function defineSymbol(mode, group, replace, name, acceptUnicodeChar) {
  symbols[mode][name] = { group, replace };
  if (acceptUnicodeChar && replace) {
    symbols[mode][replace] = symbols[mode][name];
  }
}
var math = "math";
var text = "text";
var accent = "accent-token";
var bin = "bin";
var close = "close";
var inner = "inner";
var mathord = "mathord";
var op = "op-token";
var open = "open";
var punct = "punct";
var rel = "rel";
var spacing = "spacing";
var textord = "textord";
defineSymbol(math, rel, "\u2261", "\\equiv", true);
defineSymbol(math, rel, "\u227A", "\\prec", true);
defineSymbol(math, rel, "\u227B", "\\succ", true);
defineSymbol(math, rel, "\u223C", "\\sim", true);
defineSymbol(math, rel, "\u27C2", "\\perp", true);
defineSymbol(math, rel, "\u2AAF", "\\preceq", true);
defineSymbol(math, rel, "\u2AB0", "\\succeq", true);
defineSymbol(math, rel, "\u2243", "\\simeq", true);
defineSymbol(math, rel, "\u224C", "\\backcong", true);
defineSymbol(math, rel, "|", "\\mid", true);
defineSymbol(math, rel, "\u226A", "\\ll", true);
defineSymbol(math, rel, "\u226B", "\\gg", true);
defineSymbol(math, rel, "\u224D", "\\asymp", true);
defineSymbol(math, rel, "\u2225", "\\parallel");
defineSymbol(math, rel, "\u2323", "\\smile", true);
defineSymbol(math, rel, "\u2291", "\\sqsubseteq", true);
defineSymbol(math, rel, "\u2292", "\\sqsupseteq", true);
defineSymbol(math, rel, "\u2250", "\\doteq", true);
defineSymbol(math, rel, "\u2322", "\\frown", true);
defineSymbol(math, rel, "\u220B", "\\ni", true);
defineSymbol(math, rel, "\u220C", "\\notni", true);
defineSymbol(math, rel, "\u221D", "\\propto", true);
defineSymbol(math, rel, "\u22A2", "\\vdash", true);
defineSymbol(math, rel, "\u22A3", "\\dashv", true);
defineSymbol(math, rel, "\u220B", "\\owns");
defineSymbol(math, rel, "\u2258", "\\arceq", true);
defineSymbol(math, rel, "\u2259", "\\wedgeq", true);
defineSymbol(math, rel, "\u225A", "\\veeeq", true);
defineSymbol(math, rel, "\u225B", "\\stareq", true);
defineSymbol(math, rel, "\u225D", "\\eqdef", true);
defineSymbol(math, rel, "\u225E", "\\measeq", true);
defineSymbol(math, rel, "\u225F", "\\questeq", true);
defineSymbol(math, rel, "\u2260", "\\ne", true);
defineSymbol(math, rel, "\u2260", "\\neq");
defineSymbol(math, rel, "\u2A75", "\\eqeq", true);
defineSymbol(math, rel, "\u2A76", "\\eqeqeq", true);
defineSymbol(math, rel, "\u2237", "\\dblcolon", true);
defineSymbol(math, rel, "\u2254", "\\coloneqq", true);
defineSymbol(math, rel, "\u2255", "\\eqqcolon", true);
defineSymbol(math, rel, "\u2239", "\\eqcolon", true);
defineSymbol(math, rel, "\u2A74", "\\Coloneqq", true);
defineSymbol(math, punct, ".", "\\ldotp");
defineSymbol(math, punct, "\xB7", "\\cdotp");
defineSymbol(math, textord, "#", "\\#");
defineSymbol(text, textord, "#", "\\#");
defineSymbol(math, textord, "&", "\\&");
defineSymbol(text, textord, "&", "\\&");
defineSymbol(math, textord, "\u2135", "\\aleph", true);
defineSymbol(math, textord, "\u2200", "\\forall", true);
defineSymbol(math, textord, "\u210F", "\\hbar", true);
defineSymbol(math, textord, "\u2203", "\\exists", true);
defineSymbol(math, bin, "\u2207", "\\nabla", true);
defineSymbol(math, textord, "\u266D", "\\flat", true);
defineSymbol(math, textord, "\u2113", "\\ell", true);
defineSymbol(math, textord, "\u266E", "\\natural", true);
defineSymbol(math, textord, "\u212B", "\\Angstrom", true);
defineSymbol(text, textord, "\u212B", "\\Angstrom", true);
defineSymbol(math, textord, "\u2663", "\\clubsuit", true);
defineSymbol(math, textord, "\u2667", "\\varclubsuit", true);
defineSymbol(math, textord, "\u2118", "\\wp", true);
defineSymbol(math, textord, "\u266F", "\\sharp", true);
defineSymbol(math, textord, "\u2662", "\\diamondsuit", true);
defineSymbol(math, textord, "\u2666", "\\vardiamondsuit", true);
defineSymbol(math, textord, "\u211C", "\\Re", true);
defineSymbol(math, textord, "\u2661", "\\heartsuit", true);
defineSymbol(math, textord, "\u2665", "\\varheartsuit", true);
defineSymbol(math, textord, "\u2111", "\\Im", true);
defineSymbol(math, textord, "\u2660", "\\spadesuit", true);
defineSymbol(math, textord, "\u2664", "\\varspadesuit", true);
defineSymbol(math, textord, "\u2640", "\\female", true);
defineSymbol(math, textord, "\u2642", "\\male", true);
defineSymbol(math, textord, "\xA7", "\\S", true);
defineSymbol(text, textord, "\xA7", "\\S");
defineSymbol(math, textord, "\xB6", "\\P", true);
defineSymbol(text, textord, "\xB6", "\\P");
defineSymbol(text, textord, "\u263A", "\\smiley", true);
defineSymbol(math, textord, "\u263A", "\\smiley", true);
defineSymbol(math, textord, "\u2020", "\\dag");
defineSymbol(text, textord, "\u2020", "\\dag");
defineSymbol(text, textord, "\u2020", "\\textdagger");
defineSymbol(math, textord, "\u2021", "\\ddag");
defineSymbol(text, textord, "\u2021", "\\ddag");
defineSymbol(text, textord, "\u2021", "\\textdaggerdbl");
defineSymbol(math, close, "\u23B1", "\\rmoustache", true);
defineSymbol(math, open, "\u23B0", "\\lmoustache", true);
defineSymbol(math, close, "\u27EF", "\\rgroup", true);
defineSymbol(math, open, "\u27EE", "\\lgroup", true);
defineSymbol(math, bin, "\u2213", "\\mp", true);
defineSymbol(math, bin, "\u2296", "\\ominus", true);
defineSymbol(math, bin, "\u228E", "\\uplus", true);
defineSymbol(math, bin, "\u2293", "\\sqcap", true);
defineSymbol(math, bin, "\u2217", "\\ast");
defineSymbol(math, bin, "\u2294", "\\sqcup", true);
defineSymbol(math, bin, "\u25EF", "\\bigcirc", true);
defineSymbol(math, bin, "\u2219", "\\bullet", true);
defineSymbol(math, bin, "\u2021", "\\ddagger");
defineSymbol(math, bin, "\u2240", "\\wr", true);
defineSymbol(math, bin, "\u2A3F", "\\amalg");
defineSymbol(math, bin, "&", "\\And");
defineSymbol(math, bin, "\u2AFD", "\\sslash", true);
defineSymbol(math, rel, "\u27F5", "\\longleftarrow", true);
defineSymbol(math, rel, "\u21D0", "\\Leftarrow", true);
defineSymbol(math, rel, "\u27F8", "\\Longleftarrow", true);
defineSymbol(math, rel, "\u27F6", "\\longrightarrow", true);
defineSymbol(math, rel, "\u21D2", "\\Rightarrow", true);
defineSymbol(math, rel, "\u27F9", "\\Longrightarrow", true);
defineSymbol(math, rel, "\u2194", "\\leftrightarrow", true);
defineSymbol(math, rel, "\u27F7", "\\longleftrightarrow", true);
defineSymbol(math, rel, "\u21D4", "\\Leftrightarrow", true);
defineSymbol(math, rel, "\u27FA", "\\Longleftrightarrow", true);
defineSymbol(math, rel, "\u21A4", "\\mapsfrom", true);
defineSymbol(math, rel, "\u21A6", "\\mapsto", true);
defineSymbol(math, rel, "\u27FC", "\\longmapsto", true);
defineSymbol(math, rel, "\u2197", "\\nearrow", true);
defineSymbol(math, rel, "\u21A9", "\\hookleftarrow", true);
defineSymbol(math, rel, "\u21AA", "\\hookrightarrow", true);
defineSymbol(math, rel, "\u2198", "\\searrow", true);
defineSymbol(math, rel, "\u21BC", "\\leftharpoonup", true);
defineSymbol(math, rel, "\u21C0", "\\rightharpoonup", true);
defineSymbol(math, rel, "\u2199", "\\swarrow", true);
defineSymbol(math, rel, "\u21BD", "\\leftharpoondown", true);
defineSymbol(math, rel, "\u21C1", "\\rightharpoondown", true);
defineSymbol(math, rel, "\u2196", "\\nwarrow", true);
defineSymbol(math, rel, "\u21CC", "\\rightleftharpoons", true);
defineSymbol(math, mathord, "\u21AF", "\\lightning", true);
defineSymbol(math, mathord, "\u220E", "\\QED", true);
defineSymbol(math, mathord, "\u2030", "\\permil", true);
defineSymbol(text, textord, "\u2030", "\\permil");
defineSymbol(math, mathord, "\u2609", "\\astrosun", true);
defineSymbol(math, mathord, "\u263C", "\\sun", true);
defineSymbol(math, mathord, "\u263E", "\\leftmoon", true);
defineSymbol(math, mathord, "\u263D", "\\rightmoon", true);
defineSymbol(math, mathord, "\u2295", "\\Earth");
defineSymbol(math, rel, "\u226E", "\\nless", true);
defineSymbol(math, rel, "\u2A87", "\\lneq", true);
defineSymbol(math, rel, "\u2268", "\\lneqq", true);
defineSymbol(math, rel, "\u2268\uFE00", "\\lvertneqq");
defineSymbol(math, rel, "\u22E6", "\\lnsim", true);
defineSymbol(math, rel, "\u2A89", "\\lnapprox", true);
defineSymbol(math, rel, "\u2280", "\\nprec", true);
defineSymbol(math, rel, "\u22E0", "\\npreceq", true);
defineSymbol(math, rel, "\u22E8", "\\precnsim", true);
defineSymbol(math, rel, "\u2AB9", "\\precnapprox", true);
defineSymbol(math, rel, "\u2241", "\\nsim", true);
defineSymbol(math, rel, "\u2224", "\\nmid", true);
defineSymbol(math, rel, "\u2224", "\\nshortmid");
defineSymbol(math, rel, "\u22AC", "\\nvdash", true);
defineSymbol(math, rel, "\u22AD", "\\nvDash", true);
defineSymbol(math, rel, "\u22EA", "\\ntriangleleft");
defineSymbol(math, rel, "\u22EC", "\\ntrianglelefteq", true);
defineSymbol(math, rel, "\u2284", "\\nsubset", true);
defineSymbol(math, rel, "\u2285", "\\nsupset", true);
defineSymbol(math, rel, "\u228A", "\\subsetneq", true);
defineSymbol(math, rel, "\u228A\uFE00", "\\varsubsetneq");
defineSymbol(math, rel, "\u2ACB", "\\subsetneqq", true);
defineSymbol(math, rel, "\u2ACB\uFE00", "\\varsubsetneqq");
defineSymbol(math, rel, "\u226F", "\\ngtr", true);
defineSymbol(math, rel, "\u2A88", "\\gneq", true);
defineSymbol(math, rel, "\u2269", "\\gneqq", true);
defineSymbol(math, rel, "\u2269\uFE00", "\\gvertneqq");
defineSymbol(math, rel, "\u22E7", "\\gnsim", true);
defineSymbol(math, rel, "\u2A8A", "\\gnapprox", true);
defineSymbol(math, rel, "\u2281", "\\nsucc", true);
defineSymbol(math, rel, "\u22E1", "\\nsucceq", true);
defineSymbol(math, rel, "\u22E9", "\\succnsim", true);
defineSymbol(math, rel, "\u2ABA", "\\succnapprox", true);
defineSymbol(math, rel, "\u2246", "\\ncong", true);
defineSymbol(math, rel, "\u2226", "\\nparallel", true);
defineSymbol(math, rel, "\u2226", "\\nshortparallel");
defineSymbol(math, rel, "\u22AF", "\\nVDash", true);
defineSymbol(math, rel, "\u22EB", "\\ntriangleright");
defineSymbol(math, rel, "\u22ED", "\\ntrianglerighteq", true);
defineSymbol(math, rel, "\u228B", "\\supsetneq", true);
defineSymbol(math, rel, "\u228B", "\\varsupsetneq");
defineSymbol(math, rel, "\u2ACC", "\\supsetneqq", true);
defineSymbol(math, rel, "\u2ACC\uFE00", "\\varsupsetneqq");
defineSymbol(math, rel, "\u22AE", "\\nVdash", true);
defineSymbol(math, rel, "\u2AB5", "\\precneqq", true);
defineSymbol(math, rel, "\u2AB6", "\\succneqq", true);
defineSymbol(math, bin, "\u22B4", "\\unlhd");
defineSymbol(math, bin, "\u22B5", "\\unrhd");
defineSymbol(math, rel, "\u219A", "\\nleftarrow", true);
defineSymbol(math, rel, "\u219B", "\\nrightarrow", true);
defineSymbol(math, rel, "\u21CD", "\\nLeftarrow", true);
defineSymbol(math, rel, "\u21CF", "\\nRightarrow", true);
defineSymbol(math, rel, "\u21AE", "\\nleftrightarrow", true);
defineSymbol(math, rel, "\u21CE", "\\nLeftrightarrow", true);
defineSymbol(math, rel, "\u25B3", "\\vartriangle");
defineSymbol(math, textord, "\u210F", "\\hslash");
defineSymbol(math, textord, "\u25BD", "\\triangledown");
defineSymbol(math, textord, "\u25CA", "\\lozenge");
defineSymbol(math, textord, "\u24C8", "\\circledS");
defineSymbol(math, textord, "\xAE", "\\circledR", true);
defineSymbol(text, textord, "\xAE", "\\circledR");
defineSymbol(text, textord, "\xAE", "\\textregistered");
defineSymbol(math, textord, "\u2221", "\\measuredangle", true);
defineSymbol(math, textord, "\u2204", "\\nexists");
defineSymbol(math, textord, "\u2127", "\\mho");
defineSymbol(math, textord, "\u2132", "\\Finv", true);
defineSymbol(math, textord, "\u2141", "\\Game", true);
defineSymbol(math, textord, "\u2035", "\\backprime");
defineSymbol(math, textord, "\u2036", "\\backdprime");
defineSymbol(math, textord, "\u2037", "\\backtrprime");
defineSymbol(math, textord, "\u25B2", "\\blacktriangle");
defineSymbol(math, textord, "\u25BC", "\\blacktriangledown");
defineSymbol(math, textord, "\u25A0", "\\blacksquare");
defineSymbol(math, textord, "\u29EB", "\\blacklozenge");
defineSymbol(math, textord, "\u2605", "\\bigstar");
defineSymbol(math, textord, "\u2222", "\\sphericalangle", true);
defineSymbol(math, textord, "\u2201", "\\complement", true);
defineSymbol(math, textord, "\xF0", "\\eth", true);
defineSymbol(text, textord, "\xF0", "\xF0");
defineSymbol(math, textord, "\u2571", "\\diagup");
defineSymbol(math, textord, "\u2572", "\\diagdown");
defineSymbol(math, textord, "\u25A1", "\\square");
defineSymbol(math, textord, "\u25A1", "\\Box");
defineSymbol(math, textord, "\u25CA", "\\Diamond");
defineSymbol(math, textord, "\xA5", "\\yen", true);
defineSymbol(text, textord, "\xA5", "\\yen", true);
defineSymbol(math, textord, "\u2713", "\\checkmark", true);
defineSymbol(text, textord, "\u2713", "\\checkmark");
defineSymbol(math, textord, "\u2717", "\\ballotx", true);
defineSymbol(text, textord, "\u2717", "\\ballotx");
defineSymbol(text, textord, "\u2022", "\\textbullet");
defineSymbol(math, textord, "\u2136", "\\beth", true);
defineSymbol(math, textord, "\u2138", "\\daleth", true);
defineSymbol(math, textord, "\u2137", "\\gimel", true);
defineSymbol(math, textord, "\u03DD", "\\digamma", true);
defineSymbol(math, textord, "\u03F0", "\\varkappa");
defineSymbol(math, open, "\u231C", "\\ulcorner", true);
defineSymbol(math, close, "\u231D", "\\urcorner", true);
defineSymbol(math, open, "\u231E", "\\llcorner", true);
defineSymbol(math, close, "\u231F", "\\lrcorner", true);
defineSymbol(math, rel, "\u2266", "\\leqq", true);
defineSymbol(math, rel, "\u2A7D", "\\leqslant", true);
defineSymbol(math, rel, "\u2A95", "\\eqslantless", true);
defineSymbol(math, rel, "\u2272", "\\lesssim", true);
defineSymbol(math, rel, "\u2A85", "\\lessapprox", true);
defineSymbol(math, rel, "\u224A", "\\approxeq", true);
defineSymbol(math, bin, "\u22D6", "\\lessdot");
defineSymbol(math, rel, "\u22D8", "\\lll", true);
defineSymbol(math, rel, "\u2276", "\\lessgtr", true);
defineSymbol(math, rel, "\u22DA", "\\lesseqgtr", true);
defineSymbol(math, rel, "\u2A8B", "\\lesseqqgtr", true);
defineSymbol(math, rel, "\u2251", "\\doteqdot");
defineSymbol(math, rel, "\u2253", "\\risingdotseq", true);
defineSymbol(math, rel, "\u2252", "\\fallingdotseq", true);
defineSymbol(math, rel, "\u223D", "\\backsim", true);
defineSymbol(math, rel, "\u22CD", "\\backsimeq", true);
defineSymbol(math, rel, "\u2AC5", "\\subseteqq", true);
defineSymbol(math, rel, "\u22D0", "\\Subset", true);
defineSymbol(math, rel, "\u228F", "\\sqsubset", true);
defineSymbol(math, rel, "\u227C", "\\preccurlyeq", true);
defineSymbol(math, rel, "\u22DE", "\\curlyeqprec", true);
defineSymbol(math, rel, "\u227E", "\\precsim", true);
defineSymbol(math, rel, "\u2AB7", "\\precapprox", true);
defineSymbol(math, rel, "\u22B2", "\\vartriangleleft");
defineSymbol(math, rel, "\u22B4", "\\trianglelefteq");
defineSymbol(math, rel, "\u22A8", "\\vDash", true);
defineSymbol(math, rel, "\u22AB", "\\VDash", true);
defineSymbol(math, rel, "\u22AA", "\\Vvdash", true);
defineSymbol(math, rel, "\u2323", "\\smallsmile");
defineSymbol(math, rel, "\u2322", "\\smallfrown");
defineSymbol(math, rel, "\u224F", "\\bumpeq", true);
defineSymbol(math, rel, "\u224E", "\\Bumpeq", true);
defineSymbol(math, rel, "\u2267", "\\geqq", true);
defineSymbol(math, rel, "\u2A7E", "\\geqslant", true);
defineSymbol(math, rel, "\u2A96", "\\eqslantgtr", true);
defineSymbol(math, rel, "\u2273", "\\gtrsim", true);
defineSymbol(math, rel, "\u2A86", "\\gtrapprox", true);
defineSymbol(math, bin, "\u22D7", "\\gtrdot");
defineSymbol(math, rel, "\u22D9", "\\ggg", true);
defineSymbol(math, rel, "\u2277", "\\gtrless", true);
defineSymbol(math, rel, "\u22DB", "\\gtreqless", true);
defineSymbol(math, rel, "\u2A8C", "\\gtreqqless", true);
defineSymbol(math, rel, "\u2256", "\\eqcirc", true);
defineSymbol(math, rel, "\u2257", "\\circeq", true);
defineSymbol(math, rel, "\u225C", "\\triangleq", true);
defineSymbol(math, rel, "\u223C", "\\thicksim");
defineSymbol(math, rel, "\u2248", "\\thickapprox");
defineSymbol(math, rel, "\u2AC6", "\\supseteqq", true);
defineSymbol(math, rel, "\u22D1", "\\Supset", true);
defineSymbol(math, rel, "\u2290", "\\sqsupset", true);
defineSymbol(math, rel, "\u227D", "\\succcurlyeq", true);
defineSymbol(math, rel, "\u22DF", "\\curlyeqsucc", true);
defineSymbol(math, rel, "\u227F", "\\succsim", true);
defineSymbol(math, rel, "\u2AB8", "\\succapprox", true);
defineSymbol(math, rel, "\u22B3", "\\vartriangleright");
defineSymbol(math, rel, "\u22B5", "\\trianglerighteq");
defineSymbol(math, rel, "\u22A9", "\\Vdash", true);
defineSymbol(math, rel, "\u2223", "\\shortmid");
defineSymbol(math, rel, "\u2225", "\\shortparallel");
defineSymbol(math, rel, "\u226C", "\\between", true);
defineSymbol(math, rel, "\u22D4", "\\pitchfork", true);
defineSymbol(math, rel, "\u221D", "\\varpropto");
defineSymbol(math, rel, "\u25C0", "\\blacktriangleleft");
defineSymbol(math, rel, "\u2234", "\\therefore", true);
defineSymbol(math, rel, "\u220D", "\\backepsilon");
defineSymbol(math, rel, "\u25B6", "\\blacktriangleright");
defineSymbol(math, rel, "\u2235", "\\because", true);
defineSymbol(math, rel, "\u22D8", "\\llless");
defineSymbol(math, rel, "\u22D9", "\\gggtr");
defineSymbol(math, bin, "\u22B2", "\\lhd");
defineSymbol(math, bin, "\u22B3", "\\rhd");
defineSymbol(math, rel, "\u2242", "\\eqsim", true);
defineSymbol(math, rel, "\u2251", "\\Doteq", true);
defineSymbol(math, rel, "\u297D", "\\strictif", true);
defineSymbol(math, rel, "\u297C", "\\strictfi", true);
defineSymbol(math, bin, "\u2214", "\\dotplus", true);
defineSymbol(math, bin, "\u2216", "\\smallsetminus");
defineSymbol(math, bin, "\u22D2", "\\Cap", true);
defineSymbol(math, bin, "\u22D3", "\\Cup", true);
defineSymbol(math, bin, "\u2A5E", "\\doublebarwedge", true);
defineSymbol(math, bin, "\u229F", "\\boxminus", true);
defineSymbol(math, bin, "\u229E", "\\boxplus", true);
defineSymbol(math, bin, "\u29C4", "\\boxslash", true);
defineSymbol(math, bin, "\u22C7", "\\divideontimes", true);
defineSymbol(math, bin, "\u22C9", "\\ltimes", true);
defineSymbol(math, bin, "\u22CA", "\\rtimes", true);
defineSymbol(math, bin, "\u22CB", "\\leftthreetimes", true);
defineSymbol(math, bin, "\u22CC", "\\rightthreetimes", true);
defineSymbol(math, bin, "\u22CF", "\\curlywedge", true);
defineSymbol(math, bin, "\u22CE", "\\curlyvee", true);
defineSymbol(math, bin, "\u229D", "\\circleddash", true);
defineSymbol(math, bin, "\u229B", "\\circledast", true);
defineSymbol(math, bin, "\u22BA", "\\intercal", true);
defineSymbol(math, bin, "\u22D2", "\\doublecap");
defineSymbol(math, bin, "\u22D3", "\\doublecup");
defineSymbol(math, bin, "\u22A0", "\\boxtimes", true);
defineSymbol(math, bin, "\u22C8", "\\bowtie", true);
defineSymbol(math, bin, "\u22C8", "\\Join");
defineSymbol(math, bin, "\u27D5", "\\leftouterjoin", true);
defineSymbol(math, bin, "\u27D6", "\\rightouterjoin", true);
defineSymbol(math, bin, "\u27D7", "\\fullouterjoin", true);
defineSymbol(math, bin, "\u2238", "\\dotminus", true);
defineSymbol(math, bin, "\u27D1", "\\wedgedot", true);
defineSymbol(math, bin, "\u27C7", "\\veedot", true);
defineSymbol(math, bin, "\u2A62", "\\doublebarvee", true);
defineSymbol(math, bin, "\u2A63", "\\veedoublebar", true);
defineSymbol(math, bin, "\u2A5F", "\\wedgebar", true);
defineSymbol(math, bin, "\u2A60", "\\wedgedoublebar", true);
defineSymbol(math, bin, "\u2A54", "\\Vee", true);
defineSymbol(math, bin, "\u2A53", "\\Wedge", true);
defineSymbol(math, bin, "\u2A43", "\\barcap", true);
defineSymbol(math, bin, "\u2A42", "\\barcup", true);
defineSymbol(math, bin, "\u2A48", "\\capbarcup", true);
defineSymbol(math, bin, "\u2A40", "\\capdot", true);
defineSymbol(math, bin, "\u2A47", "\\capovercup", true);
defineSymbol(math, bin, "\u2A46", "\\cupovercap", true);
defineSymbol(math, bin, "\u2A4D", "\\closedvarcap", true);
defineSymbol(math, bin, "\u2A4C", "\\closedvarcup", true);
defineSymbol(math, bin, "\u2A2A", "\\minusdot", true);
defineSymbol(math, bin, "\u2A2B", "\\minusfdots", true);
defineSymbol(math, bin, "\u2A2C", "\\minusrdots", true);
defineSymbol(math, bin, "\u22BB", "\\Xor", true);
defineSymbol(math, bin, "\u22BC", "\\Nand", true);
defineSymbol(math, bin, "\u22BD", "\\Nor", true);
defineSymbol(math, bin, "\u22BD", "\\barvee");
defineSymbol(math, bin, "\u2AF4", "\\interleave", true);
defineSymbol(math, bin, "\u29E2", "\\shuffle", true);
defineSymbol(math, bin, "\u2AF6", "\\threedotcolon", true);
defineSymbol(math, bin, "\u2982", "\\typecolon", true);
defineSymbol(math, bin, "\u223E", "\\invlazys", true);
defineSymbol(math, bin, "\u2A4B", "\\twocaps", true);
defineSymbol(math, bin, "\u2A4A", "\\twocups", true);
defineSymbol(math, bin, "\u2A4E", "\\Sqcap", true);
defineSymbol(math, bin, "\u2A4F", "\\Sqcup", true);
defineSymbol(math, bin, "\u2A56", "\\veeonvee", true);
defineSymbol(math, bin, "\u2A55", "\\wedgeonwedge", true);
defineSymbol(math, bin, "\u29D7", "\\blackhourglass", true);
defineSymbol(math, bin, "\u29C6", "\\boxast", true);
defineSymbol(math, bin, "\u29C8", "\\boxbox", true);
defineSymbol(math, bin, "\u29C7", "\\boxcircle", true);
defineSymbol(math, bin, "\u229C", "\\circledequal", true);
defineSymbol(math, bin, "\u29B7", "\\circledparallel", true);
defineSymbol(math, bin, "\u29B6", "\\circledvert", true);
defineSymbol(math, bin, "\u29B5", "\\circlehbar", true);
defineSymbol(math, bin, "\u27E1", "\\concavediamond", true);
defineSymbol(math, bin, "\u27E2", "\\concavediamondtickleft", true);
defineSymbol(math, bin, "\u27E3", "\\concavediamondtickright", true);
defineSymbol(math, bin, "\u22C4", "\\diamond", true);
defineSymbol(math, bin, "\u29D6", "\\hourglass", true);
defineSymbol(math, bin, "\u27E0", "\\lozengeminus", true);
defineSymbol(math, bin, "\u233D", "\\obar", true);
defineSymbol(math, bin, "\u29B8", "\\obslash", true);
defineSymbol(math, bin, "\u2A38", "\\odiv", true);
defineSymbol(math, bin, "\u29C1", "\\ogreaterthan", true);
defineSymbol(math, bin, "\u29C0", "\\olessthan", true);
defineSymbol(math, bin, "\u29B9", "\\operp", true);
defineSymbol(math, bin, "\u2A37", "\\Otimes", true);
defineSymbol(math, bin, "\u2A36", "\\otimeshat", true);
defineSymbol(math, bin, "\u22C6", "\\star", true);
defineSymbol(math, bin, "\u25B3", "\\triangle", true);
defineSymbol(math, bin, "\u2A3A", "\\triangleminus", true);
defineSymbol(math, bin, "\u2A39", "\\triangleplus", true);
defineSymbol(math, bin, "\u2A3B", "\\triangletimes", true);
defineSymbol(math, bin, "\u27E4", "\\whitesquaretickleft", true);
defineSymbol(math, bin, "\u27E5", "\\whitesquaretickright", true);
defineSymbol(math, bin, "\u2A33", "\\smashtimes", true);
defineSymbol(math, rel, "\u21E2", "\\dashrightarrow", true);
defineSymbol(math, rel, "\u21E0", "\\dashleftarrow", true);
defineSymbol(math, rel, "\u21C7", "\\leftleftarrows", true);
defineSymbol(math, rel, "\u21C6", "\\leftrightarrows", true);
defineSymbol(math, rel, "\u21DA", "\\Lleftarrow", true);
defineSymbol(math, rel, "\u219E", "\\twoheadleftarrow", true);
defineSymbol(math, rel, "\u21A2", "\\leftarrowtail", true);
defineSymbol(math, rel, "\u21AB", "\\looparrowleft", true);
defineSymbol(math, rel, "\u21CB", "\\leftrightharpoons", true);
defineSymbol(math, rel, "\u21B6", "\\curvearrowleft", true);
defineSymbol(math, rel, "\u21BA", "\\circlearrowleft", true);
defineSymbol(math, rel, "\u21B0", "\\Lsh", true);
defineSymbol(math, rel, "\u21C8", "\\upuparrows", true);
defineSymbol(math, rel, "\u21BF", "\\upharpoonleft", true);
defineSymbol(math, rel, "\u21C3", "\\downharpoonleft", true);
defineSymbol(math, rel, "\u22B6", "\\origof", true);
defineSymbol(math, rel, "\u22B7", "\\imageof", true);
defineSymbol(math, rel, "\u22B8", "\\multimap", true);
defineSymbol(math, rel, "\u21AD", "\\leftrightsquigarrow", true);
defineSymbol(math, rel, "\u21C9", "\\rightrightarrows", true);
defineSymbol(math, rel, "\u21C4", "\\rightleftarrows", true);
defineSymbol(math, rel, "\u21A0", "\\twoheadrightarrow", true);
defineSymbol(math, rel, "\u21A3", "\\rightarrowtail", true);
defineSymbol(math, rel, "\u21AC", "\\looparrowright", true);
defineSymbol(math, rel, "\u21B7", "\\curvearrowright", true);
defineSymbol(math, rel, "\u21BB", "\\circlearrowright", true);
defineSymbol(math, rel, "\u21B1", "\\Rsh", true);
defineSymbol(math, rel, "\u21CA", "\\downdownarrows", true);
defineSymbol(math, rel, "\u21BE", "\\upharpoonright", true);
defineSymbol(math, rel, "\u21C2", "\\downharpoonright", true);
defineSymbol(math, rel, "\u21DD", "\\rightsquigarrow", true);
defineSymbol(math, rel, "\u21DD", "\\leadsto");
defineSymbol(math, rel, "\u21DB", "\\Rrightarrow", true);
defineSymbol(math, rel, "\u21BE", "\\restriction");
defineSymbol(math, textord, "\u2018", "`");
defineSymbol(math, textord, "$", "\\$");
defineSymbol(text, textord, "$", "\\$");
defineSymbol(text, textord, "$", "\\textdollar");
defineSymbol(math, textord, "\xA2", "\\cent");
defineSymbol(text, textord, "\xA2", "\\cent");
defineSymbol(math, textord, "%", "\\%");
defineSymbol(text, textord, "%", "\\%");
defineSymbol(math, textord, "_", "\\_");
defineSymbol(text, textord, "_", "\\_");
defineSymbol(text, textord, "_", "\\textunderscore");
defineSymbol(text, textord, "\u2423", "\\textvisiblespace", true);
defineSymbol(math, textord, "\u2220", "\\angle", true);
defineSymbol(math, textord, "\u221E", "\\infty", true);
defineSymbol(math, textord, "\u2032", "\\prime");
defineSymbol(math, textord, "\u2033", "\\dprime");
defineSymbol(math, textord, "\u2034", "\\trprime");
defineSymbol(math, textord, "\u2057", "\\qprime");
defineSymbol(math, textord, "\u25B3", "\\triangle");
defineSymbol(text, textord, "\u0391", "\\Alpha", true);
defineSymbol(text, textord, "\u0392", "\\Beta", true);
defineSymbol(text, textord, "\u0393", "\\Gamma", true);
defineSymbol(text, textord, "\u0394", "\\Delta", true);
defineSymbol(text, textord, "\u0395", "\\Epsilon", true);
defineSymbol(text, textord, "\u0396", "\\Zeta", true);
defineSymbol(text, textord, "\u0397", "\\Eta", true);
defineSymbol(text, textord, "\u0398", "\\Theta", true);
defineSymbol(text, textord, "\u0399", "\\Iota", true);
defineSymbol(text, textord, "\u039A", "\\Kappa", true);
defineSymbol(text, textord, "\u039B", "\\Lambda", true);
defineSymbol(text, textord, "\u039C", "\\Mu", true);
defineSymbol(text, textord, "\u039D", "\\Nu", true);
defineSymbol(text, textord, "\u039E", "\\Xi", true);
defineSymbol(text, textord, "\u039F", "\\Omicron", true);
defineSymbol(text, textord, "\u03A0", "\\Pi", true);
defineSymbol(text, textord, "\u03A1", "\\Rho", true);
defineSymbol(text, textord, "\u03A3", "\\Sigma", true);
defineSymbol(text, textord, "\u03A4", "\\Tau", true);
defineSymbol(text, textord, "\u03A5", "\\Upsilon", true);
defineSymbol(text, textord, "\u03A6", "\\Phi", true);
defineSymbol(text, textord, "\u03A7", "\\Chi", true);
defineSymbol(text, textord, "\u03A8", "\\Psi", true);
defineSymbol(text, textord, "\u03A9", "\\Omega", true);
defineSymbol(math, mathord, "\u0391", "\\Alpha", true);
defineSymbol(math, mathord, "\u0392", "\\Beta", true);
defineSymbol(math, mathord, "\u0393", "\\Gamma", true);
defineSymbol(math, mathord, "\u0394", "\\Delta", true);
defineSymbol(math, mathord, "\u0395", "\\Epsilon", true);
defineSymbol(math, mathord, "\u0396", "\\Zeta", true);
defineSymbol(math, mathord, "\u0397", "\\Eta", true);
defineSymbol(math, mathord, "\u0398", "\\Theta", true);
defineSymbol(math, mathord, "\u0399", "\\Iota", true);
defineSymbol(math, mathord, "\u039A", "\\Kappa", true);
defineSymbol(math, mathord, "\u039B", "\\Lambda", true);
defineSymbol(math, mathord, "\u039C", "\\Mu", true);
defineSymbol(math, mathord, "\u039D", "\\Nu", true);
defineSymbol(math, mathord, "\u039E", "\\Xi", true);
defineSymbol(math, mathord, "\u039F", "\\Omicron", true);
defineSymbol(math, mathord, "\u03A0", "\\Pi", true);
defineSymbol(math, mathord, "\u03A1", "\\Rho", true);
defineSymbol(math, mathord, "\u03A3", "\\Sigma", true);
defineSymbol(math, mathord, "\u03A4", "\\Tau", true);
defineSymbol(math, mathord, "\u03A5", "\\Upsilon", true);
defineSymbol(math, mathord, "\u03A6", "\\Phi", true);
defineSymbol(math, mathord, "\u03A7", "\\Chi", true);
defineSymbol(math, mathord, "\u03A8", "\\Psi", true);
defineSymbol(math, mathord, "\u03A9", "\\Omega", true);
defineSymbol(math, open, "\xAC", "\\neg", true);
defineSymbol(math, open, "\xAC", "\\lnot");
defineSymbol(math, textord, "\u22A4", "\\top");
defineSymbol(math, textord, "\u22A5", "\\bot");
defineSymbol(math, textord, "\u2205", "\\emptyset");
defineSymbol(math, textord, "\u2300", "\\varnothing");
defineSymbol(math, mathord, "\u03B1", "\\alpha", true);
defineSymbol(math, mathord, "\u03B2", "\\beta", true);
defineSymbol(math, mathord, "\u03B3", "\\gamma", true);
defineSymbol(math, mathord, "\u03B4", "\\delta", true);
defineSymbol(math, mathord, "\u03F5", "\\epsilon", true);
defineSymbol(math, mathord, "\u03B6", "\\zeta", true);
defineSymbol(math, mathord, "\u03B7", "\\eta", true);
defineSymbol(math, mathord, "\u03B8", "\\theta", true);
defineSymbol(math, mathord, "\u03B9", "\\iota", true);
defineSymbol(math, mathord, "\u03BA", "\\kappa", true);
defineSymbol(math, mathord, "\u03BB", "\\lambda", true);
defineSymbol(math, mathord, "\u03BC", "\\mu", true);
defineSymbol(math, mathord, "\u03BD", "\\nu", true);
defineSymbol(math, mathord, "\u03BE", "\\xi", true);
defineSymbol(math, mathord, "\u03BF", "\\omicron", true);
defineSymbol(math, mathord, "\u03C0", "\\pi", true);
defineSymbol(math, mathord, "\u03C1", "\\rho", true);
defineSymbol(math, mathord, "\u03C3", "\\sigma", true);
defineSymbol(math, mathord, "\u03C4", "\\tau", true);
defineSymbol(math, mathord, "\u03C5", "\\upsilon", true);
defineSymbol(math, mathord, "\u03D5", "\\phi", true);
defineSymbol(math, mathord, "\u03C7", "\\chi", true);
defineSymbol(math, mathord, "\u03C8", "\\psi", true);
defineSymbol(math, mathord, "\u03C9", "\\omega", true);
defineSymbol(math, mathord, "\u03B5", "\\varepsilon", true);
defineSymbol(math, mathord, "\u03D1", "\\vartheta", true);
defineSymbol(math, mathord, "\u03D6", "\\varpi", true);
defineSymbol(math, mathord, "\u03F1", "\\varrho", true);
defineSymbol(math, mathord, "\u03C2", "\\varsigma", true);
defineSymbol(math, mathord, "\u03C6", "\\varphi", true);
defineSymbol(math, mathord, "\u03D8", "\\Coppa", true);
defineSymbol(math, mathord, "\u03D9", "\\coppa", true);
defineSymbol(math, mathord, "\u03D9", "\\varcoppa", true);
defineSymbol(math, mathord, "\u03DE", "\\Koppa", true);
defineSymbol(math, mathord, "\u03DF", "\\koppa", true);
defineSymbol(math, mathord, "\u03E0", "\\Sampi", true);
defineSymbol(math, mathord, "\u03E1", "\\sampi", true);
defineSymbol(math, mathord, "\u03DA", "\\Stigma", true);
defineSymbol(math, mathord, "\u03DB", "\\stigma", true);
defineSymbol(math, mathord, "\u2AEB", "\\Bot");
defineSymbol(math, bin, "\u2217", "\u2217", true);
defineSymbol(math, bin, "+", "+");
defineSymbol(math, bin, "\u2217", "*");
defineSymbol(math, bin, "\u2044", "/", true);
defineSymbol(math, bin, "\u2044", "\u2044");
defineSymbol(math, bin, "\u2212", "-", true);
defineSymbol(math, bin, "\u22C5", "\\cdot", true);
defineSymbol(math, bin, "\u2218", "\\circ", true);
defineSymbol(math, bin, "\xF7", "\\div", true);
defineSymbol(math, bin, "\xB1", "\\pm", true);
defineSymbol(math, bin, "\xD7", "\\times", true);
defineSymbol(math, bin, "\u2229", "\\cap", true);
defineSymbol(math, bin, "\u222A", "\\cup", true);
defineSymbol(math, bin, "\u2216", "\\setminus", true);
defineSymbol(math, bin, "\u2227", "\\land");
defineSymbol(math, bin, "\u2228", "\\lor");
defineSymbol(math, bin, "\u2227", "\\wedge", true);
defineSymbol(math, bin, "\u2228", "\\vee", true);
defineSymbol(math, open, "\u27E6", "\\llbracket", true);
defineSymbol(math, close, "\u27E7", "\\rrbracket", true);
defineSymbol(math, open, "\u27E8", "\\langle", true);
defineSymbol(math, open, "\u27EA", "\\lAngle", true);
defineSymbol(math, open, "\u2989", "\\llangle", true);
defineSymbol(math, open, "|", "\\lvert");
defineSymbol(math, open, "\u2016", "\\lVert", true);
defineSymbol(math, textord, "!", "\\oc");
defineSymbol(math, textord, "?", "\\wn");
defineSymbol(math, textord, "\u2193", "\\shpos");
defineSymbol(math, textord, "\u2195", "\\shift");
defineSymbol(math, textord, "\u2191", "\\shneg");
defineSymbol(math, close, "?", "?");
defineSymbol(math, close, "!", "!");
defineSymbol(math, close, "\u203C", "\u203C");
defineSymbol(math, close, "\u27E9", "\\rangle", true);
defineSymbol(math, close, "\u27EB", "\\rAngle", true);
defineSymbol(math, close, "\u298A", "\\rrangle", true);
defineSymbol(math, close, "|", "\\rvert");
defineSymbol(math, close, "\u2016", "\\rVert");
defineSymbol(math, open, "\u2983", "\\lBrace", true);
defineSymbol(math, close, "\u2984", "\\rBrace", true);
defineSymbol(math, rel, "=", "\\equal", true);
defineSymbol(math, rel, ":", ":");
defineSymbol(math, rel, "\u2248", "\\approx", true);
defineSymbol(math, rel, "\u2245", "\\cong", true);
defineSymbol(math, rel, "\u2265", "\\ge");
defineSymbol(math, rel, "\u2265", "\\geq", true);
defineSymbol(math, rel, "\u2190", "\\gets");
defineSymbol(math, rel, ">", "\\gt", true);
defineSymbol(math, rel, "\u2208", "\\in", true);
defineSymbol(math, rel, "\u2209", "\\notin", true);
defineSymbol(math, rel, "\uE020", "\\@not");
defineSymbol(math, rel, "\u2282", "\\subset", true);
defineSymbol(math, rel, "\u2283", "\\supset", true);
defineSymbol(math, rel, "\u2286", "\\subseteq", true);
defineSymbol(math, rel, "\u2287", "\\supseteq", true);
defineSymbol(math, rel, "\u2288", "\\nsubseteq", true);
defineSymbol(math, rel, "\u2288", "\\nsubseteqq");
defineSymbol(math, rel, "\u2289", "\\nsupseteq", true);
defineSymbol(math, rel, "\u2289", "\\nsupseteqq");
defineSymbol(math, rel, "\u22A8", "\\models");
defineSymbol(math, rel, "\u2190", "\\leftarrow", true);
defineSymbol(math, rel, "\u2264", "\\le");
defineSymbol(math, rel, "\u2264", "\\leq", true);
defineSymbol(math, rel, "<", "\\lt", true);
defineSymbol(math, rel, "\u2192", "\\rightarrow", true);
defineSymbol(math, rel, "\u2192", "\\to");
defineSymbol(math, rel, "\u2271", "\\ngeq", true);
defineSymbol(math, rel, "\u2271", "\\ngeqq");
defineSymbol(math, rel, "\u2271", "\\ngeqslant");
defineSymbol(math, rel, "\u2270", "\\nleq", true);
defineSymbol(math, rel, "\u2270", "\\nleqq");
defineSymbol(math, rel, "\u2270", "\\nleqslant");
defineSymbol(math, rel, "\u2AEB", "\\Perp", true);
defineSymbol(math, spacing, "\xA0", "\\ ");
defineSymbol(math, spacing, "\xA0", "\\space");
defineSymbol(math, spacing, "\xA0", "\\nobreakspace");
defineSymbol(text, spacing, "\xA0", "\\ ");
defineSymbol(text, spacing, "\xA0", " ");
defineSymbol(text, spacing, "\xA0", "\\space");
defineSymbol(text, spacing, "\xA0", "\\nobreakspace");
defineSymbol(math, spacing, null, "\\nobreak");
defineSymbol(math, spacing, null, "\\allowbreak");
defineSymbol(math, punct, ",", ",");
defineSymbol(text, punct, ":", ":");
defineSymbol(math, punct, ";", ";");
defineSymbol(math, bin, "\u22BC", "\\barwedge");
defineSymbol(math, bin, "\u22BB", "\\veebar");
defineSymbol(math, bin, "\u2299", "\\odot", true);
defineSymbol(math, bin, "\u2295\uFE0E", "\\oplus");
defineSymbol(math, bin, "\u2297", "\\otimes", true);
defineSymbol(math, textord, "\u2202", "\\partial", true);
defineSymbol(math, bin, "\u2298", "\\oslash", true);
defineSymbol(math, bin, "\u229A", "\\circledcirc", true);
defineSymbol(math, bin, "\u22A1", "\\boxdot", true);
defineSymbol(math, bin, "\u25B3", "\\bigtriangleup");
defineSymbol(math, bin, "\u25BD", "\\bigtriangledown");
defineSymbol(math, bin, "\u2020", "\\dagger");
defineSymbol(math, bin, "\u22C4", "\\diamond");
defineSymbol(math, bin, "\u25C3", "\\triangleleft");
defineSymbol(math, bin, "\u25B9", "\\triangleright");
defineSymbol(math, open, "{", "\\{");
defineSymbol(text, textord, "{", "\\{");
defineSymbol(text, textord, "{", "\\textbraceleft");
defineSymbol(math, close, "}", "\\}");
defineSymbol(text, textord, "}", "\\}");
defineSymbol(text, textord, "}", "\\textbraceright");
defineSymbol(math, open, "{", "\\lbrace");
defineSymbol(math, close, "}", "\\rbrace");
defineSymbol(math, open, "[", "\\lbrack", true);
defineSymbol(text, textord, "[", "\\lbrack", true);
defineSymbol(math, close, "]", "\\rbrack", true);
defineSymbol(text, textord, "]", "\\rbrack", true);
defineSymbol(math, open, "(", "\\lparen", true);
defineSymbol(math, close, ")", "\\rparen", true);
defineSymbol(math, open, "\u2987", "\\llparenthesis", true);
defineSymbol(math, close, "\u2988", "\\rrparenthesis", true);
defineSymbol(text, textord, "<", "\\textless", true);
defineSymbol(text, textord, ">", "\\textgreater", true);
defineSymbol(math, open, "\u230A", "\\lfloor", true);
defineSymbol(math, close, "\u230B", "\\rfloor", true);
defineSymbol(math, open, "\u2308", "\\lceil", true);
defineSymbol(math, close, "\u2309", "\\rceil", true);
defineSymbol(math, textord, "\\", "\\backslash");
defineSymbol(math, textord, "|", "|");
defineSymbol(math, textord, "|", "\\vert");
defineSymbol(text, textord, "|", "\\textbar", true);
defineSymbol(math, textord, "\u2016", "\\|");
defineSymbol(math, textord, "\u2016", "\\Vert");
defineSymbol(text, textord, "\u2016", "\\textbardbl");
defineSymbol(text, textord, "~", "\\textasciitilde");
defineSymbol(text, textord, "\\", "\\textbackslash");
defineSymbol(text, textord, "^", "\\textasciicircum");
defineSymbol(math, rel, "\u2191", "\\uparrow", true);
defineSymbol(math, rel, "\u21D1", "\\Uparrow", true);
defineSymbol(math, rel, "\u2193", "\\downarrow", true);
defineSymbol(math, rel, "\u21D3", "\\Downarrow", true);
defineSymbol(math, rel, "\u2195", "\\updownarrow", true);
defineSymbol(math, rel, "\u21D5", "\\Updownarrow", true);
defineSymbol(math, op, "\u2210", "\\coprod");
defineSymbol(math, op, "\u22C1", "\\bigvee");
defineSymbol(math, op, "\u22C0", "\\bigwedge");
defineSymbol(math, op, "\u2A04", "\\biguplus");
defineSymbol(math, op, "\u2A04", "\\bigcupplus");
defineSymbol(math, op, "\u2A03", "\\bigcupdot");
defineSymbol(math, op, "\u2A07", "\\bigdoublevee");
defineSymbol(math, op, "\u2A08", "\\bigdoublewedge");
defineSymbol(math, op, "\u22C2", "\\bigcap");
defineSymbol(math, op, "\u22C3", "\\bigcup");
defineSymbol(math, op, "\u222B", "\\int");
defineSymbol(math, op, "\u222B", "\\intop");
defineSymbol(math, op, "\u222C", "\\iint");
defineSymbol(math, op, "\u222D", "\\iiint");
defineSymbol(math, op, "\u220F", "\\prod");
defineSymbol(math, op, "\u2211", "\\sum");
defineSymbol(math, op, "\u2A02", "\\bigotimes");
defineSymbol(math, op, "\u2A01", "\\bigoplus");
defineSymbol(math, op, "\u2A00", "\\bigodot");
defineSymbol(math, op, "\u2A09", "\\bigtimes");
defineSymbol(math, op, "\u222E", "\\oint");
defineSymbol(math, op, "\u222F", "\\oiint");
defineSymbol(math, op, "\u2230", "\\oiiint");
defineSymbol(math, op, "\u2231", "\\intclockwise");
defineSymbol(math, op, "\u2232", "\\varointclockwise");
defineSymbol(math, op, "\u2A0C", "\\iiiint");
defineSymbol(math, op, "\u2A0D", "\\intbar");
defineSymbol(math, op, "\u2A0E", "\\intBar");
defineSymbol(math, op, "\u2A0F", "\\fint");
defineSymbol(math, op, "\u2A12", "\\rppolint");
defineSymbol(math, op, "\u2A13", "\\scpolint");
defineSymbol(math, op, "\u2A15", "\\pointint");
defineSymbol(math, op, "\u2A16", "\\sqint");
defineSymbol(math, op, "\u2A17", "\\intlarhk");
defineSymbol(math, op, "\u2A18", "\\intx");
defineSymbol(math, op, "\u2A19", "\\intcap");
defineSymbol(math, op, "\u2A1A", "\\intcup");
defineSymbol(math, op, "\u2A05", "\\bigsqcap");
defineSymbol(math, op, "\u2A06", "\\bigsqcup");
defineSymbol(math, op, "\u222B", "\\smallint");
defineSymbol(text, inner, "\u2026", "\\textellipsis");
defineSymbol(math, inner, "\u2026", "\\mathellipsis");
defineSymbol(text, inner, "\u2026", "\\ldots", true);
defineSymbol(math, inner, "\u2026", "\\ldots", true);
defineSymbol(math, inner, "\u22F0", "\\iddots", true);
defineSymbol(math, inner, "\u22EF", "\\@cdots", true);
defineSymbol(math, inner, "\u22F1", "\\ddots", true);
defineSymbol(math, textord, "\u22EE", "\\varvdots");
defineSymbol(text, textord, "\u22EE", "\\varvdots");
defineSymbol(math, accent, "\u02CA", "\\acute");
defineSymbol(math, accent, "`", "\\grave");
defineSymbol(math, accent, "\xA8", "\\ddot");
defineSymbol(math, accent, "\u2026", "\\dddot");
defineSymbol(math, accent, "\u2026.", "\\ddddot");
defineSymbol(math, accent, "~", "\\tilde");
defineSymbol(math, accent, "\u203E", "\\bar");
defineSymbol(math, accent, "\u02D8", "\\breve");
defineSymbol(math, accent, "\u02C7", "\\check");
defineSymbol(math, accent, "^", "\\hat");
defineSymbol(math, accent, "\u2192", "\\vec");
defineSymbol(math, accent, "\u02D9", "\\dot");
defineSymbol(math, accent, "\u02DA", "\\mathring");
defineSymbol(math, mathord, "\u0131", "\\imath", true);
defineSymbol(math, mathord, "\u0237", "\\jmath", true);
defineSymbol(math, textord, "\u0131", "\u0131");
defineSymbol(math, textord, "\u0237", "\u0237");
defineSymbol(text, textord, "\u0131", "\\i", true);
defineSymbol(text, textord, "\u0237", "\\j", true);
defineSymbol(text, textord, "\xDF", "\\ss", true);
defineSymbol(text, textord, "\xE6", "\\ae", true);
defineSymbol(text, textord, "\u0153", "\\oe", true);
defineSymbol(text, textord, "\xF8", "\\o", true);
defineSymbol(math, mathord, "\xF8", "\\o", true);
defineSymbol(text, textord, "\xC6", "\\AE", true);
defineSymbol(text, textord, "\u0152", "\\OE", true);
defineSymbol(text, textord, "\xD8", "\\O", true);
defineSymbol(math, mathord, "\xD8", "\\O", true);
defineSymbol(text, accent, "\u02CA", "\\'");
defineSymbol(text, accent, "\u02CB", "\\`");
defineSymbol(text, accent, "\u02C6", "\\^");
defineSymbol(text, accent, "\u02DC", "\\~");
defineSymbol(text, accent, "\u02C9", "\\=");
defineSymbol(text, accent, "\u02D8", "\\u");
defineSymbol(text, accent, "\u02D9", "\\.");
defineSymbol(text, accent, "\xB8", "\\c");
defineSymbol(text, accent, "\u02DA", "\\r");
defineSymbol(text, accent, "\u02C7", "\\v");
defineSymbol(text, accent, "\xA8", '\\"');
defineSymbol(text, accent, "\u02DD", "\\H");
defineSymbol(math, accent, "\u02CA", "\\'");
defineSymbol(math, accent, "\u02CB", "\\`");
defineSymbol(math, accent, "\u02C6", "\\^");
defineSymbol(math, accent, "\u02DC", "\\~");
defineSymbol(math, accent, "\u02C9", "\\=");
defineSymbol(math, accent, "\u02D8", "\\u");
defineSymbol(math, accent, "\u02D9", "\\.");
defineSymbol(math, accent, "\xB8", "\\c");
defineSymbol(math, accent, "\u02DA", "\\r");
defineSymbol(math, accent, "\u02C7", "\\v");
defineSymbol(math, accent, "\xA8", '\\"');
defineSymbol(math, accent, "\u02DD", "\\H");
var ligatures = {
  "--": true,
  "---": true,
  "``": true,
  "''": true
};
defineSymbol(text, textord, "\u2013", "--", true);
defineSymbol(text, textord, "\u2013", "\\textendash");
defineSymbol(text, textord, "\u2014", "---", true);
defineSymbol(text, textord, "\u2014", "\\textemdash");
defineSymbol(text, textord, "\u2018", "`", true);
defineSymbol(text, textord, "\u2018", "\\textquoteleft");
defineSymbol(text, textord, "\u2019", "'", true);
defineSymbol(text, textord, "\u2019", "\\textquoteright");
defineSymbol(text, textord, "\u201C", "``", true);
defineSymbol(text, textord, "\u201C", "\\textquotedblleft");
defineSymbol(text, textord, "\u201D", "''", true);
defineSymbol(text, textord, "\u201D", "\\textquotedblright");
defineSymbol(math, textord, "\xB0", "\\degree", true);
defineSymbol(text, textord, "\xB0", "\\degree");
defineSymbol(text, textord, "\xB0", "\\textdegree", true);
defineSymbol(math, textord, "\xA3", "\\pounds");
defineSymbol(math, textord, "\xA3", "\\mathsterling", true);
defineSymbol(text, textord, "\xA3", "\\pounds");
defineSymbol(text, textord, "\xA3", "\\textsterling", true);
defineSymbol(math, textord, "\u2720", "\\maltese");
defineSymbol(text, textord, "\u2720", "\\maltese");
defineSymbol(math, textord, "\u20AC", "\\euro", true);
defineSymbol(text, textord, "\u20AC", "\\euro", true);
defineSymbol(text, textord, "\u20AC", "\\texteuro");
defineSymbol(math, textord, "\xA9", "\\copyright", true);
defineSymbol(text, textord, "\xA9", "\\textcopyright");
defineSymbol(math, textord, "\u2300", "\\diameter", true);
defineSymbol(text, textord, "\u2300", "\\diameter");
defineSymbol(math, textord, "\u{1D6E4}", "\\varGamma");
defineSymbol(math, textord, "\u{1D6E5}", "\\varDelta");
defineSymbol(math, textord, "\u{1D6E9}", "\\varTheta");
defineSymbol(math, textord, "\u{1D6EC}", "\\varLambda");
defineSymbol(math, textord, "\u{1D6EF}", "\\varXi");
defineSymbol(math, textord, "\u{1D6F1}", "\\varPi");
defineSymbol(math, textord, "\u{1D6F4}", "\\varSigma");
defineSymbol(math, textord, "\u{1D6F6}", "\\varUpsilon");
defineSymbol(math, textord, "\u{1D6F7}", "\\varPhi");
defineSymbol(math, textord, "\u{1D6F9}", "\\varPsi");
defineSymbol(math, textord, "\u{1D6FA}", "\\varOmega");
defineSymbol(text, textord, "\u{1D6E4}", "\\varGamma");
defineSymbol(text, textord, "\u{1D6E5}", "\\varDelta");
defineSymbol(text, textord, "\u{1D6E9}", "\\varTheta");
defineSymbol(text, textord, "\u{1D6EC}", "\\varLambda");
defineSymbol(text, textord, "\u{1D6EF}", "\\varXi");
defineSymbol(text, textord, "\u{1D6F1}", "\\varPi");
defineSymbol(text, textord, "\u{1D6F4}", "\\varSigma");
defineSymbol(text, textord, "\u{1D6F6}", "\\varUpsilon");
defineSymbol(text, textord, "\u{1D6F7}", "\\varPhi");
defineSymbol(text, textord, "\u{1D6F9}", "\\varPsi");
defineSymbol(text, textord, "\u{1D6FA}", "\\varOmega");
var mathTextSymbols = '0123456789/@."';
for (let i = 0; i < mathTextSymbols.length; i++) {
  const ch = mathTextSymbols.charAt(i);
  defineSymbol(math, textord, ch, ch);
}
var textSymbols = '0123456789!@*()-=+";:?/.,';
for (let i = 0; i < textSymbols.length; i++) {
  const ch = textSymbols.charAt(i);
  defineSymbol(text, textord, ch, ch);
}
var letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
for (let i = 0; i < letters.length; i++) {
  const ch = letters.charAt(i);
  defineSymbol(math, mathord, ch, ch);
  defineSymbol(text, textord, ch, ch);
}
var narrow = "\xC7\xD0\xDE\xE7\xFE\u2102\u210D\u2115\u2119\u211A\u211D\u2124\u210E\u210F\u210A\u210B\u210C\u2110\u2111\u2112\u2113\u2118\u211B\u211C\u212C\u2130\u2131\u2133\u212D\u2128";
for (let i = 0; i < narrow.length; i++) {
  const ch = narrow.charAt(i);
  defineSymbol(math, mathord, ch, ch);
  defineSymbol(text, textord, ch, ch);
}
var wideChar = "";
for (let i = 0; i < letters.length; i++) {
  wideChar = String.fromCharCode(55349, 56320 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56372 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56424 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56580 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56736 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56788 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56840 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56944 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 56632 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  const ch = letters.charAt(i);
  wideChar = String.fromCharCode(55349, 56476 + i);
  defineSymbol(math, mathord, ch, wideChar);
  defineSymbol(text, textord, ch, wideChar);
}
for (let i = 0; i < 10; i++) {
  wideChar = String.fromCharCode(55349, 57294 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 57314 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 57324 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
  wideChar = String.fromCharCode(55349, 57334 + i);
  defineSymbol(math, mathord, wideChar, wideChar);
  defineSymbol(text, textord, wideChar, wideChar);
}
var openDelims = "([{\u230A\u2308\u27E8\u27EE\u23B0\u27E6\u2983";
var closeDelims = ")]}\u230B\u2309\u27E9\u27EF\u23B1\u27E6\u2984";
function setLineBreaks(expression, wrapMode, isDisplayMode) {
  const mtrs = [];
  let mrows = [];
  let block = [];
  let numTopLevelEquals = 0;
  let i = 0;
  let level = 0;
  while (i < expression.length) {
    while (expression[i] instanceof DocumentFragment) {
      expression.splice(i, 1, ...expression[i].children);
    }
    const node = expression[i];
    if (node.attributes && node.attributes.linebreak && node.attributes.linebreak === "newline") {
      if (block.length > 0) {
        mrows.push(new mathMLTree.MathNode("mrow", block));
      }
      mrows.push(node);
      block = [];
      const mtd = new mathMLTree.MathNode("mtd", mrows);
      mtd.style.textAlign = "left";
      mtrs.push(new mathMLTree.MathNode("mtr", [mtd]));
      mrows = [];
      i += 1;
      continue;
    }
    block.push(node);
    if (node.type && node.type === "mo" && node.children.length === 1 && !Object.hasOwn(node.attributes, "movablelimits")) {
      const ch = node.children[0].text;
      if (openDelims.indexOf(ch) > -1) {
        level += 1;
      } else if (closeDelims.indexOf(ch) > -1) {
        level -= 1;
      } else if (level === 0 && wrapMode === "=" && ch === "=") {
        numTopLevelEquals += 1;
        if (numTopLevelEquals > 1) {
          block.pop();
          const element = new mathMLTree.MathNode("mrow", block);
          mrows.push(element);
          block = [node];
        }
      } else if (level === 0 && wrapMode === "tex" && ch !== "\u2207") {
        const next = i < expression.length - 1 ? expression[i + 1] : null;
        let glueIsFreeOfNobreak = true;
        if (!(next && next.type === "mtext" && next.attributes.linebreak && next.attributes.linebreak === "nobreak")) {
          for (let j = i + 1; j < expression.length; j++) {
            const nd = expression[j];
            if (nd.type && nd.type === "mspace" && !(nd.attributes.linebreak && nd.attributes.linebreak === "newline")) {
              block.push(nd);
              i += 1;
              if (nd.attributes && nd.attributes.linebreak && nd.attributes.linebreak === "nobreak") {
                glueIsFreeOfNobreak = false;
              }
            } else {
              break;
            }
          }
        }
        if (glueIsFreeOfNobreak) {
          const element = new mathMLTree.MathNode("mrow", block);
          mrows.push(element);
          block = [];
        }
      }
    }
    i += 1;
  }
  if (block.length > 0) {
    const element = new mathMLTree.MathNode("mrow", block);
    mrows.push(element);
  }
  if (mtrs.length > 0) {
    const mtd = new mathMLTree.MathNode("mtd", mrows);
    mtd.style.textAlign = "left";
    const mtr = new mathMLTree.MathNode("mtr", [mtd]);
    mtrs.push(mtr);
    const mtable = new mathMLTree.MathNode("mtable", mtrs);
    if (!isDisplayMode) {
      mtable.setAttribute("columnalign", "left");
      mtable.setAttribute("rowspacing", "0em");
    }
    return mtable;
  }
  return mathMLTree.newDocumentFragment(mrows);
}
var makeText = function(text2, mode, style) {
  if (symbols[mode][text2] && symbols[mode][text2].replace && text2.charCodeAt(0) !== 55349 && !(Object.prototype.hasOwnProperty.call(ligatures, text2) && style && (style.fontFamily && style.fontFamily.slice(4, 6) === "tt" || style.font && style.font.slice(4, 6) === "tt"))) {
    text2 = symbols[mode][text2].replace;
  }
  return new mathMLTree.TextNode(text2);
};
var copyChar = (newRow, child) => {
  if (newRow.children.length === 0 || newRow.children[newRow.children.length - 1].type !== "mtext") {
    const mtext = new mathMLTree.MathNode(
      "mtext",
      [new mathMLTree.TextNode(child.children[0].text)]
    );
    newRow.children.push(mtext);
  } else {
    newRow.children[newRow.children.length - 1].children[0].text += child.children[0].text;
  }
};
var consolidateText = (mrow) => {
  if (mrow.type !== "mrow" && mrow.type !== "mstyle") {
    return mrow;
  }
  if (mrow.children.length === 0) {
    return mrow;
  }
  const newRow = new mathMLTree.MathNode("mrow");
  for (let i = 0; i < mrow.children.length; i++) {
    const child = mrow.children[i];
    if (child.type === "mtext" && Object.keys(child.attributes).length === 0) {
      copyChar(newRow, child);
    } else if (child.type === "mrow") {
      let canConsolidate = true;
      for (let j = 0; j < child.children.length; j++) {
        const grandChild = child.children[j];
        if (grandChild.type !== "mtext" || Object.keys(child.attributes).length !== 0) {
          canConsolidate = false;
          break;
        }
      }
      if (canConsolidate) {
        for (let j = 0; j < child.children.length; j++) {
          const grandChild = child.children[j];
          copyChar(newRow, grandChild);
        }
      } else {
        newRow.children.push(child);
      }
    } else {
      newRow.children.push(child);
    }
  }
  for (let i = 0; i < newRow.children.length; i++) {
    if (newRow.children[i].type === "mtext") {
      const mtext = newRow.children[i];
      if (mtext.children[0].text.charAt(0) === " ") {
        mtext.children[0].text = "\xA0" + mtext.children[0].text.slice(1);
      }
      const L = mtext.children[0].text.length;
      if (L > 0 && mtext.children[0].text.charAt(L - 1) === " ") {
        mtext.children[0].text = mtext.children[0].text.slice(0, -1) + "\xA0";
      }
      for (const [key, value] of Object.entries(mrow.attributes)) {
        mtext.attributes[key] = value;
      }
    }
  }
  if (newRow.children.length === 1 && newRow.children[0].type === "mtext") {
    return newRow.children[0];
  } else {
    return newRow;
  }
};
var makeRow = function(body, semisimple = false) {
  if (body.length === 1 && !(body[0] instanceof DocumentFragment)) {
    return body[0];
  } else if (!semisimple) {
    if (body[0] instanceof MathNode && body[0].type === "mo" && !body[0].attributes.fence) {
      body[0].attributes.lspace = "0em";
      body[0].attributes.rspace = "0em";
    }
    const end = body.length - 1;
    if (body[end] instanceof MathNode && body[end].type === "mo" && !body[end].attributes.fence) {
      body[end].attributes.lspace = "0em";
      body[end].attributes.rspace = "0em";
    }
  }
  return new mathMLTree.MathNode("mrow", body);
};
function isNumberPunctuation(group) {
  if (!group) {
    return false;
  }
  if (group.type === "mi" && group.children.length === 1) {
    const child = group.children[0];
    return child instanceof TextNode2 && child.text === ".";
  } else if (group.type === "mtext" && group.children.length === 1) {
    const child = group.children[0];
    return child instanceof TextNode2 && child.text === "\u2008";
  } else if (group.type === "mo" && group.children.length === 1 && group.getAttribute("separator") === "true" && group.getAttribute("lspace") === "0em" && group.getAttribute("rspace") === "0em") {
    const child = group.children[0];
    return child instanceof TextNode2 && child.text === ",";
  } else {
    return false;
  }
}
var isComma = (expression, i) => {
  const node = expression[i];
  const followingNode = expression[i + 1];
  return node.type === "atom" && node.text === "," && // Don't consolidate if there is a space after the comma.
  node.loc && followingNode.loc && node.loc.end === followingNode.loc.start;
};
var isRel = (item) => {
  return item.type === "atom" && item.family === "rel" || item.type === "mclass" && item.mclass === "mrel";
};
var buildExpression = function(expression, style, semisimple = false) {
  if (!semisimple && expression.length === 1) {
    const group = buildGroup$1(expression[0], style);
    if (group instanceof MathNode && group.type === "mo") {
      group.setAttribute("lspace", "0em");
      group.setAttribute("rspace", "0em");
    }
    return [group];
  }
  const groups = [];
  const groupArray = [];
  let lastGroup;
  for (let i = 0; i < expression.length; i++) {
    groupArray.push(buildGroup$1(expression[i], style));
  }
  for (let i = 0; i < groupArray.length; i++) {
    const group = groupArray[i];
    if (i < expression.length - 1 && isRel(expression[i]) && isRel(expression[i + 1])) {
      group.setAttribute("rspace", "0em");
    }
    if (i > 0 && isRel(expression[i]) && isRel(expression[i - 1])) {
      group.setAttribute("lspace", "0em");
    }
    if (group.type === "mn" && lastGroup && lastGroup.type === "mn") {
      lastGroup.children.push(...group.children);
      continue;
    } else if (isNumberPunctuation(group) && lastGroup && lastGroup.type === "mn") {
      lastGroup.children.push(...group.children);
      continue;
    } else if (lastGroup && lastGroup.type === "mn" && i < groupArray.length - 1 && groupArray[i + 1].type === "mn" && isComma(expression, i)) {
      lastGroup.children.push(...group.children);
      continue;
    } else if (group.type === "mn" && isNumberPunctuation(lastGroup)) {
      group.children = [...lastGroup.children, ...group.children];
      groups.pop();
    } else if ((group.type === "msup" || group.type === "msub") && group.children.length >= 1 && lastGroup && (lastGroup.type === "mn" || isNumberPunctuation(lastGroup))) {
      const base = group.children[0];
      if (base instanceof MathNode && base.type === "mn" && lastGroup) {
        base.children = [...lastGroup.children, ...base.children];
        groups.pop();
      }
    }
    groups.push(group);
    lastGroup = group;
  }
  return groups;
};
var buildExpressionRow = function(expression, style, semisimple = false) {
  return makeRow(buildExpression(expression, style, semisimple), semisimple);
};
var buildGroup$1 = function(group, style) {
  if (!group) {
    return new mathMLTree.MathNode("mrow");
  }
  if (_mathmlGroupBuilders[group.type]) {
    const result = _mathmlGroupBuilders[group.type](group, style);
    return result;
  } else {
    throw new ParseError("Got group of unknown type: '" + group.type + "'");
  }
};
var glue$1 = (_) => {
  return new mathMLTree.MathNode("mtd", [], [], { padding: "0", width: "50%" });
};
var labelContainers = ["mrow", "mtd", "mtable", "mtr"];
var getLabel = (parent) => {
  for (const node of parent.children) {
    if (node.type && labelContainers.includes(node.type)) {
      if (node.classes && node.classes[0] === "tml-label") {
        const label = node.label;
        return label;
      } else {
        const label = getLabel(node);
        if (label) {
          return label;
        }
      }
    } else if (!node.type) {
      const label = getLabel(node);
      if (label) {
        return label;
      }
    }
  }
};
var taggedExpression = (expression, tag, style, leqno) => {
  tag = buildExpressionRow(tag[0].body, style);
  tag = consolidateText(tag);
  tag.classes.push("tml-tag");
  const label = getLabel(expression);
  expression = new mathMLTree.MathNode("mtd", [expression]);
  const rowArray = [glue$1(), expression, glue$1()];
  rowArray[leqno ? 0 : 2].classes.push(leqno ? "tml-left" : "tml-right");
  rowArray[leqno ? 0 : 2].children.push(tag);
  const mtr = new mathMLTree.MathNode("mtr", rowArray, ["tml-tageqn"]);
  if (label) {
    mtr.setAttribute("id", label);
  }
  const table = new mathMLTree.MathNode("mtable", [mtr]);
  table.style.width = "100%";
  table.setAttribute("displaystyle", "true");
  return table;
};
function buildMathML(tree, texExpression, style, settings) {
  let tag = null;
  if (tree.length === 1 && tree[0].type === "tag") {
    tag = tree[0].tag;
    tree = tree[0].body;
  }
  const expression = buildExpression(tree, style);
  if (expression.length === 1 && expression[0] instanceof AnchorNode) {
    return expression[0];
  }
  const wrap = settings.displayMode || settings.annotate ? "none" : settings.wrap;
  const n1 = expression.length === 0 ? null : expression[0];
  let wrapper = expression.length === 1 && tag === null && n1 instanceof MathNode ? expression[0] : setLineBreaks(expression, wrap, settings.displayMode);
  if (tag) {
    wrapper = taggedExpression(wrapper, tag, style, settings.leqno);
  }
  if (settings.annotate) {
    const annotation = new mathMLTree.MathNode(
      "annotation",
      [new mathMLTree.TextNode(texExpression)]
    );
    annotation.setAttribute("encoding", "application/x-tex");
    wrapper = new mathMLTree.MathNode("semantics", [wrapper, annotation]);
  }
  const math2 = new mathMLTree.MathNode("math", [wrapper]);
  if (settings.xml) {
    math2.setAttribute("xmlns", "http://www.w3.org/1998/Math/MathML");
  }
  if (wrapper.style.width) {
    math2.style.width = "100%";
  }
  if (settings.displayMode) {
    math2.setAttribute("display", "block");
    math2.style.display = "block math";
    math2.classes = ["tml-display"];
  }
  return math2;
}
var smalls = "aceg\u0131\u0237mnopqrsuvwxyz\u03B1\u03B3\u03B5\u03B7\u03B9\u03BA\u03BC\u03BD\u03BF\u03C0\u03C1\u03C2\u03C3\u03C4\u03C5\u03C7\u03C9\u03D5\u{1D41A}\u{1D41C}\u{1D41E}\u{1D420}\u{1D426}\u{1D427}\u{1D428}\u{1D429}\u{1D42A}\u{1D42B}\u{1D42C}\u{1D42E}\u{1D42F}\u{1D430}\u{1D431}\u{1D432}\u{1D433}";
var talls = "ABCDEFGHIJKLMNOPQRSTUVWXYZbdfhklt\u0391\u0392\u0393\u0394\u0395\u0396\u0397\u0398\u0399\u039A\u039B\u039C\u039D\u039E\u039F\u03A0\u03A1\u03A3\u03A4\u03A5\u03A6\u03A7\u03A8\u03A9\u03B2\u03B4\u03BB\u03B6\u03C6\u03B8\u03C8\u{1D400}\u{1D401}\u{1D402}\u{1D403}\u{1D404}\u{1D405}\u{1D406}\u{1D407}\u{1D408}\u{1D409}\u{1D40A}\u{1D40B}\u{1D40C}\u{1D40D}\u{1D40E}\u{1D40F}\u{1D410}\u{1D411}\u{1D412}\u{1D413}\u{1D414}\u{1D415}\u{1D416}\u{1D417}\u{1D418}\u{1D419}\u{1D41B}\u{1D41D}\u{1D41F}\u{1D421}\u{1D424}\u{1D425}\u{1D42D}";
var longSmalls = /* @__PURE__ */ new Set([
  "\\alpha",
  "\\gamma",
  "\\delta",
  "\\epsilon",
  "\\eta",
  "\\iota",
  "\\kappa",
  "\\mu",
  "\\nu",
  "\\pi",
  "\\rho",
  "\\sigma",
  "\\tau",
  "\\upsilon",
  "\\chi",
  "\\psi",
  "\\omega",
  "\\imath",
  "\\jmath"
]);
var longTalls = /* @__PURE__ */ new Set([
  "\\Gamma",
  "\\Delta",
  "\\Sigma",
  "\\Omega",
  "\\beta",
  "\\delta",
  "\\lambda",
  "\\theta",
  "\\psi"
]);
var mathmlBuilder$a = (group, style) => {
  const accentNode2 = group.isStretchy ? stretchy.accentNode(group) : new mathMLTree.MathNode("mo", [makeText(group.label, group.mode)]);
  if (group.label === "\\vec") {
    accentNode2.style.transform = "scale(0.75) translate(10%, 30%)";
  } else {
    accentNode2.style.mathStyle = "normal";
    accentNode2.style.mathDepth = "0";
    if (needWebkitShift.has(group.label) && utils.isCharacterBox(group.base)) {
      let shift = "";
      const ch = group.base.text;
      if (smalls.indexOf(ch) > -1 || longSmalls.has(ch)) {
        shift = "tml-xshift";
      }
      if (talls.indexOf(ch) > -1 || longTalls.has(ch)) {
        shift = "tml-capshift";
      }
      if (shift) {
        accentNode2.classes.push(shift);
      }
    }
  }
  if (!group.isStretchy) {
    accentNode2.setAttribute("stretchy", "false");
  }
  const node = new mathMLTree.MathNode(
    group.label === "\\c" ? "munder" : "mover",
    [buildGroup$1(group.base, style), accentNode2]
  );
  return node;
};
var nonStretchyAccents = /* @__PURE__ */ new Set([
  "\\acute",
  "\\grave",
  "\\ddot",
  "\\dddot",
  "\\ddddot",
  "\\tilde",
  "\\bar",
  "\\breve",
  "\\check",
  "\\hat",
  "\\vec",
  "\\dot",
  "\\mathring"
]);
var needWebkitShift = /* @__PURE__ */ new Set([
  "\\acute",
  "\\bar",
  "\\breve",
  "\\check",
  "\\dot",
  "\\ddot",
  "\\grave",
  "\\hat",
  "\\mathring",
  "\\'",
  "\\^",
  "\\~",
  "\\=",
  "\\u",
  "\\.",
  '\\"',
  "\\r",
  "\\H",
  "\\v"
]);
var combiningChar = {
  "\\`": "\u0300",
  "\\'": "\u0301",
  "\\^": "\u0302",
  "\\~": "\u0303",
  "\\=": "\u0304",
  "\\u": "\u0306",
  "\\.": "\u0307",
  '\\"': "\u0308",
  "\\r": "\u030A",
  "\\H": "\u030B",
  "\\v": "\u030C"
};
defineFunction({
  type: "accent",
  names: [
    "\\acute",
    "\\grave",
    "\\ddot",
    "\\dddot",
    "\\ddddot",
    "\\tilde",
    "\\bar",
    "\\breve",
    "\\check",
    "\\hat",
    "\\vec",
    "\\dot",
    "\\mathring",
    "\\overparen",
    "\\widecheck",
    "\\widehat",
    "\\wideparen",
    "\\widetilde",
    "\\overrightarrow",
    "\\overleftarrow",
    "\\Overrightarrow",
    "\\overleftrightarrow",
    "\\overgroup",
    "\\overleftharpoon",
    "\\overrightharpoon"
  ],
  props: {
    numArgs: 1
  },
  handler: (context, args) => {
    const base = normalizeArgument(args[0]);
    const isStretchy = !nonStretchyAccents.has(context.funcName);
    return {
      type: "accent",
      mode: context.parser.mode,
      label: context.funcName,
      isStretchy,
      base
    };
  },
  mathmlBuilder: mathmlBuilder$a
});
defineFunction({
  type: "accent",
  names: ["\\'", "\\`", "\\^", "\\~", "\\=", "\\c", "\\u", "\\.", '\\"', "\\r", "\\H", "\\v"],
  props: {
    numArgs: 1,
    allowedInText: true,
    allowedInMath: true,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    const base = normalizeArgument(args[0]);
    const mode = context.parser.mode;
    if (mode === "math" && context.parser.settings.strict) {
      console.log(`Temml parse error: Command ${context.funcName} is invalid in math mode.`);
    }
    if (mode === "text" && base.text && base.text.length === 1 && context.funcName in combiningChar && smalls.indexOf(base.text) > -1) {
      return {
        type: "textord",
        mode: "text",
        text: base.text + combiningChar[context.funcName]
      };
    } else {
      return {
        type: "accent",
        mode,
        label: context.funcName,
        isStretchy: false,
        base
      };
    }
  },
  mathmlBuilder: mathmlBuilder$a
});
defineFunction({
  type: "accentUnder",
  names: [
    "\\underleftarrow",
    "\\underrightarrow",
    "\\underleftrightarrow",
    "\\undergroup",
    "\\underparen",
    "\\utilde"
  ],
  props: {
    numArgs: 1
  },
  handler: ({ parser, funcName }, args) => {
    const base = args[0];
    return {
      type: "accentUnder",
      mode: parser.mode,
      label: funcName,
      base
    };
  },
  mathmlBuilder: (group, style) => {
    const accentNode2 = stretchy.accentNode(group);
    accentNode2.style["math-depth"] = 0;
    const node = new mathMLTree.MathNode("munder", [
      buildGroup$1(group.base, style),
      accentNode2
    ]);
    return node;
  }
});
var ptPerUnit = {
  // Convert to CSS (Postscipt) points, not TeX points
  // https://en.wikibooks.org/wiki/LaTeX/Lengths and
  // https://tex.stackexchange.com/a/8263
  pt: 800 / 803,
  // convert TeX point to CSS (Postscript) point
  pc: 12 * 800 / 803,
  // pica
  dd: 1238 / 1157 * 800 / 803,
  // didot
  cc: 14856 / 1157 * 800 / 803,
  // cicero (12 didot)
  nd: 685 / 642 * 800 / 803,
  // new didot
  nc: 1370 / 107 * 800 / 803,
  // new cicero (12 new didot)
  sp: 1 / 65536 * 800 / 803,
  // scaled point (TeX's internal smallest unit)
  mm: 25.4 / 72,
  cm: 2.54 / 72,
  in: 1 / 72,
  px: 96 / 72
};
var validUnits = [
  "em",
  "ex",
  "mu",
  "pt",
  "mm",
  "cm",
  "in",
  "px",
  "bp",
  "pc",
  "dd",
  "cc",
  "nd",
  "nc",
  "sp"
];
var validUnit = function(unit) {
  if (typeof unit !== "string") {
    unit = unit.unit;
  }
  return validUnits.indexOf(unit) > -1;
};
var emScale = (styleLevel) => {
  const scriptLevel2 = Math.max(styleLevel - 1, 0);
  return [1, 0.7, 0.5][scriptLevel2];
};
var calculateSize = function(sizeValue, style) {
  let number = sizeValue.number;
  if (style.maxSize[0] < 0 && number > 0) {
    return { number: 0, unit: "em" };
  }
  const unit = sizeValue.unit;
  switch (unit) {
    case "mm":
    case "cm":
    case "in":
    case "px": {
      const numInCssPts = number * ptPerUnit[unit];
      if (numInCssPts > style.maxSize[1]) {
        return { number: style.maxSize[1], unit: "pt" };
      }
      return { number, unit };
    }
    case "em":
    case "ex": {
      if (unit === "ex") {
        number *= 0.431;
      }
      number = Math.min(number / emScale(style.level), style.maxSize[0]);
      return { number: utils.round(number), unit: "em" };
    }
    case "bp": {
      if (number > style.maxSize[1]) {
        number = style.maxSize[1];
      }
      return { number, unit: "pt" };
    }
    case "pt":
    case "pc":
    case "dd":
    case "cc":
    case "nd":
    case "nc":
    case "sp": {
      number = Math.min(number * ptPerUnit[unit], style.maxSize[1]);
      return { number: utils.round(number), unit: "pt" };
    }
    case "mu": {
      number = Math.min(number / 18, style.maxSize[0]);
      return { number: utils.round(number), unit: "em" };
    }
    default:
      throw new ParseError("Invalid unit: '" + unit + "'");
  }
};
var padding$2 = (width) => {
  const node = new mathMLTree.MathNode("mspace");
  node.setAttribute("width", width + "em");
  return node;
};
var paddedNode = (group, lspace = 0.3, rspace = 0, mustSmash = false) => {
  if (group == null && rspace === 0) {
    return padding$2(lspace);
  }
  const row = group ? [group] : [];
  if (lspace !== 0) {
    row.unshift(padding$2(lspace));
  }
  if (rspace > 0) {
    row.push(padding$2(rspace));
  }
  if (mustSmash) {
    const mpadded = new mathMLTree.MathNode("mpadded", row);
    mpadded.setAttribute("height", "0");
    return mpadded;
  } else {
    return new mathMLTree.MathNode("mrow", row);
  }
};
var labelSize = (size, scriptLevel2) => Number(size) / emScale(scriptLevel2);
var munderoverNode = (fName, body, below, style) => {
  const arrowNode = stretchy.mathMLnode(fName);
  const isEq = fName.slice(1, 3) === "eq";
  const minWidth = fName.charAt(1) === "x" ? "1.75" : fName.slice(2, 4) === "cd" ? "3.0" : isEq ? "1.0" : "2.0";
  arrowNode.setAttribute("lspace", "0");
  arrowNode.setAttribute("rspace", isEq ? "0.5em" : "0");
  const labelStyle = style.withLevel(style.level < 2 ? 2 : 3);
  const minArrowWidth = labelSize(minWidth, labelStyle.level);
  const dummyWidth = labelSize(minWidth, 3);
  const emptyLabel = paddedNode(null, minArrowWidth.toFixed(4), 0);
  const dummyNode = paddedNode(null, dummyWidth.toFixed(4), 0);
  const space = labelSize(isEq ? 0 : 0.3, labelStyle.level).toFixed(4);
  let upperNode;
  let lowerNode;
  const gotUpper = body && body.body && // \hphantom        visible content
  (body.body.body || body.body.length > 0);
  if (gotUpper) {
    let label = buildGroup$1(body, labelStyle);
    const mustSmash = fName === "\\\\cdrightarrow" || fName === "\\\\cdleftarrow";
    label = paddedNode(label, space, space, mustSmash);
    upperNode = new mathMLTree.MathNode("mover", [label, dummyNode]);
  }
  const gotLower = below && below.body && (below.body.body || below.body.length > 0);
  if (gotLower) {
    let label = buildGroup$1(below, labelStyle);
    label = paddedNode(label, space, space);
    lowerNode = new mathMLTree.MathNode("munder", [label, dummyNode]);
  }
  let node;
  if (!gotUpper && !gotLower) {
    node = new mathMLTree.MathNode("mover", [arrowNode, emptyLabel]);
  } else if (gotUpper && gotLower) {
    node = new mathMLTree.MathNode("munderover", [arrowNode, lowerNode, upperNode]);
  } else if (gotUpper) {
    node = new mathMLTree.MathNode("mover", [arrowNode, upperNode]);
  } else {
    node = new mathMLTree.MathNode("munder", [arrowNode, lowerNode]);
  }
  if (minWidth === "3.0") {
    node.style.height = "1em";
  }
  node.setAttribute("accent", "false");
  return node;
};
defineFunction({
  type: "xArrow",
  names: [
    "\\xleftarrow",
    "\\xrightarrow",
    "\\xLeftarrow",
    "\\xRightarrow",
    "\\xleftrightarrow",
    "\\xLeftrightarrow",
    "\\xhookleftarrow",
    "\\xhookrightarrow",
    "\\xmapsto",
    "\\xrightharpoondown",
    "\\xrightharpoonup",
    "\\xleftharpoondown",
    "\\xleftharpoonup",
    "\\xlongequal",
    "\\xtwoheadrightarrow",
    "\\xtwoheadleftarrow",
    // The next 5 functions are here only to support mhchem
    "\\yields",
    "\\yieldsLeft",
    "\\mesomerism",
    "\\longrightharpoonup",
    "\\longleftharpoondown",
    // The next 3 functions are here only to support the {CD} environment.
    "\\\\cdrightarrow",
    "\\\\cdleftarrow",
    "\\\\cdlongequal"
  ],
  props: {
    numArgs: 1,
    numOptionalArgs: 1
  },
  handler({ parser, funcName }, args, optArgs) {
    return {
      type: "xArrow",
      mode: parser.mode,
      name: funcName,
      body: args[0],
      below: optArgs[0]
    };
  },
  mathmlBuilder(group, style) {
    const node = munderoverNode(group.name, group.body, group.below, style);
    const row = [node];
    row.unshift(padding$2(0.2778));
    row.push(padding$2(0.2778));
    return new mathMLTree.MathNode("mrow", row);
  }
});
var arrowComponent = {
  "\\xtofrom": ["\\xrightarrow", "\\xleftarrow"],
  "\\xleftrightharpoons": ["\\xleftharpoonup", "\\xrightharpoondown"],
  "\\xrightleftharpoons": ["\\xrightharpoonup", "\\xleftharpoondown"],
  "\\yieldsLeftRight": ["\\yields", "\\yieldsLeft"],
  // The next three all get the same harpoon glyphs. Only the lengths and paddings differ.
  "\\equilibrium": ["\\longrightharpoonup", "\\longleftharpoondown"],
  "\\equilibriumRight": ["\\longrightharpoonup", "\\eqleftharpoondown"],
  "\\equilibriumLeft": ["\\eqrightharpoonup", "\\longleftharpoondown"]
};
defineFunction({
  type: "stackedArrow",
  names: [
    "\\xtofrom",
    // expfeil
    "\\xleftrightharpoons",
    // mathtools
    "\\xrightleftharpoons",
    // mathtools
    "\\yieldsLeftRight",
    // mhchem
    "\\equilibrium",
    // mhchem
    "\\equilibriumRight",
    "\\equilibriumLeft"
  ],
  props: {
    numArgs: 1,
    numOptionalArgs: 1
  },
  handler({ parser, funcName }, args, optArgs) {
    const lowerArrowBody = args[0] ? {
      type: "hphantom",
      mode: parser.mode,
      body: args[0]
    } : null;
    const upperArrowBelow = optArgs[0] ? {
      type: "hphantom",
      mode: parser.mode,
      body: optArgs[0]
    } : null;
    return {
      type: "stackedArrow",
      mode: parser.mode,
      name: funcName,
      body: args[0],
      upperArrowBelow,
      lowerArrowBody,
      below: optArgs[0]
    };
  },
  mathmlBuilder(group, style) {
    const topLabel = arrowComponent[group.name][0];
    const botLabel = arrowComponent[group.name][1];
    const topArrow = munderoverNode(topLabel, group.body, group.upperArrowBelow, style);
    const botArrow = munderoverNode(botLabel, group.lowerArrowBody, group.below, style);
    let wrapper;
    const raiseNode = new mathMLTree.MathNode("mpadded", [topArrow]);
    raiseNode.setAttribute("voffset", "0.3em");
    raiseNode.setAttribute("height", "+0.3em");
    raiseNode.setAttribute("depth", "-0.3em");
    if (group.name === "\\equilibriumLeft") {
      const botNode = new mathMLTree.MathNode("mpadded", [botArrow]);
      botNode.setAttribute("width", "0.5em");
      wrapper = new mathMLTree.MathNode(
        "mpadded",
        [padding$2(0.2778), botNode, raiseNode, padding$2(0.2778)]
      );
    } else {
      raiseNode.setAttribute("width", group.name === "\\equilibriumRight" ? "0.5em" : "0");
      wrapper = new mathMLTree.MathNode(
        "mpadded",
        [padding$2(0.2778), raiseNode, botArrow, padding$2(0.2778)]
      );
    }
    wrapper.setAttribute("voffset", "-0.18em");
    wrapper.setAttribute("height", "-0.18em");
    wrapper.setAttribute("depth", "+0.18em");
    return wrapper;
  }
});
function assertNodeType(node, type) {
  if (!node || node.type !== type) {
    throw new Error(
      `Expected node of type ${type}, but got ` + (node ? `node of type ${node.type}` : String(node))
    );
  }
  return node;
}
function assertSymbolNodeType(node) {
  const typedNode = checkSymbolNodeType(node);
  if (!typedNode) {
    throw new Error(
      `Expected node of symbol group type, but got ` + (node ? `node of type ${node.type}` : String(node))
    );
  }
  return typedNode;
}
function checkSymbolNodeType(node) {
  if (node && (node.type === "atom" || Object.prototype.hasOwnProperty.call(NON_ATOMS, node.type))) {
    return node;
  }
  return null;
}
var cdArrowFunctionName = {
  ">": "\\\\cdrightarrow",
  "<": "\\\\cdleftarrow",
  "=": "\\\\cdlongequal",
  A: "\\uparrow",
  V: "\\downarrow",
  "|": "\\Vert",
  ".": "no arrow"
};
var newCell = () => {
  return { type: "styling", body: [], mode: "math", scriptLevel: "display" };
};
var isStartOfArrow = (node) => {
  return node.type === "textord" && node.text === "@";
};
var isLabelEnd = (node, endChar) => {
  return (node.type === "mathord" || node.type === "atom") && node.text === endChar;
};
function cdArrow(arrowChar, labels, parser) {
  const funcName = cdArrowFunctionName[arrowChar];
  switch (funcName) {
    case "\\\\cdrightarrow":
    case "\\\\cdleftarrow":
      return parser.callFunction(funcName, [labels[0]], [labels[1]]);
    case "\\uparrow":
    case "\\downarrow": {
      const leftLabel = parser.callFunction("\\\\cdleft", [labels[0]], []);
      const bareArrow = {
        type: "atom",
        text: funcName,
        mode: "math",
        family: "rel"
      };
      const sizedArrow = parser.callFunction("\\Big", [bareArrow], []);
      const rightLabel = parser.callFunction("\\\\cdright", [labels[1]], []);
      const arrowGroup = {
        type: "ordgroup",
        mode: "math",
        body: [leftLabel, sizedArrow, rightLabel],
        semisimple: true
      };
      return parser.callFunction("\\\\cdparent", [arrowGroup], []);
    }
    case "\\\\cdlongequal":
      return parser.callFunction("\\\\cdlongequal", [], []);
    case "\\Vert": {
      const arrow = { type: "textord", text: "\\Vert", mode: "math" };
      return parser.callFunction("\\Big", [arrow], []);
    }
    default:
      return { type: "textord", text: " ", mode: "math" };
  }
}
function parseCD(parser) {
  const parsedRows = [];
  parser.gullet.beginGroup();
  parser.gullet.macros.set("\\cr", "\\\\\\relax");
  parser.gullet.beginGroup();
  while (true) {
    parsedRows.push(parser.parseExpression(false, "\\\\"));
    parser.gullet.endGroup();
    parser.gullet.beginGroup();
    const next = parser.fetch().text;
    if (next === "&" || next === "\\\\") {
      parser.consume();
    } else if (next === "\\end") {
      if (parsedRows[parsedRows.length - 1].length === 0) {
        parsedRows.pop();
      }
      break;
    } else {
      throw new ParseError("Expected \\\\ or \\cr or \\end", parser.nextToken);
    }
  }
  let row = [];
  const body = [row];
  for (let i = 0; i < parsedRows.length; i++) {
    const rowNodes = parsedRows[i];
    let cell = newCell();
    for (let j = 0; j < rowNodes.length; j++) {
      if (!isStartOfArrow(rowNodes[j])) {
        cell.body.push(rowNodes[j]);
      } else {
        row.push(cell);
        j += 1;
        const arrowChar = assertSymbolNodeType(rowNodes[j]).text;
        const labels = new Array(2);
        labels[0] = { type: "ordgroup", mode: "math", body: [] };
        labels[1] = { type: "ordgroup", mode: "math", body: [] };
        if ("=|.".indexOf(arrowChar) > -1) ;
        else if ("<>AV".indexOf(arrowChar) > -1) {
          for (let labelNum = 0; labelNum < 2; labelNum++) {
            let inLabel = true;
            for (let k = j + 1; k < rowNodes.length; k++) {
              if (isLabelEnd(rowNodes[k], arrowChar)) {
                inLabel = false;
                j = k;
                break;
              }
              if (isStartOfArrow(rowNodes[k])) {
                throw new ParseError(
                  "Missing a " + arrowChar + " character to complete a CD arrow.",
                  rowNodes[k]
                );
              }
              labels[labelNum].body.push(rowNodes[k]);
            }
            if (inLabel) {
              throw new ParseError(
                "Missing a " + arrowChar + " character to complete a CD arrow.",
                rowNodes[j]
              );
            }
          }
        } else {
          throw new ParseError(`Expected one of "<>AV=|." after @.`);
        }
        const arrow = cdArrow(arrowChar, labels, parser);
        row.push(arrow);
        cell = newCell();
      }
    }
    if (i % 2 === 0) {
      row.push(cell);
    } else {
      row.shift();
    }
    row = [];
    body.push(row);
  }
  body.pop();
  parser.gullet.endGroup();
  parser.gullet.endGroup();
  return {
    type: "array",
    mode: "math",
    body,
    tags: null,
    labels: new Array(body.length + 1).fill(""),
    envClasses: ["jot", "cd"],
    cols: [],
    hLinesBeforeRow: new Array(body.length + 1).fill([])
  };
}
defineFunction({
  type: "cdlabel",
  names: ["\\\\cdleft", "\\\\cdright"],
  props: {
    numArgs: 1
  },
  handler({ parser, funcName }, args) {
    return {
      type: "cdlabel",
      mode: parser.mode,
      side: funcName.slice(4),
      label: args[0]
    };
  },
  mathmlBuilder(group, style) {
    if (group.label.body.length === 0) {
      return new mathMLTree.MathNode("mrow", style);
    }
    const mtd = new mathMLTree.MathNode("mtd", [buildGroup$1(group.label, style)]);
    mtd.style.padding = "0";
    const mtr = new mathMLTree.MathNode("mtr", [mtd]);
    const mtable = new mathMLTree.MathNode("mtable", [mtr]);
    const label = new mathMLTree.MathNode("mpadded", [mtable]);
    label.setAttribute("width", "0");
    label.setAttribute("displaystyle", "false");
    label.setAttribute("scriptlevel", "1");
    if (group.side === "left") {
      label.style.display = "flex";
      label.style.justifyContent = "flex-end";
    }
    return label;
  }
});
defineFunction({
  type: "cdlabelparent",
  names: ["\\\\cdparent"],
  props: {
    numArgs: 1
  },
  handler({ parser }, args) {
    return {
      type: "cdlabelparent",
      mode: parser.mode,
      fragment: args[0]
    };
  },
  mathmlBuilder(group, style) {
    return new mathMLTree.MathNode("mrow", [buildGroup$1(group.fragment, style)]);
  }
});
defineFunction({
  type: "textord",
  names: ["\\@char"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler({ parser, token }, args) {
    const arg = assertNodeType(args[0], "ordgroup");
    const group = arg.body;
    let number = "";
    for (let i = 0; i < group.length; i++) {
      const node = assertNodeType(group[i], "textord");
      number += node.text;
    }
    const code = parseInt(number);
    if (isNaN(code)) {
      throw new ParseError(`\\@char has non-numeric argument ${number}`, token);
    }
    return {
      type: "textord",
      mode: parser.mode,
      text: String.fromCodePoint(code)
    };
  }
});
var htmlRegEx = /^(#[a-f0-9]{3}|#?[a-f0-9]{6})$/i;
var htmlOrNameRegEx = /^(#[a-f0-9]{3}|#?[a-f0-9]{6}|[a-z]+)$/i;
var RGBregEx = /^ *\d{1,3} *(?:, *\d{1,3} *){2}$/;
var rgbRegEx = /^ *[10](?:\.\d*)? *(?:, *[10](?:\.\d*)? *){2}$/;
var xcolorHtmlRegEx = /^[a-f0-9]{6}$/i;
var toHex = (num) => {
  let str = num.toString(16);
  if (str.length === 1) {
    str = "0" + str;
  }
  return str;
};
var xcolors = JSON.parse(`{
  "Apricot": "#ffb484",
  "Aquamarine": "#08b4bc",
  "Bittersweet": "#c84c14",
  "blue": "#0000FF",
  "Blue": "#303494",
  "BlueGreen": "#08b4bc",
  "BlueViolet": "#503c94",
  "BrickRed": "#b8341c",
  "brown": "#BF8040",
  "Brown": "#802404",
  "BurntOrange": "#f8941c",
  "CadetBlue": "#78749c",
  "CarnationPink": "#f884b4",
  "Cerulean": "#08a4e4",
  "CornflowerBlue": "#40ace4",
  "cyan": "#00FFFF",
  "Cyan": "#08acec",
  "Dandelion": "#ffbc44",
  "darkgray": "#404040",
  "DarkOrchid": "#a8548c",
  "Emerald": "#08ac9c",
  "ForestGreen": "#089c54",
  "Fuchsia": "#90348c",
  "Goldenrod": "#ffdc44",
  "gray": "#808080",
  "Gray": "#98949c",
  "green": "#00FF00",
  "Green": "#08a44c",
  "GreenYellow": "#e0e474",
  "JungleGreen": "#08ac9c",
  "Lavender": "#f89cc4",
  "lightgray": "#c0c0c0",
  "lime": "#BFFF00",
  "LimeGreen": "#90c43c",
  "magenta": "#FF00FF",
  "Magenta": "#f0048c",
  "Mahogany": "#b0341c",
  "Maroon": "#b03434",
  "Melon": "#f89c7c",
  "MidnightBlue": "#086494",
  "Mulberry": "#b03c94",
  "NavyBlue": "#086cbc",
  "olive": "#7F7F00",
  "OliveGreen": "#407c34",
  "orange": "#FF8000",
  "Orange": "#f8843c",
  "OrangeRed": "#f0145c",
  "Orchid": "#b074ac",
  "Peach": "#f8945c",
  "Periwinkle": "#8074bc",
  "PineGreen": "#088c74",
  "pink": "#ff7f7f",
  "Plum": "#98248c",
  "ProcessBlue": "#08b4ec",
  "purple": "#BF0040",
  "Purple": "#a0449c",
  "RawSienna": "#983c04",
  "red": "#ff0000",
  "Red": "#f01c24",
  "RedOrange": "#f86434",
  "RedViolet": "#a0246c",
  "Rhodamine": "#f0549c",
  "Royallue": "#0874bc",
  "RoyalPurple": "#683c9c",
  "RubineRed": "#f0047c",
  "Salmon": "#f8948c",
  "SeaGreen": "#30bc9c",
  "Sepia": "#701404",
  "SkyBlue": "#48c4dc",
  "SpringGreen": "#c8dc64",
  "Tan": "#e09c74",
  "teal": "#007F7F",
  "TealBlue": "#08acb4",
  "Thistle": "#d884b4",
  "Turquoise": "#08b4cc",
  "violet": "#800080",
  "Violet": "#60449c",
  "VioletRed": "#f054a4",
  "WildStrawberry": "#f0246c",
  "yellow": "#FFFF00",
  "Yellow": "#fff404",
  "YellowGreen": "#98cc6c",
  "YellowOrange": "#ffa41c"
}`);
var colorFromSpec = (model, spec) => {
  let color = "";
  if (model === "HTML") {
    if (!htmlRegEx.test(spec)) {
      throw new ParseError("Invalid HTML input.");
    }
    color = spec;
  } else if (model === "RGB") {
    if (!RGBregEx.test(spec)) {
      throw new ParseError("Invalid RGB input.");
    }
    spec.split(",").map((e) => {
      color += toHex(Number(e.trim()));
    });
  } else {
    if (!rgbRegEx.test(spec)) {
      throw new ParseError("Invalid rbg input.");
    }
    spec.split(",").map((e) => {
      const num = Number(e.trim());
      if (num > 1) {
        throw new ParseError("Color rgb input must be < 1.");
      }
      color += toHex(Number((num * 255).toFixed(0)));
    });
  }
  if (color.charAt(0) !== "#") {
    color = "#" + color;
  }
  return color;
};
var validateColor = (color, macros2, token) => {
  const macroName = `\\\\color@${color}`;
  const match = htmlOrNameRegEx.exec(color);
  if (!match) {
    throw new ParseError("Invalid color: '" + color + "'", token);
  }
  if (xcolorHtmlRegEx.test(color)) {
    return "#" + color;
  } else if (color.charAt(0) === "#") {
    return color;
  } else if (macros2.has(macroName)) {
    color = macros2.get(macroName).tokens[0].text;
  } else if (xcolors[color]) {
    color = xcolors[color];
  }
  return color;
};
var mathmlBuilder$9 = (group, style) => {
  let expr = buildExpression(group.body, style.withColor(group.color));
  expr = expr.map((e) => {
    e.style.color = group.color;
    return e;
  });
  return mathMLTree.newDocumentFragment(expr);
};
defineFunction({
  type: "color",
  names: ["\\textcolor"],
  props: {
    numArgs: 2,
    numOptionalArgs: 1,
    allowedInText: true,
    argTypes: ["raw", "raw", "original"]
  },
  handler({ parser, token }, args, optArgs) {
    const model = optArgs[0] && assertNodeType(optArgs[0], "raw").string;
    let color = "";
    if (model) {
      const spec = assertNodeType(args[0], "raw").string;
      color = colorFromSpec(model, spec);
    } else {
      color = validateColor(assertNodeType(args[0], "raw").string, parser.gullet.macros, token);
    }
    const body = args[1];
    return {
      type: "color",
      mode: parser.mode,
      color,
      isTextColor: true,
      body: ordargument(body)
    };
  },
  mathmlBuilder: mathmlBuilder$9
});
defineFunction({
  type: "color",
  names: ["\\color"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1,
    allowedInText: true,
    argTypes: ["raw", "raw"]
  },
  handler({ parser, breakOnTokenText, token }, args, optArgs) {
    const model = optArgs[0] && assertNodeType(optArgs[0], "raw").string;
    let color = "";
    if (model) {
      const spec = assertNodeType(args[0], "raw").string;
      color = colorFromSpec(model, spec);
    } else {
      color = validateColor(assertNodeType(args[0], "raw").string, parser.gullet.macros, token);
    }
    const body = parser.parseExpression(true, breakOnTokenText, true);
    return {
      type: "color",
      mode: parser.mode,
      color,
      isTextColor: false,
      body
    };
  },
  mathmlBuilder: mathmlBuilder$9
});
defineFunction({
  type: "color",
  names: ["\\definecolor"],
  props: {
    numArgs: 3,
    allowedInText: true,
    argTypes: ["raw", "raw", "raw"]
  },
  handler({ parser, funcName, token }, args) {
    const name = assertNodeType(args[0], "raw").string;
    if (!/^[A-Za-z]+$/.test(name)) {
      throw new ParseError("Color name must be latin letters.", token);
    }
    const model = assertNodeType(args[1], "raw").string;
    if (!["HTML", "RGB", "rgb"].includes(model)) {
      throw new ParseError("Color model must be HTML, RGB, or rgb.", token);
    }
    const spec = assertNodeType(args[2], "raw").string;
    const color = colorFromSpec(model, spec);
    parser.gullet.macros.set(`\\\\color@${name}`, { tokens: [{ text: color }], numArgs: 0 });
    return { type: "internal", mode: parser.mode };
  }
  // No mathmlBuilder. The point of \definecolor is to set a macro.
});
defineFunction({
  type: "cr",
  names: ["\\\\"],
  props: {
    numArgs: 0,
    numOptionalArgs: 0,
    allowedInText: true
  },
  handler({ parser }, args, optArgs) {
    const size = parser.gullet.future().text === "[" ? parser.parseSizeGroup(true) : null;
    const newLine = !parser.settings.displayMode;
    return {
      type: "cr",
      mode: parser.mode,
      newLine,
      size: size && assertNodeType(size, "size").value
    };
  },
  // The following builder is called only at the top level,
  // not within tabular/array environments.
  mathmlBuilder(group, style) {
    const node = new mathMLTree.MathNode("mo");
    if (group.newLine) {
      node.setAttribute("linebreak", "newline");
      if (group.size) {
        const size = calculateSize(group.size, style);
        node.setAttribute("height", size.number + size.unit);
      }
    }
    return node;
  }
});
var globalMap = {
  "\\global": "\\global",
  "\\long": "\\\\globallong",
  "\\\\globallong": "\\\\globallong",
  "\\def": "\\gdef",
  "\\gdef": "\\gdef",
  "\\edef": "\\xdef",
  "\\xdef": "\\xdef",
  "\\let": "\\\\globallet",
  "\\futurelet": "\\\\globalfuture"
};
var checkControlSequence = (tok) => {
  const name = tok.text;
  if (/^(?:[\\{}$&#^_]|EOF)$/.test(name)) {
    throw new ParseError("Expected a control sequence", tok);
  }
  return name;
};
var getRHS = (parser) => {
  let tok = parser.gullet.popToken();
  if (tok.text === "=") {
    tok = parser.gullet.popToken();
    if (tok.text === " ") {
      tok = parser.gullet.popToken();
    }
  }
  return tok;
};
var letCommand = (parser, name, tok, global) => {
  let macro = parser.gullet.macros.get(tok.text);
  if (macro == null) {
    tok.noexpand = true;
    macro = {
      tokens: [tok],
      numArgs: 0,
      // reproduce the same behavior in expansion
      unexpandable: !parser.gullet.isExpandable(tok.text)
    };
  }
  parser.gullet.macros.set(name, macro, global);
};
defineFunction({
  type: "internal",
  names: [
    "\\global",
    "\\long",
    "\\\\globallong"
    // can’t be entered directly
  ],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler({ parser, funcName }) {
    parser.consumeSpaces();
    const token = parser.fetch();
    if (globalMap[token.text]) {
      if (funcName === "\\global" || funcName === "\\\\globallong") {
        token.text = globalMap[token.text];
      }
      return assertNodeType(parser.parseFunction(), "internal");
    }
    throw new ParseError(`Invalid token after macro prefix`, token);
  }
});
defineFunction({
  type: "internal",
  names: ["\\def", "\\gdef", "\\edef", "\\xdef"],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler({ parser, funcName }) {
    let tok = parser.gullet.popToken();
    const name = tok.text;
    if (/^(?:[\\{}$&#^_]|EOF)$/.test(name)) {
      throw new ParseError("Expected a control sequence", tok);
    }
    let numArgs = 0;
    let insert;
    const delimiters2 = [[]];
    while (parser.gullet.future().text !== "{") {
      tok = parser.gullet.popToken();
      if (tok.text === "#") {
        if (parser.gullet.future().text === "{") {
          insert = parser.gullet.future();
          delimiters2[numArgs].push("{");
          break;
        }
        tok = parser.gullet.popToken();
        if (!/^[1-9]$/.test(tok.text)) {
          throw new ParseError(`Invalid argument number "${tok.text}"`);
        }
        if (parseInt(tok.text) !== numArgs + 1) {
          throw new ParseError(`Argument number "${tok.text}" out of order`);
        }
        numArgs++;
        delimiters2.push([]);
      } else if (tok.text === "EOF") {
        throw new ParseError("Expected a macro definition");
      } else {
        delimiters2[numArgs].push(tok.text);
      }
    }
    let { tokens } = parser.gullet.consumeArg();
    if (insert) {
      tokens.unshift(insert);
    }
    if (funcName === "\\edef" || funcName === "\\xdef") {
      tokens = parser.gullet.expandTokens(tokens);
      if (tokens.length > parser.gullet.settings.maxExpand) {
        throw new ParseError("Too many expansions in an " + funcName);
      }
      tokens.reverse();
    }
    parser.gullet.macros.set(
      name,
      { tokens, numArgs, delimiters: delimiters2 },
      funcName === globalMap[funcName]
    );
    return { type: "internal", mode: parser.mode };
  }
});
defineFunction({
  type: "internal",
  names: [
    "\\let",
    "\\\\globallet"
    // can’t be entered directly
  ],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler({ parser, funcName }) {
    const name = checkControlSequence(parser.gullet.popToken());
    parser.gullet.consumeSpaces();
    const tok = getRHS(parser);
    letCommand(parser, name, tok, funcName === "\\\\globallet");
    return { type: "internal", mode: parser.mode };
  }
});
defineFunction({
  type: "internal",
  names: [
    "\\futurelet",
    "\\\\globalfuture"
    // can’t be entered directly
  ],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler({ parser, funcName }) {
    const name = checkControlSequence(parser.gullet.popToken());
    const middle = parser.gullet.popToken();
    const tok = parser.gullet.popToken();
    letCommand(parser, name, tok, funcName === "\\\\globalfuture");
    parser.gullet.pushToken(tok);
    parser.gullet.pushToken(middle);
    return { type: "internal", mode: parser.mode };
  }
});
defineFunction({
  type: "internal",
  names: ["\\newcommand", "\\renewcommand", "\\providecommand"],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler({ parser, funcName }) {
    let name = "";
    const tok = parser.gullet.popToken();
    if (tok.text === "{") {
      name = checkControlSequence(parser.gullet.popToken());
      parser.gullet.popToken();
    } else {
      name = checkControlSequence(tok);
    }
    const exists = parser.gullet.isDefined(name);
    if (exists && funcName === "\\newcommand") {
      throw new ParseError(
        `\\newcommand{${name}} attempting to redefine ${name}; use \\renewcommand`
      );
    }
    if (!exists && funcName === "\\renewcommand") {
      throw new ParseError(
        `\\renewcommand{${name}} when command ${name} does not yet exist; use \\newcommand`
      );
    }
    let numArgs = 0;
    if (parser.gullet.future().text === "[") {
      let tok2 = parser.gullet.popToken();
      tok2 = parser.gullet.popToken();
      if (!/^[0-9]$/.test(tok2.text)) {
        throw new ParseError(`Invalid number of arguments: "${tok2.text}"`);
      }
      numArgs = parseInt(tok2.text);
      tok2 = parser.gullet.popToken();
      if (tok2.text !== "]") {
        throw new ParseError(`Invalid argument "${tok2.text}"`);
      }
    }
    const { tokens } = parser.gullet.consumeArg();
    if (!(funcName === "\\providecommand" && parser.gullet.macros.has(name))) {
      parser.gullet.macros.set(
        name,
        { tokens, numArgs }
      );
    }
    return { type: "internal", mode: parser.mode };
  }
});
var delimiterSizes = {
  "\\bigl": { mclass: "mopen", size: 1 },
  "\\Bigl": { mclass: "mopen", size: 2 },
  "\\biggl": { mclass: "mopen", size: 3 },
  "\\Biggl": { mclass: "mopen", size: 4 },
  "\\bigr": { mclass: "mclose", size: 1 },
  "\\Bigr": { mclass: "mclose", size: 2 },
  "\\biggr": { mclass: "mclose", size: 3 },
  "\\Biggr": { mclass: "mclose", size: 4 },
  "\\bigm": { mclass: "mrel", size: 1 },
  "\\Bigm": { mclass: "mrel", size: 2 },
  "\\biggm": { mclass: "mrel", size: 3 },
  "\\Biggm": { mclass: "mrel", size: 4 },
  "\\big": { mclass: "mord", size: 1 },
  "\\Big": { mclass: "mord", size: 2 },
  "\\bigg": { mclass: "mord", size: 3 },
  "\\Bigg": { mclass: "mord", size: 4 }
};
var delimiters = [
  "(",
  "\\lparen",
  ")",
  "\\rparen",
  "[",
  "\\lbrack",
  "]",
  "\\rbrack",
  "\\{",
  "\\lbrace",
  "\\}",
  "\\rbrace",
  "\u2987",
  "\\llparenthesis",
  "\u2988",
  "\\rrparenthesis",
  "\\lfloor",
  "\\rfloor",
  "\u230A",
  "\u230B",
  "\\lceil",
  "\\rceil",
  "\u2308",
  "\u2309",
  "<",
  ">",
  "\\langle",
  "\u27E8",
  "\\rangle",
  "\u27E9",
  "\\lAngle",
  "\u27EA",
  "\\rAngle",
  "\u27EB",
  "\\llangle",
  "\u2989",
  "\\rrangle",
  "\u298A",
  "\\lt",
  "\\gt",
  "\\lvert",
  "\\rvert",
  "\\lVert",
  "\\rVert",
  "\\lgroup",
  "\\rgroup",
  "\u27EE",
  "\u27EF",
  "\\lmoustache",
  "\\rmoustache",
  "\u23B0",
  "\u23B1",
  "\\llbracket",
  "\\rrbracket",
  "\u27E6",
  "\u27E6",
  "\\lBrace",
  "\\rBrace",
  "\u2983",
  "\u2984",
  "/",
  "\\backslash",
  "|",
  "\\vert",
  "\\|",
  "\\Vert",
  "\u2016",
  "\\uparrow",
  "\\Uparrow",
  "\\downarrow",
  "\\Downarrow",
  "\\updownarrow",
  "\\Updownarrow",
  "."
];
var dels = ["}", "\\left", "\\middle", "\\right"];
var isDelimiter = (str) => str.length > 0 && (delimiters.includes(str) || delimiterSizes[str] || dels.includes(str));
var sizeToMaxHeight = [0, 1.2, 1.8, 2.4, 3];
function checkDelimiter(delim, context) {
  const symDelim = checkSymbolNodeType(delim);
  if (symDelim && delimiters.includes(symDelim.text)) {
    if (["<", "\\lt"].includes(symDelim.text)) {
      symDelim.text = "\u27E8";
    }
    if ([">", "\\gt"].includes(symDelim.text)) {
      symDelim.text = "\u27E9";
    }
    return symDelim;
  } else if (symDelim) {
    throw new ParseError(`Invalid delimiter '${symDelim.text}' after '${context.funcName}'`, delim);
  } else {
    throw new ParseError(`Invalid delimiter type '${delim.type}'`, delim);
  }
}
var needExplicitStretch = ["/", "\\", "\\backslash", "\\vert", "|"];
defineFunction({
  type: "delimsizing",
  names: [
    "\\bigl",
    "\\Bigl",
    "\\biggl",
    "\\Biggl",
    "\\bigr",
    "\\Bigr",
    "\\biggr",
    "\\Biggr",
    "\\bigm",
    "\\Bigm",
    "\\biggm",
    "\\Biggm",
    "\\big",
    "\\Big",
    "\\bigg",
    "\\Bigg"
  ],
  props: {
    numArgs: 1,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    const delim = checkDelimiter(args[0], context);
    return {
      type: "delimsizing",
      mode: context.parser.mode,
      size: delimiterSizes[context.funcName].size,
      mclass: delimiterSizes[context.funcName].mclass,
      delim: delim.text
    };
  },
  mathmlBuilder: (group) => {
    const children = [];
    if (group.delim === ".") {
      group.delim = "";
    }
    children.push(makeText(group.delim, group.mode));
    const node = new mathMLTree.MathNode("mo", children);
    if (group.mclass === "mopen" || group.mclass === "mclose") {
      node.setAttribute("fence", "true");
    } else {
      node.setAttribute("fence", "false");
    }
    if (needExplicitStretch.includes(group.delim) || group.delim.indexOf("arrow") > -1) {
      node.setAttribute("stretchy", "true");
    }
    node.setAttribute("symmetric", "true");
    node.setAttribute("minsize", sizeToMaxHeight[group.size] + "em");
    node.setAttribute("maxsize", sizeToMaxHeight[group.size] + "em");
    return node;
  }
});
function assertParsed(group) {
  if (!group.body) {
    throw new Error("Bug: The leftright ParseNode wasn't fully parsed.");
  }
}
defineFunction({
  type: "leftright-right",
  names: ["\\right"],
  props: {
    numArgs: 1,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    return {
      type: "leftright-right",
      mode: context.parser.mode,
      delim: checkDelimiter(args[0], context).text
    };
  }
});
defineFunction({
  type: "leftright",
  names: ["\\left"],
  props: {
    numArgs: 1,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    const delim = checkDelimiter(args[0], context);
    const parser = context.parser;
    ++parser.leftrightDepth;
    let body = parser.parseExpression(false, null, true);
    let nextToken = parser.fetch();
    while (nextToken.text === "\\middle") {
      parser.consume();
      const middle = parser.fetch().text;
      if (!symbols.math[middle]) {
        throw new ParseError(`Invalid delimiter '${middle}' after '\\middle'`);
      }
      checkDelimiter({ type: "atom", mode: "math", text: middle }, { funcName: "\\middle" });
      body.push({ type: "middle", mode: "math", delim: middle });
      parser.consume();
      body = body.concat(parser.parseExpression(false, null, true));
      nextToken = parser.fetch();
    }
    --parser.leftrightDepth;
    parser.expect("\\right", false);
    const right = assertNodeType(parser.parseFunction(), "leftright-right");
    return {
      type: "leftright",
      mode: parser.mode,
      body,
      left: delim.text,
      right: right.delim
    };
  },
  mathmlBuilder: (group, style) => {
    assertParsed(group);
    const inner2 = buildExpression(group.body, style);
    if (group.left === ".") {
      group.left = "";
    }
    const leftNode = new mathMLTree.MathNode("mo", [makeText(group.left, group.mode)]);
    leftNode.setAttribute("fence", "true");
    leftNode.setAttribute("form", "prefix");
    if (group.left === "/" || group.left === "\\" || group.left.indexOf("arrow") > -1) {
      leftNode.setAttribute("stretchy", "true");
    }
    inner2.unshift(leftNode);
    if (group.right === ".") {
      group.right = "";
    }
    const rightNode = new mathMLTree.MathNode("mo", [makeText(group.right, group.mode)]);
    rightNode.setAttribute("fence", "true");
    rightNode.setAttribute("form", "postfix");
    if (group.right === "\u2216" || group.right.indexOf("arrow") > -1) {
      rightNode.setAttribute("stretchy", "true");
    }
    if (group.body.length > 0) {
      const lastElement = group.body[group.body.length - 1];
      if (lastElement.type === "color" && !lastElement.isTextColor) {
        rightNode.setAttribute("mathcolor", lastElement.color);
      }
    }
    inner2.push(rightNode);
    return makeRow(inner2);
  }
});
defineFunction({
  type: "middle",
  names: ["\\middle"],
  props: {
    numArgs: 1,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    const delim = checkDelimiter(args[0], context);
    if (!context.parser.leftrightDepth) {
      throw new ParseError("\\middle without preceding \\left", delim);
    }
    return {
      type: "middle",
      mode: context.parser.mode,
      delim: delim.text
    };
  },
  mathmlBuilder: (group, style) => {
    const textNode = makeText(group.delim, group.mode);
    const middleNode = new mathMLTree.MathNode("mo", [textNode]);
    middleNode.setAttribute("fence", "true");
    if (group.delim.indexOf("arrow") > -1) {
      middleNode.setAttribute("stretchy", "true");
    }
    middleNode.setAttribute("form", "prefix");
    middleNode.setAttribute("lspace", "0.05em");
    middleNode.setAttribute("rspace", "0.05em");
    return middleNode;
  }
});
var padding$1 = (_) => {
  const node = new mathMLTree.MathNode("mspace");
  node.setAttribute("width", "3pt");
  return node;
};
var mathmlBuilder$8 = (group, style) => {
  let node;
  if (group.label.indexOf("colorbox") > -1 || group.label === "\\boxed") {
    node = new mathMLTree.MathNode("mrow", [
      padding$1(),
      buildGroup$1(group.body, style),
      padding$1()
    ]);
  } else {
    node = new mathMLTree.MathNode("menclose", [buildGroup$1(group.body, style)]);
  }
  switch (group.label) {
    case "\\overline":
      node.setAttribute("notation", "top");
      node.classes.push("tml-overline");
      break;
    case "\\underline":
      node.setAttribute("notation", "bottom");
      node.classes.push("tml-underline");
      break;
    case "\\cancel":
      node.setAttribute("notation", "updiagonalstrike");
      node.children.push(new mathMLTree.MathNode("mrow", [], ["tml-cancel", "upstrike"]));
      break;
    case "\\bcancel":
      node.setAttribute("notation", "downdiagonalstrike");
      node.children.push(new mathMLTree.MathNode("mrow", [], ["tml-cancel", "downstrike"]));
      break;
    case "\\sout":
      node.setAttribute("notation", "horizontalstrike");
      node.children.push(new mathMLTree.MathNode("mrow", [], ["tml-cancel", "sout"]));
      break;
    case "\\xcancel":
      node.setAttribute("notation", "updiagonalstrike downdiagonalstrike");
      node.classes.push("tml-xcancel");
      break;
    case "\\longdiv":
      node.setAttribute("notation", "longdiv");
      node.classes.push("longdiv-top");
      node.children.push(new mathMLTree.MathNode("mrow", [], ["longdiv-arc"]));
      break;
    case "\\phase":
      node.setAttribute("notation", "phasorangle");
      node.classes.push("phasor-bottom");
      node.children.push(new mathMLTree.MathNode("mrow", [], ["phasor-angle"]));
      break;
    case "\\textcircled":
      node.setAttribute("notation", "circle");
      node.classes.push("circle-pad");
      node.children.push(new mathMLTree.MathNode("mrow", [], ["textcircle"]));
      break;
    case "\\angl":
      node.setAttribute("notation", "actuarial");
      node.classes.push("actuarial");
      break;
    case "\\boxed":
      node.setAttribute("notation", "box");
      node.classes.push("tml-box");
      node.setAttribute("scriptlevel", "0");
      node.setAttribute("displaystyle", "true");
      break;
    case "\\fbox":
      node.setAttribute("notation", "box");
      node.classes.push("tml-fbox");
      break;
    case "\\fcolorbox":
    case "\\colorbox": {
      const style2 = { padding: "3pt 0 3pt 0" };
      if (group.label === "\\fcolorbox") {
        style2.border = "0.0667em solid " + String(group.borderColor);
      }
      node.style = style2;
      break;
    }
  }
  if (group.backgroundColor) {
    node.setAttribute("mathbackground", group.backgroundColor);
  }
  return node;
};
defineFunction({
  type: "enclose",
  names: ["\\colorbox"],
  props: {
    numArgs: 2,
    numOptionalArgs: 1,
    allowedInText: true,
    argTypes: ["raw", "raw", "text"]
  },
  handler({ parser, funcName }, args, optArgs) {
    const model = optArgs[0] && assertNodeType(optArgs[0], "raw").string;
    let color = "";
    if (model) {
      const spec = assertNodeType(args[0], "raw").string;
      color = colorFromSpec(model, spec);
    } else {
      color = validateColor(assertNodeType(args[0], "raw").string, parser.gullet.macros);
    }
    const body = args[1];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      backgroundColor: color,
      body
    };
  },
  mathmlBuilder: mathmlBuilder$8
});
defineFunction({
  type: "enclose",
  names: ["\\fcolorbox"],
  props: {
    numArgs: 3,
    numOptionalArgs: 1,
    allowedInText: true,
    argTypes: ["raw", "raw", "raw", "text"]
  },
  handler({ parser, funcName }, args, optArgs) {
    const model = optArgs[0] && assertNodeType(optArgs[0], "raw").string;
    let borderColor = "";
    let backgroundColor;
    if (model) {
      const borderSpec = assertNodeType(args[0], "raw").string;
      const backgroundSpec = assertNodeType(args[0], "raw").string;
      borderColor = colorFromSpec(model, borderSpec);
      backgroundColor = colorFromSpec(model, backgroundSpec);
    } else {
      borderColor = validateColor(assertNodeType(args[0], "raw").string, parser.gullet.macros);
      backgroundColor = validateColor(assertNodeType(args[1], "raw").string, parser.gullet.macros);
    }
    const body = args[2];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      backgroundColor,
      borderColor,
      body
    };
  },
  mathmlBuilder: mathmlBuilder$8
});
defineFunction({
  type: "enclose",
  names: ["\\fbox"],
  props: {
    numArgs: 1,
    argTypes: ["hbox"],
    allowedInText: true
  },
  handler({ parser }, args) {
    return {
      type: "enclose",
      mode: parser.mode,
      label: "\\fbox",
      body: args[0]
    };
  }
});
defineFunction({
  type: "enclose",
  names: [
    "\\angl",
    "\\cancel",
    "\\bcancel",
    "\\xcancel",
    "\\sout",
    "\\overline",
    "\\boxed",
    "\\longdiv",
    "\\phase"
  ],
  props: {
    numArgs: 1
  },
  handler({ parser, funcName }, args) {
    const body = args[0];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      body
    };
  },
  mathmlBuilder: mathmlBuilder$8
});
defineFunction({
  type: "enclose",
  names: ["\\underline"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler({ parser, funcName }, args) {
    const body = args[0];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      body
    };
  },
  mathmlBuilder: mathmlBuilder$8
});
defineFunction({
  type: "enclose",
  names: ["\\textcircled"],
  props: {
    numArgs: 1,
    argTypes: ["text"],
    allowedInArgument: true,
    allowedInText: true
  },
  handler({ parser, funcName }, args) {
    const body = args[0];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      body
    };
  },
  mathmlBuilder: mathmlBuilder$8
});
var _environments = {};
function defineEnvironment({ type, names, props, handler, mathmlBuilder: mathmlBuilder2 }) {
  const data = {
    type,
    numArgs: props.numArgs || 0,
    allowedInText: false,
    numOptionalArgs: 0,
    handler
  };
  for (let i = 0; i < names.length; ++i) {
    _environments[names[i]] = data;
  }
  if (mathmlBuilder2) {
    _mathmlGroupBuilders[type] = mathmlBuilder2;
  }
}
var SourceLocation = class _SourceLocation {
  constructor(lexer, start, end) {
    this.lexer = lexer;
    this.start = start;
    this.end = end;
  }
  /**
   * Merges two `SourceLocation`s from location providers, given they are
   * provided in order of appearance.
   * - Returns the first one's location if only the first is provided.
   * - Returns a merged range of the first and the last if both are provided
   *   and their lexers match.
   * - Otherwise, returns null.
   */
  static range(first, second) {
    if (!second) {
      return first && first.loc;
    } else if (!first || !first.loc || !second.loc || first.loc.lexer !== second.loc.lexer) {
      return null;
    } else {
      return new _SourceLocation(first.loc.lexer, first.loc.start, second.loc.end);
    }
  }
};
var Token = class _Token {
  constructor(text2, loc) {
    this.text = text2;
    this.loc = loc;
  }
  /**
   * Given a pair of tokens (this and endToken), compute a `Token` encompassing
   * the whole input range enclosed by these two.
   */
  range(endToken, text2) {
    return new _Token(text2, SourceLocation.range(this, endToken));
  }
};
var StyleLevel = {
  DISPLAY: 0,
  TEXT: 1,
  SCRIPT: 2,
  SCRIPTSCRIPT: 3
};
var _macros = {};
function defineMacro(name, body) {
  _macros[name] = body;
}
var macros = _macros;
defineMacro("\\noexpand", function(context) {
  const t = context.popToken();
  if (context.isExpandable(t.text)) {
    t.noexpand = true;
    t.treatAsRelax = true;
  }
  return { tokens: [t], numArgs: 0 };
});
defineMacro("\\expandafter", function(context) {
  const t = context.popToken();
  context.expandOnce(true);
  return { tokens: [t], numArgs: 0 };
});
defineMacro("\\@firstoftwo", function(context) {
  const args = context.consumeArgs(2);
  return { tokens: args[0], numArgs: 0 };
});
defineMacro("\\@secondoftwo", function(context) {
  const args = context.consumeArgs(2);
  return { tokens: args[1], numArgs: 0 };
});
defineMacro("\\@ifnextchar", function(context) {
  const args = context.consumeArgs(3);
  context.consumeSpaces();
  const nextToken = context.future();
  if (args[0].length === 1 && args[0][0].text === nextToken.text) {
    return { tokens: args[1], numArgs: 0 };
  } else {
    return { tokens: args[2], numArgs: 0 };
  }
});
defineMacro("\\@ifstar", "\\@ifnextchar *{\\@firstoftwo{#1}}");
defineMacro("\\TextOrMath", function(context) {
  const args = context.consumeArgs(2);
  if (context.mode === "text") {
    return { tokens: args[0], numArgs: 0 };
  } else {
    return { tokens: args[1], numArgs: 0 };
  }
});
var stringFromArg = (arg) => {
  let str = "";
  for (let i = arg.length - 1; i > -1; i--) {
    str += arg[i].text;
  }
  return str;
};
var digitToNumber = {
  0: 0,
  1: 1,
  2: 2,
  3: 3,
  4: 4,
  5: 5,
  6: 6,
  7: 7,
  8: 8,
  9: 9,
  a: 10,
  A: 10,
  b: 11,
  B: 11,
  c: 12,
  C: 12,
  d: 13,
  D: 13,
  e: 14,
  E: 14,
  f: 15,
  F: 15
};
var nextCharNumber = (context) => {
  const numStr = context.future().text;
  if (numStr === "EOF") {
    return [null, ""];
  }
  return [digitToNumber[numStr.charAt(0)], numStr];
};
var appendCharNumbers = (number, numStr, base) => {
  for (let i = 1; i < numStr.length; i++) {
    const digit = digitToNumber[numStr.charAt(i)];
    number *= base;
    number += digit;
  }
  return number;
};
defineMacro("\\char", function(context) {
  let token = context.popToken();
  let base;
  let number = "";
  if (token.text === "'") {
    base = 8;
    token = context.popToken();
  } else if (token.text === '"') {
    base = 16;
    token = context.popToken();
  } else if (token.text === "`") {
    token = context.popToken();
    if (token.text[0] === "\\") {
      number = token.text.charCodeAt(1);
    } else if (token.text === "EOF") {
      throw new ParseError("\\char` missing argument");
    } else {
      number = token.text.charCodeAt(0);
    }
  } else {
    base = 10;
  }
  if (base) {
    let numStr = token.text;
    number = digitToNumber[numStr.charAt(0)];
    if (number == null || number >= base) {
      throw new ParseError(`Invalid base-${base} digit ${token.text}`);
    }
    number = appendCharNumbers(number, numStr, base);
    let digit;
    [digit, numStr] = nextCharNumber(context);
    while (digit != null && digit < base) {
      number *= base;
      number += digit;
      number = appendCharNumbers(number, numStr, base);
      context.popToken();
      [digit, numStr] = nextCharNumber(context);
    }
  }
  return `\\@char{${number}}`;
});
function recreateArgStr(context) {
  const tokens = context.consumeArgs(1)[0];
  let str = "";
  let expectedLoc = tokens[tokens.length - 1].loc.start;
  for (let i = tokens.length - 1; i >= 0; i--) {
    const actualLoc = tokens[i].loc.start;
    if (actualLoc > expectedLoc) {
      str += " ";
      expectedLoc = actualLoc;
    }
    str += tokens[i].text;
    expectedLoc += tokens[i].text.length;
  }
  return str;
}
defineMacro("\\surd", "\\sqrt{\\vphantom{|}}");
defineMacro("\u2295", "\\oplus");
defineMacro("\\long", "");
defineMacro("\\bgroup", "{");
defineMacro("\\egroup", "}");
defineMacro("~", "\\nobreakspace");
defineMacro("\\lq", "`");
defineMacro("\\rq", "'");
defineMacro("\\aa", "\\r a");
defineMacro("\\Bbbk", "\\Bbb{k}");
defineMacro("\\mathstrut", "\\vphantom{(}");
defineMacro("\\underbar", "\\underline{\\text{#1}}");
defineMacro("\\vdots", "{\\varvdots\\rule{0pt}{15pt}}");
defineMacro("\u22EE", "\\vdots");
defineMacro("\\arraystretch", "1");
defineMacro("\\arraycolsep", "6pt");
defineMacro("\\substack", "\\begin{subarray}{c}#1\\end{subarray}");
defineMacro("\\iff", "\\DOTSB\\;\\Longleftrightarrow\\;");
defineMacro("\\implies", "\\DOTSB\\;\\Longrightarrow\\;");
defineMacro("\\impliedby", "\\DOTSB\\;\\Longleftarrow\\;");
var dotsByToken = {
  ",": "\\dotsc",
  "\\not": "\\dotsb",
  // \keybin@ checks for the following:
  "+": "\\dotsb",
  "=": "\\dotsb",
  "<": "\\dotsb",
  ">": "\\dotsb",
  "-": "\\dotsb",
  "*": "\\dotsb",
  ":": "\\dotsb",
  // Symbols whose definition starts with \DOTSB:
  "\\DOTSB": "\\dotsb",
  "\\coprod": "\\dotsb",
  "\\bigvee": "\\dotsb",
  "\\bigwedge": "\\dotsb",
  "\\biguplus": "\\dotsb",
  "\\bigcap": "\\dotsb",
  "\\bigcup": "\\dotsb",
  "\\prod": "\\dotsb",
  "\\sum": "\\dotsb",
  "\\bigotimes": "\\dotsb",
  "\\bigoplus": "\\dotsb",
  "\\bigodot": "\\dotsb",
  "\\bigsqcap": "\\dotsb",
  "\\bigsqcup": "\\dotsb",
  "\\bigtimes": "\\dotsb",
  "\\And": "\\dotsb",
  "\\longrightarrow": "\\dotsb",
  "\\Longrightarrow": "\\dotsb",
  "\\longleftarrow": "\\dotsb",
  "\\Longleftarrow": "\\dotsb",
  "\\longleftrightarrow": "\\dotsb",
  "\\Longleftrightarrow": "\\dotsb",
  "\\mapsto": "\\dotsb",
  "\\longmapsto": "\\dotsb",
  "\\hookrightarrow": "\\dotsb",
  "\\doteq": "\\dotsb",
  // Symbols whose definition starts with \mathbin:
  "\\mathbin": "\\dotsb",
  // Symbols whose definition starts with \mathrel:
  "\\mathrel": "\\dotsb",
  "\\relbar": "\\dotsb",
  "\\Relbar": "\\dotsb",
  "\\xrightarrow": "\\dotsb",
  "\\xleftarrow": "\\dotsb",
  // Symbols whose definition starts with \DOTSI:
  "\\DOTSI": "\\dotsi",
  "\\int": "\\dotsi",
  "\\oint": "\\dotsi",
  "\\iint": "\\dotsi",
  "\\iiint": "\\dotsi",
  "\\iiiint": "\\dotsi",
  "\\idotsint": "\\dotsi",
  // Symbols whose definition starts with \DOTSX:
  "\\DOTSX": "\\dotsx"
};
defineMacro("\\dots", function(context) {
  let thedots = "\\dotso";
  const next = context.expandAfterFuture().text;
  if (next in dotsByToken) {
    thedots = dotsByToken[next];
  } else if (next.slice(0, 4) === "\\not") {
    thedots = "\\dotsb";
  } else if (next in symbols.math) {
    if (["bin", "rel"].includes(symbols.math[next].group)) {
      thedots = "\\dotsb";
    }
  }
  return thedots;
});
var spaceAfterDots = {
  // \rightdelim@ checks for the following:
  ")": true,
  "]": true,
  "\\rbrack": true,
  "\\}": true,
  "\\rbrace": true,
  "\\rangle": true,
  "\\rceil": true,
  "\\rfloor": true,
  "\\rgroup": true,
  "\\rmoustache": true,
  "\\right": true,
  "\\bigr": true,
  "\\biggr": true,
  "\\Bigr": true,
  "\\Biggr": true,
  // \extra@ also tests for the following:
  $: true,
  // \extrap@ checks for the following:
  ";": true,
  ".": true,
  ",": true
};
defineMacro("\\dotso", function(context) {
  const next = context.future().text;
  if (next in spaceAfterDots) {
    return "\\ldots\\,";
  } else {
    return "\\ldots";
  }
});
defineMacro("\\dotsc", function(context) {
  const next = context.future().text;
  if (next in spaceAfterDots && next !== ",") {
    return "\\ldots\\,";
  } else {
    return "\\ldots";
  }
});
defineMacro("\\cdots", function(context) {
  const next = context.future().text;
  if (next in spaceAfterDots) {
    return "\\@cdots\\,";
  } else {
    return "\\@cdots";
  }
});
defineMacro("\\dotsb", "\\cdots");
defineMacro("\\dotsm", "\\cdots");
defineMacro("\\dotsi", "\\!\\cdots");
defineMacro("\\idotsint", "\\dotsi");
defineMacro("\\dotsx", "\\ldots\\,");
defineMacro("\\DOTSI", "\\relax");
defineMacro("\\DOTSB", "\\relax");
defineMacro("\\DOTSX", "\\relax");
defineMacro("\\tmspace", "\\TextOrMath{\\kern#1#3}{\\mskip#1#2}\\relax");
defineMacro("\\,", "{\\tmspace+{3mu}{.1667em}}");
defineMacro("\\thinspace", "\\,");
defineMacro("\\>", "\\mskip{4mu}");
defineMacro("\\:", "{\\tmspace+{4mu}{.2222em}}");
defineMacro("\\medspace", "\\:");
defineMacro("\\;", "{\\tmspace+{5mu}{.2777em}}");
defineMacro("\\thickspace", "\\;");
defineMacro("\\!", "{\\tmspace-{3mu}{.1667em}}");
defineMacro("\\negthinspace", "\\!");
defineMacro("\\negmedspace", "{\\tmspace-{4mu}{.2222em}}");
defineMacro("\\negthickspace", "{\\tmspace-{5mu}{.277em}}");
defineMacro("\\enspace", "\\kern.5em ");
defineMacro("\\enskip", "\\hskip.5em\\relax");
defineMacro("\\quad", "\\hskip1em\\relax");
defineMacro("\\qquad", "\\hskip2em\\relax");
defineMacro("\\AA", "\\TextOrMath{\\Angstrom}{\\mathring{A}}\\relax");
defineMacro("\\tag", "\\@ifstar\\tag@literal\\tag@paren");
defineMacro("\\tag@paren", "\\tag@literal{({#1})}");
defineMacro("\\tag@literal", (context) => {
  if (context.macros.get("\\df@tag")) {
    throw new ParseError("Multiple \\tag");
  }
  return "\\gdef\\df@tag{\\text{#1}}";
});
defineMacro("\\notag", "\\nonumber");
defineMacro("\\nonumber", "\\gdef\\@eqnsw{0}");
defineMacro("\\bmod", "\\mathbin{\\text{mod}}");
defineMacro(
  "\\pod",
  "\\allowbreak\\mathchoice{\\mkern18mu}{\\mkern8mu}{\\mkern8mu}{\\mkern8mu}(#1)"
);
defineMacro("\\pmod", "\\pod{{\\rm mod}\\mkern6mu#1}");
defineMacro(
  "\\mod",
  "\\allowbreak\\mathchoice{\\mkern18mu}{\\mkern12mu}{\\mkern12mu}{\\mkern12mu}{\\rm mod}\\,\\,#1"
);
defineMacro("\\newline", "\\\\\\relax");
defineMacro("\\TeX", "\\textrm{T}\\kern-.1667em\\raisebox{-.5ex}{E}\\kern-.125em\\textrm{X}");
defineMacro(
  "\\LaTeX",
  "\\textrm{L}\\kern-.35em\\raisebox{0.2em}{\\scriptstyle A}\\kern-.15em\\TeX"
);
defineMacro(
  "\\Temml",
  // eslint-disable-next-line max-len
  "\\textrm{T}\\kern-0.2em\\lower{0.2em}{\\textrm{E}}\\kern-0.08em{\\textrm{M}\\kern-0.08em\\raise{0.2em}\\textrm{M}\\kern-0.08em\\textrm{L}}"
);
defineMacro("\\hspace", "\\@ifstar\\@hspacer\\@hspace");
defineMacro("\\@hspace", "\\hskip #1\\relax");
defineMacro("\\@hspacer", "\\rule{0pt}{0pt}\\hskip #1\\relax");
defineMacro("\\colon", `\\mathpunct{\\char"3a}`);
defineMacro("\\prescript", "\\pres@cript{_{#1}^{#2}}{}{#3}");
defineMacro("\\ordinarycolon", `\\char"3a`);
defineMacro("\\vcentcolon", "\\mathrel{\\raisebox{0.035em}{\\ordinarycolon}}");
defineMacro("\\coloneq", '\\mathrel{\\raisebox{0.035em}{\\ordinarycolon}\\char"2212}');
defineMacro("\\Coloneq", '\\mathrel{\\char"2237\\char"2212}');
defineMacro("\\Eqqcolon", '\\mathrel{\\char"3d\\char"2237}');
defineMacro("\\Eqcolon", '\\mathrel{\\char"2212\\char"2237}');
defineMacro("\\colonapprox", '\\mathrel{\\raisebox{0.035em}{\\ordinarycolon}\\char"2248}');
defineMacro("\\Colonapprox", '\\mathrel{\\char"2237\\char"2248}');
defineMacro("\\colonsim", '\\mathrel{\\raisebox{0.035em}{\\ordinarycolon}\\char"223c}');
defineMacro("\\Colonsim", '\\mathrel{\\raisebox{0.035em}{\\ordinarycolon}\\char"223c}');
defineMacro("\\ratio", "\\vcentcolon");
defineMacro("\\coloncolon", "\\dblcolon");
defineMacro("\\colonequals", "\\coloneqq");
defineMacro("\\coloncolonequals", "\\Coloneqq");
defineMacro("\\equalscolon", "\\eqqcolon");
defineMacro("\\equalscoloncolon", "\\Eqqcolon");
defineMacro("\\colonminus", "\\coloneq");
defineMacro("\\coloncolonminus", "\\Coloneq");
defineMacro("\\minuscolon", "\\eqcolon");
defineMacro("\\minuscoloncolon", "\\Eqcolon");
defineMacro("\\coloncolonapprox", "\\Colonapprox");
defineMacro("\\coloncolonsim", "\\Colonsim");
defineMacro("\\notni", "\\mathrel{\\char`\u220C}");
defineMacro("\\limsup", "\\DOTSB\\operatorname*{lim\\,sup}");
defineMacro("\\liminf", "\\DOTSB\\operatorname*{lim\\,inf}");
defineMacro("\\injlim", "\\DOTSB\\operatorname*{inj\\,lim}");
defineMacro("\\projlim", "\\DOTSB\\operatorname*{proj\\,lim}");
defineMacro("\\varlimsup", "\\DOTSB\\operatorname*{\\overline{\\text{lim}}}");
defineMacro("\\varliminf", "\\DOTSB\\operatorname*{\\underline{\\text{lim}}}");
defineMacro("\\varinjlim", "\\DOTSB\\operatorname*{\\underrightarrow{\\text{lim}}}");
defineMacro("\\varprojlim", "\\DOTSB\\operatorname*{\\underleftarrow{\\text{lim}}}");
defineMacro("\\centerdot", "{\\medspace\\rule{0.167em}{0.189em}\\medspace}");
defineMacro("\\argmin", "\\DOTSB\\operatorname*{arg\\,min}");
defineMacro("\\argmax", "\\DOTSB\\operatorname*{arg\\,max}");
defineMacro("\\plim", "\\DOTSB\\operatorname*{plim}");
defineMacro("\\leftmodels", "\\mathop{\\reflectbox{$\\models$}}");
defineMacro("\\bra", "\\mathinner{\\langle{#1}|}");
defineMacro("\\ket", "\\mathinner{|{#1}\\rangle}");
defineMacro("\\braket", "\\mathinner{\\langle{#1}\\rangle}");
defineMacro("\\Bra", "\\left\\langle#1\\right|");
defineMacro("\\Ket", "\\left|#1\\right\\rangle");
var replaceVert = (argStr, match) => {
  const ch = match[0] === "|" ? "\\vert" : "\\Vert";
  const replaceStr = `}\\,\\middle${ch}\\,{`;
  return argStr.slice(0, match.index) + replaceStr + argStr.slice(match.index + match[0].length);
};
defineMacro("\\Braket", function(context) {
  let argStr = recreateArgStr(context);
  const regEx = /\|\||\||\\\|/g;
  let match;
  while ((match = regEx.exec(argStr)) !== null) {
    argStr = replaceVert(argStr, match);
  }
  return "\\left\\langle{" + argStr + "}\\right\\rangle";
});
defineMacro("\\Set", function(context) {
  let argStr = recreateArgStr(context);
  const match = /\|\||\||\\\|/.exec(argStr);
  if (match) {
    argStr = replaceVert(argStr, match);
  }
  return "\\left\\{\\:{" + argStr + "}\\:\\right\\}";
});
defineMacro("\\set", function(context) {
  const argStr = recreateArgStr(context);
  return "\\{{" + argStr.replace(/\|/, "}\\mid{") + "}\\}";
});
defineMacro("\\angln", "{\\angl n}");
defineMacro("\\odv", "\\@ifstar\\odv@next\\odv@numerator");
defineMacro("\\odv@numerator", "\\frac{\\mathrm{d}#1}{\\mathrm{d}#2}");
defineMacro("\\odv@next", "\\frac{\\mathrm{d}}{\\mathrm{d}#2}#1");
defineMacro("\\pdv", "\\@ifstar\\pdv@next\\pdv@numerator");
var pdvHelper = (args) => {
  const numerator = args[0][0].text;
  const denoms = stringFromArg(args[1]).split(",");
  const power = String(denoms.length);
  const numOp = power === "1" ? "\\partial" : `\\partial^${power}`;
  let denominator = "";
  denoms.map((e) => {
    denominator += "\\partial " + e.trim() + "\\,";
  });
  return [numerator, numOp, denominator.replace(/\\,$/, "")];
};
defineMacro("\\pdv@numerator", function(context) {
  const [numerator, numOp, denominator] = pdvHelper(context.consumeArgs(2));
  return `\\frac{${numOp} ${numerator}}{${denominator}}`;
});
defineMacro("\\pdv@next", function(context) {
  const [numerator, numOp, denominator] = pdvHelper(context.consumeArgs(2));
  return `\\frac{${numOp}}{${denominator}} ${numerator}`;
});
defineMacro("\\upalpha", "\\up@greek{\\alpha}");
defineMacro("\\upbeta", "\\up@greek{\\beta}");
defineMacro("\\upgamma", "\\up@greek{\\gamma}");
defineMacro("\\updelta", "\\up@greek{\\delta}");
defineMacro("\\upepsilon", "\\up@greek{\\epsilon}");
defineMacro("\\upzeta", "\\up@greek{\\zeta}");
defineMacro("\\upeta", "\\up@greek{\\eta}");
defineMacro("\\uptheta", "\\up@greek{\\theta}");
defineMacro("\\upiota", "\\up@greek{\\iota}");
defineMacro("\\upkappa", "\\up@greek{\\kappa}");
defineMacro("\\uplambda", "\\up@greek{\\lambda}");
defineMacro("\\upmu", "\\up@greek{\\mu}");
defineMacro("\\upnu", "\\up@greek{\\nu}");
defineMacro("\\upxi", "\\up@greek{\\xi}");
defineMacro("\\upomicron", "\\up@greek{\\omicron}");
defineMacro("\\uppi", "\\up@greek{\\pi}");
defineMacro("\\upalpha", "\\up@greek{\\alpha}");
defineMacro("\\uprho", "\\up@greek{\\rho}");
defineMacro("\\upsigma", "\\up@greek{\\sigma}");
defineMacro("\\uptau", "\\up@greek{\\tau}");
defineMacro("\\upupsilon", "\\up@greek{\\upsilon}");
defineMacro("\\upphi", "\\up@greek{\\phi}");
defineMacro("\\upchi", "\\up@greek{\\chi}");
defineMacro("\\uppsi", "\\up@greek{\\psi}");
defineMacro("\\upomega", "\\up@greek{\\omega}");
defineMacro("\\invamp", '\\mathbin{\\char"214b}');
defineMacro("\\parr", '\\mathbin{\\char"214b}');
defineMacro("\\with", '\\mathbin{\\char"26}');
defineMacro("\\multimapinv", '\\mathrel{\\char"27dc}');
defineMacro("\\multimapboth", '\\mathrel{\\char"29df}');
defineMacro("\\scoh", '{\\mkern5mu\\char"2322\\mkern5mu}');
defineMacro("\\sincoh", '{\\mkern5mu\\char"2323\\mkern5mu}');
defineMacro("\\coh", `{\\mkern5mu\\rule{}{0.7em}\\mathrlap{\\smash{\\raise2mu{\\char"2322}}}
{\\smash{\\lower4mu{\\char"2323}}}\\mkern5mu}`);
defineMacro("\\incoh", `{\\mkern5mu\\rule{}{0.7em}\\mathrlap{\\smash{\\raise2mu{\\char"2323}}}
{\\smash{\\lower4mu{\\char"2322}}}\\mkern5mu}`);
defineMacro("\\standardstate", "\\text{\\tiny\\char`\u29B5}");
defineMacro("\\ce", function(context) {
  return chemParse(context.consumeArgs(1)[0], "ce");
});
defineMacro("\\pu", function(context) {
  return chemParse(context.consumeArgs(1)[0], "pu");
});
defineMacro("\\uniDash", `{\\rule{0.672em}{0.06em}}`);
defineMacro("\\triDash", `{\\rule{0.15em}{0.06em}\\kern2mu\\rule{0.15em}{0.06em}\\kern2mu\\rule{0.15em}{0.06em}}`);
defineMacro("\\tripleDash", `\\kern0.075em\\raise0.25em{\\triDash}\\kern0.075em`);
defineMacro("\\tripleDashOverLine", `\\kern0.075em\\mathrlap{\\raise0.125em{\\uniDash}}\\raise0.34em{\\triDash}\\kern0.075em`);
defineMacro("\\tripleDashOverDoubleLine", `\\kern0.075em\\mathrlap{\\mathrlap{\\raise0.48em{\\triDash}}\\raise0.27em{\\uniDash}}{\\raise0.05em{\\uniDash}}\\kern0.075em`);
defineMacro("\\tripleDashBetweenDoubleLine", `\\kern0.075em\\mathrlap{\\mathrlap{\\raise0.48em{\\uniDash}}\\raise0.27em{\\triDash}}{\\raise0.05em{\\uniDash}}\\kern0.075em`);
var chemParse = function(tokens, stateMachine) {
  var str = "";
  var expectedLoc = tokens.length && tokens[tokens.length - 1].loc.start;
  for (var i = tokens.length - 1; i >= 0; i--) {
    if (tokens[i].loc.start > expectedLoc) {
      str += " ";
      expectedLoc = tokens[i].loc.start;
    }
    str += tokens[i].text;
    expectedLoc += tokens[i].text.length;
  }
  var tex = texify.go(mhchemParser.go(str, stateMachine));
  return tex;
};
var mhchemParser = {
  //
  // Parses mchem \ce syntax
  //
  // Call like
  //   go("H2O");
  //
  go: function(input, stateMachine) {
    if (!input) {
      return [];
    }
    if (stateMachine === void 0) {
      stateMachine = "ce";
    }
    var state = "0";
    var buffer = {};
    buffer["parenthesisLevel"] = 0;
    input = input.replace(/\n/g, " ");
    input = input.replace(/[\u2212\u2013\u2014\u2010]/g, "-");
    input = input.replace(/[\u2026]/g, "...");
    var lastInput;
    var watchdog = 10;
    var output = [];
    while (true) {
      if (lastInput !== input) {
        watchdog = 10;
        lastInput = input;
      } else {
        watchdog--;
      }
      var machine = mhchemParser.stateMachines[stateMachine];
      var t = machine.transitions[state] || machine.transitions["*"];
      iterateTransitions:
        for (var i = 0; i < t.length; i++) {
          var matches = mhchemParser.patterns.match_(t[i].pattern, input);
          if (matches) {
            var task = t[i].task;
            for (var iA = 0; iA < task.action_.length; iA++) {
              var o;
              if (machine.actions[task.action_[iA].type_]) {
                o = machine.actions[task.action_[iA].type_](buffer, matches.match_, task.action_[iA].option);
              } else if (mhchemParser.actions[task.action_[iA].type_]) {
                o = mhchemParser.actions[task.action_[iA].type_](buffer, matches.match_, task.action_[iA].option);
              } else {
                throw ["MhchemBugA", "mhchem bug A. Please report. (" + task.action_[iA].type_ + ")"];
              }
              mhchemParser.concatArray(output, o);
            }
            state = task.nextState || state;
            if (input.length > 0) {
              if (!task.revisit) {
                input = matches.remainder;
              }
              if (!task.toContinue) {
                break iterateTransitions;
              }
            } else {
              return output;
            }
          }
        }
      if (watchdog <= 0) {
        throw ["MhchemBugU", "mhchem bug U. Please report."];
      }
    }
  },
  concatArray: function(a, b) {
    if (b) {
      if (Array.isArray(b)) {
        for (var iB = 0; iB < b.length; iB++) {
          a.push(b[iB]);
        }
      } else {
        a.push(b);
      }
    }
  },
  patterns: {
    //
    // Matching patterns
    // either regexps or function that return null or {match_:"a", remainder:"bc"}
    //
    patterns: {
      // property names must not look like integers ("2") for correct property traversal order, later on
      "empty": /^$/,
      "else": /^./,
      "else2": /^./,
      "space": /^\s/,
      "space A": /^\s(?=[A-Z\\$])/,
      "space$": /^\s$/,
      "a-z": /^[a-z]/,
      "x": /^x/,
      "x$": /^x$/,
      "i$": /^i$/,
      "letters": /^(?:[a-zA-Z\u03B1-\u03C9\u0391-\u03A9?@]|(?:\\(?:alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega|Gamma|Delta|Theta|Lambda|Xi|Pi|Sigma|Upsilon|Phi|Psi|Omega)(?:\s+|\{\}|(?![a-zA-Z]))))+/,
      "\\greek": /^\$?:alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega|Gamma|Delta|Theta|Lambda|Xi|Pi|Sigma|Upsilon|Phi|Psi|Omega)(?:\s+|\{\}|(?![a-zA-Z]))/,
      "one lowercase latin letter $": /^(?:([a-z])(?:$|[^a-zA-Z]))$/,
      "$one lowercase latin letter$ $": /^\$(?:([a-z])(?:$|[^a-zA-Z]))\$$/,
      "one lowercase greek letter $": /^(?:\$?[\u03B1-\u03C9]\$?|\$?\\(?:alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega)\s*\$?)(?:\s+|\{\}|(?![a-zA-Z]))$/,
      "digits": /^[0-9]+/,
      "-9.,9": /^[+\-]?(?:[0-9]+(?:[,.][0-9]+)?|[0-9]*(?:\.[0-9]+))/,
      "-9.,9 no missing 0": /^[+\-]?[0-9]+(?:[.,][0-9]+)?/,
      "(-)(9.,9)(e)(99)": function(input) {
        var m = input.match(/^(\+\-|\+\/\-|\+|\-|\\pm\s?)?([0-9]+(?:[,.][0-9]+)?|[0-9]*(?:\.[0-9]+))?(\((?:[0-9]+(?:[,.][0-9]+)?|[0-9]*(?:\.[0-9]+))$)?(?:([eE]|\s*(\*|x|\\times|\u00D7)\s*10\^)([+\-]?[0-9]+|\{[+\-]?[0-9]+\}))?/);
        if (m && m[0]) {
          return { match_: m.splice(1), remainder: input.substr(m[0].length) };
        }
        return null;
      },
      "(-)(9)^(-9)": function(input) {
        var m = input.match(/^(\+\-|\+\/\-|\+|\-|\\pm\s?)?([0-9]+(?:[,.][0-9]+)?|[0-9]*(?:\.[0-9]+)?)\^([+\-]?[0-9]+|\{[+\-]?[0-9]+\})/);
        if (m && m[0]) {
          return { match_: m.splice(1), remainder: input.substr(m[0].length) };
        }
        return null;
      },
      "state of aggregation $": function(input) {
        var a = mhchemParser.patterns.findObserveGroups(input, "", /^$[a-z]{1,3}(?=[$,])/, ")", "");
        if (a && a.remainder.match(/^($|[\s,;\)\]\}])/)) {
          return a;
        }
        var m = input.match(/^(?:$(?:\\ca\s?)?\$[amothc]\$$)/);
        if (m) {
          return { match_: m[0], remainder: input.substr(m[0].length) };
        }
        return null;
      },
      "_{(state of aggregation)}$": /^_\{($[a-z]{1,3}$)\}/,
      "{[(": /^(?:\\\{|\[|$)/,
      ")]}": /^(?:$|\]|\\\})/,
      ", ": /^[,;]\s*/,
      ",": /^[,;]/,
      ".": /^[.]/,
      ". ": /^([.\u22C5\u00B7\u2022])\s*/,
      "...": /^\.\.\.(?=$|[^.])/,
      "* ": /^([*])\s*/,
      "^{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "^{", "", "", "}");
      },
      "^($...$)": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "^", "$", "$", "");
      },
      "^a": /^\^([0-9]+|[^\\_])/,
      "^\\x{}{}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "^", /^\\[a-zA-Z]+\{/, "}", "", "", "{", "}", "", true);
      },
      "^\\x{}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "^", /^\\[a-zA-Z]+\{/, "}", "");
      },
      "^\\x": /^\^(\\[a-zA-Z]+)\s*/,
      "^(-1)": /^\^(-?\d+)/,
      "'": /^'/,
      "_{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "_{", "", "", "}");
      },
      "_($...$)": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "_", "$", "$", "");
      },
      "_9": /^_([+\-]?[0-9]+|[^\\])/,
      "_\\x{}{}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "_", /^\\[a-zA-Z]+\{/, "}", "", "", "{", "}", "", true);
      },
      "_\\x{}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "_", /^\\[a-zA-Z]+\{/, "}", "");
      },
      "_\\x": /^_(\\[a-zA-Z]+)\s*/,
      "^_": /^(?:\^(?=_)|\_(?=\^)|[\^_]$)/,
      "{}": /^\{\}/,
      "{...}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "", "{", "}", "");
      },
      "{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "{", "", "", "}");
      },
      "$...$": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "", "$", "$", "");
      },
      "${(...)}$": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "${", "", "", "}$");
      },
      "$(...)$": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "$", "", "", "$");
      },
      "=<>": /^[=<>]/,
      "#": /^[#\u2261]/,
      "+": /^\+/,
      "-$": /^-(?=[\s_},;\]/]|$|$[a-z]+$)/,
      // -space -, -; -] -/ -$ -state-of-aggregation
      "-9": /^-(?=[0-9])/,
      "- orbital overlap": /^-(?=(?:[spd]|sp)(?:$|[\s,;\)\]\}]))/,
      "-": /^-/,
      "pm-operator": /^(?:\\pm|\$\\pm\$|\+-|\+\/-)/,
      "operator": /^(?:\+|(?:[\-=<>]|<<|>>|\\approx|\$\\approx\$)(?=\s|$|-?[0-9]))/,
      "arrowUpDown": /^(?:v|$v$|\^|$\^$)(?=$|[\s,;\)\]\}])/,
      "\\bond{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\bond{", "", "", "}");
      },
      "->": /^(?:<->|<-->|->|<-|<=>>|<<=>|<=>|[\u2192\u27F6\u21CC])/,
      "CMT": /^[CMT](?=\[)/,
      "[(...)]": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "[", "", "", "]");
      },
      "1st-level escape": /^(&|\\\\|\\hline)\s*/,
      "\\,": /^(?:\\[,\ ;:])/,
      // \\x - but output no space before
      "\\x{}{}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "", /^\\[a-zA-Z]+\{/, "}", "", "", "{", "}", "", true);
      },
      "\\x{}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "", /^\\[a-zA-Z]+\{/, "}", "");
      },
      "\\ca": /^\\ca(?:\s+|(?![a-zA-Z]))/,
      "\\x": /^(?:\\[a-zA-Z]+\s*|\\[_&{}%])/,
      "orbital": /^(?:[0-9]{1,2}[spdfgh]|[0-9]{0,2}sp)(?=$|[^a-zA-Z])/,
      // only those with numbers in front, because the others will be formatted correctly anyway
      "others": /^[\/~|]/,
      "\\frac{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\frac{", "", "", "}", "{", "", "", "}");
      },
      "\\overset{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\overset{", "", "", "}", "{", "", "", "}");
      },
      "\\underset{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\underset{", "", "", "}", "{", "", "", "}");
      },
      "\\underbrace{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\underbrace{", "", "", "}_", "{", "", "", "}");
      },
      "\\color{(...)}0": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\color{", "", "", "}");
      },
      "\\color{(...)}{(...)}1": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\color{", "", "", "}", "{", "", "", "}");
      },
      "\\color(...){(...)}2": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\color", "\\", "", /^(?=\{)/, "{", "", "", "}");
      },
      "\\ce{(...)}": function(input) {
        return mhchemParser.patterns.findObserveGroups(input, "\\ce{", "", "", "}");
      },
      "oxidation$": /^(?:[+-][IVX]+|\\pm\s*0|\$\\pm\$\s*0)$/,
      "d-oxidation$": /^(?:[+-]?\s?[IVX]+|\\pm\s*0|\$\\pm\$\s*0)$/,
      // 0 could be oxidation or charge
      "roman numeral": /^[IVX]+/,
      "1/2$": /^[+\-]?(?:[0-9]+|\$[a-z]\$|[a-z])\/[0-9]+(?:\$[a-z]\$|[a-z])?$/,
      "amount": function(input) {
        var match;
        match = input.match(/^(?:(?:(?:$[+\-]?[0-9]+\/[0-9]+$|[+\-]?(?:[0-9]+|\$[a-z]\$|[a-z])\/[0-9]+|[+\-]?[0-9]+[.,][0-9]+|[+\-]?\.[0-9]+|[+\-]?[0-9]+)(?:[a-z](?=\s*[A-Z]))?)|[+\-]?[a-z](?=\s*[A-Z])|\+(?!\s))/);
        if (match) {
          return { match_: match[0], remainder: input.substr(match[0].length) };
        }
        var a = mhchemParser.patterns.findObserveGroups(input, "", "$", "$", "");
        if (a) {
          match = a.match_.match(/^\$(?:$?[+\-]?(?:[0-9]*[a-z]?[+\-])?[0-9]*[a-z](?:[+\-][0-9]*[a-z]?)?$?|\+|-)\$$/);
          if (match) {
            return { match_: match[0], remainder: input.substr(match[0].length) };
          }
        }
        return null;
      },
      "amount2": function(input) {
        return this["amount"](input);
      },
      "(KV letters),": /^(?:[A-Z][a-z]{0,2}|i)(?=,)/,
      "formula$": function(input) {
        if (input.match(/^$[a-z]+$$/)) {
          return null;
        }
        var match = input.match(/^(?:[a-z]|(?:[0-9\ \+\-\,\.]+[a-z])+[0-9\ \+\-\,\.]*|(?:[a-z][0-9\ \+\-\,\.]+)+[a-z]?)$/);
        if (match) {
          return { match_: match[0], remainder: input.substr(match[0].length) };
        }
        return null;
      },
      "uprightEntities": /^(?:pH|pOH|pC|pK|iPr|iBu)(?=$|[^a-zA-Z])/,
      "/": /^\s*(\/)\s*/,
      "//": /^\s*(\/\/)\s*/,
      "*": /^\s*[*.]\s*/
    },
    findObserveGroups: function(input, begExcl, begIncl, endIncl, endExcl, beg2Excl, beg2Incl, end2Incl, end2Excl, combine) {
      var _match = function(input2, pattern) {
        if (typeof pattern === "string") {
          if (input2.indexOf(pattern) !== 0) {
            return null;
          }
          return pattern;
        } else {
          var match2 = input2.match(pattern);
          if (!match2) {
            return null;
          }
          return match2[0];
        }
      };
      var _findObserveGroups = function(input2, i, endChars) {
        var braces = 0;
        while (i < input2.length) {
          var a = input2.charAt(i);
          var match2 = _match(input2.substr(i), endChars);
          if (match2 !== null && braces === 0) {
            return { endMatchBegin: i, endMatchEnd: i + match2.length };
          } else if (a === "{") {
            braces++;
          } else if (a === "}") {
            if (braces === 0) {
              throw ["ExtraCloseMissingOpen", "Extra close brace or missing open brace"];
            } else {
              braces--;
            }
          }
          i++;
        }
        if (braces > 0) {
          return null;
        }
        return null;
      };
      var match = _match(input, begExcl);
      if (match === null) {
        return null;
      }
      input = input.substr(match.length);
      match = _match(input, begIncl);
      if (match === null) {
        return null;
      }
      var e = _findObserveGroups(input, match.length, endIncl || endExcl);
      if (e === null) {
        return null;
      }
      var match1 = input.substring(0, endIncl ? e.endMatchEnd : e.endMatchBegin);
      if (!(beg2Excl || beg2Incl)) {
        return {
          match_: match1,
          remainder: input.substr(e.endMatchEnd)
        };
      } else {
        var group2 = this.findObserveGroups(input.substr(e.endMatchEnd), beg2Excl, beg2Incl, end2Incl, end2Excl);
        if (group2 === null) {
          return null;
        }
        var matchRet = [match1, group2.match_];
        return {
          match_: combine ? matchRet.join("") : matchRet,
          remainder: group2.remainder
        };
      }
    },
    //
    // Matching function
    // e.g. match("a", input) will look for the regexp called "a" and see if it matches
    // returns null or {match_:"a", remainder:"bc"}
    //
    match_: function(m, input) {
      var pattern = mhchemParser.patterns.patterns[m];
      if (pattern === void 0) {
        throw ["MhchemBugP", "mhchem bug P. Please report. (" + m + ")"];
      } else if (typeof pattern === "function") {
        return mhchemParser.patterns.patterns[m](input);
      } else {
        var match = input.match(pattern);
        if (match) {
          var mm;
          if (match[2]) {
            mm = [match[1], match[2]];
          } else if (match[1]) {
            mm = match[1];
          } else {
            mm = match[0];
          }
          return { match_: mm, remainder: input.substr(match[0].length) };
        }
        return null;
      }
    }
  },
  //
  // Generic state machine actions
  //
  actions: {
    "a=": function(buffer, m) {
      buffer.a = (buffer.a || "") + m;
    },
    "b=": function(buffer, m) {
      buffer.b = (buffer.b || "") + m;
    },
    "p=": function(buffer, m) {
      buffer.p = (buffer.p || "") + m;
    },
    "o=": function(buffer, m) {
      buffer.o = (buffer.o || "") + m;
    },
    "q=": function(buffer, m) {
      buffer.q = (buffer.q || "") + m;
    },
    "d=": function(buffer, m) {
      buffer.d = (buffer.d || "") + m;
    },
    "rm=": function(buffer, m) {
      buffer.rm = (buffer.rm || "") + m;
    },
    "text=": function(buffer, m) {
      buffer.text_ = (buffer.text_ || "") + m;
    },
    "insert": function(buffer, m, a) {
      return { type_: a };
    },
    "insert+p1": function(buffer, m, a) {
      return { type_: a, p1: m };
    },
    "insert+p1+p2": function(buffer, m, a) {
      return { type_: a, p1: m[0], p2: m[1] };
    },
    "copy": function(buffer, m) {
      return m;
    },
    "rm": function(buffer, m) {
      return { type_: "rm", p1: m || "" };
    },
    "text": function(buffer, m) {
      return mhchemParser.go(m, "text");
    },
    "{text}": function(buffer, m) {
      var ret = ["{"];
      mhchemParser.concatArray(ret, mhchemParser.go(m, "text"));
      ret.push("}");
      return ret;
    },
    "tex-math": function(buffer, m) {
      return mhchemParser.go(m, "tex-math");
    },
    "tex-math tight": function(buffer, m) {
      return mhchemParser.go(m, "tex-math tight");
    },
    "bond": function(buffer, m, k) {
      return { type_: "bond", kind_: k || m };
    },
    "color0-output": function(buffer, m) {
      return { type_: "color0", color: m[0] };
    },
    "ce": function(buffer, m) {
      return mhchemParser.go(m);
    },
    "1/2": function(buffer, m) {
      var ret = [];
      if (m.match(/^[+\-]/)) {
        ret.push(m.substr(0, 1));
        m = m.substr(1);
      }
      var n = m.match(/^([0-9]+|\$[a-z]\$|[a-z])\/([0-9]+)(\$[a-z]\$|[a-z])?$/);
      n[1] = n[1].replace(/\$/g, "");
      ret.push({ type_: "frac", p1: n[1], p2: n[2] });
      if (n[3]) {
        n[3] = n[3].replace(/\$/g, "");
        ret.push({ type_: "tex-math", p1: n[3] });
      }
      return ret;
    },
    "9,9": function(buffer, m) {
      return mhchemParser.go(m, "9,9");
    }
  },
  //
  // createTransitions
  // convert  { 'letter': { 'state': { action_: 'output' } } }  to  { 'state' => [ { pattern: 'letter', task: { action_: [{type_: 'output'}] } } ] }
  // with expansion of 'a|b' to 'a' and 'b' (at 2 places)
  //
  createTransitions: function(o) {
    var pattern, state;
    var stateArray;
    var i;
    var transitions = {};
    for (pattern in o) {
      for (state in o[pattern]) {
        stateArray = state.split("|");
        o[pattern][state].stateArray = stateArray;
        for (i = 0; i < stateArray.length; i++) {
          transitions[stateArray[i]] = [];
        }
      }
    }
    for (pattern in o) {
      for (state in o[pattern]) {
        stateArray = o[pattern][state].stateArray || [];
        for (i = 0; i < stateArray.length; i++) {
          var p = o[pattern][state];
          if (p.action_) {
            p.action_ = [].concat(p.action_);
            for (var k = 0; k < p.action_.length; k++) {
              if (typeof p.action_[k] === "string") {
                p.action_[k] = { type_: p.action_[k] };
              }
            }
          } else {
            p.action_ = [];
          }
          var patternArray = pattern.split("|");
          for (var j = 0; j < patternArray.length; j++) {
            if (stateArray[i] === "*") {
              for (var t in transitions) {
                transitions[t].push({ pattern: patternArray[j], task: p });
              }
            } else {
              transitions[stateArray[i]].push({ pattern: patternArray[j], task: p });
            }
          }
        }
      }
    }
    return transitions;
  },
  stateMachines: {}
};
mhchemParser.stateMachines = {
  //
  // \ce state machines
  //
  //#region ce
  "ce": {
    // main parser
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": { action_: "output" }
      },
      "else": {
        "0|1|2": { action_: "beginsWithBond=false", revisit: true, toContinue: true }
      },
      "oxidation$": {
        "0": { action_: "oxidation-output" }
      },
      "CMT": {
        "r": { action_: "rdt=", nextState: "rt" },
        "rd": { action_: "rqt=", nextState: "rdt" }
      },
      "arrowUpDown": {
        "0|1|2|as": { action_: ["sb=false", "output", "operator"], nextState: "1" }
      },
      "uprightEntities": {
        "0|1|2": { action_: ["o=", "output"], nextState: "1" }
      },
      "orbital": {
        "0|1|2|3": { action_: "o=", nextState: "o" }
      },
      "->": {
        "0|1|2|3": { action_: "r=", nextState: "r" },
        "a|as": { action_: ["output", "r="], nextState: "r" },
        "*": { action_: ["output", "r="], nextState: "r" }
      },
      "+": {
        "o": { action_: "d= kv", nextState: "d" },
        "d|D": { action_: "d=", nextState: "d" },
        "q": { action_: "d=", nextState: "qd" },
        "qd|qD": { action_: "d=", nextState: "qd" },
        "dq": { action_: ["output", "d="], nextState: "d" },
        "3": { action_: ["sb=false", "output", "operator"], nextState: "0" }
      },
      "amount": {
        "0|2": { action_: "a=", nextState: "a" }
      },
      "pm-operator": {
        "0|1|2|a|as": { action_: ["sb=false", "output", { type_: "operator", option: "\\pm" }], nextState: "0" }
      },
      "operator": {
        "0|1|2|a|as": { action_: ["sb=false", "output", "operator"], nextState: "0" }
      },
      "-$": {
        "o|q": { action_: ["charge or bond", "output"], nextState: "qd" },
        "d": { action_: "d=", nextState: "d" },
        "D": { action_: ["output", { type_: "bond", option: "-" }], nextState: "3" },
        "q": { action_: "d=", nextState: "qd" },
        "qd": { action_: "d=", nextState: "qd" },
        "qD|dq": { action_: ["output", { type_: "bond", option: "-" }], nextState: "3" }
      },
      "-9": {
        "3|o": { action_: ["output", { type_: "insert", option: "hyphen" }], nextState: "3" }
      },
      "- orbital overlap": {
        "o": { action_: ["output", { type_: "insert", option: "hyphen" }], nextState: "2" },
        "d": { action_: ["output", { type_: "insert", option: "hyphen" }], nextState: "2" }
      },
      "-": {
        "0|1|2": { action_: [{ type_: "output", option: 1 }, "beginsWithBond=true", { type_: "bond", option: "-" }], nextState: "3" },
        "3": { action_: { type_: "bond", option: "-" } },
        "a": { action_: ["output", { type_: "insert", option: "hyphen" }], nextState: "2" },
        "as": { action_: [{ type_: "output", option: 2 }, { type_: "bond", option: "-" }], nextState: "3" },
        "b": { action_: "b=" },
        "o": { action_: { type_: "- after o/d", option: false }, nextState: "2" },
        "q": { action_: { type_: "- after o/d", option: false }, nextState: "2" },
        "d|qd|dq": { action_: { type_: "- after o/d", option: true }, nextState: "2" },
        "D|qD|p": { action_: ["output", { type_: "bond", option: "-" }], nextState: "3" }
      },
      "amount2": {
        "1|3": { action_: "a=", nextState: "a" }
      },
      "letters": {
        "0|1|2|3|a|as|b|p|bp|o": { action_: "o=", nextState: "o" },
        "q|dq": { action_: ["output", "o="], nextState: "o" },
        "d|D|qd|qD": { action_: "o after d", nextState: "o" }
      },
      "digits": {
        "o": { action_: "q=", nextState: "q" },
        "d|D": { action_: "q=", nextState: "dq" },
        "q": { action_: ["output", "o="], nextState: "o" },
        "a": { action_: "o=", nextState: "o" }
      },
      "space A": {
        "b|p|bp": {}
      },
      "space": {
        "a": { nextState: "as" },
        "0": { action_: "sb=false" },
        "1|2": { action_: "sb=true" },
        "r|rt|rd|rdt|rdq": { action_: "output", nextState: "0" },
        "*": { action_: ["output", "sb=true"], nextState: "1" }
      },
      "1st-level escape": {
        "1|2": { action_: ["output", { type_: "insert+p1", option: "1st-level escape" }] },
        "*": { action_: ["output", { type_: "insert+p1", option: "1st-level escape" }], nextState: "0" }
      },
      "[(...)]": {
        "r|rt": { action_: "rd=", nextState: "rd" },
        "rd|rdt": { action_: "rq=", nextState: "rdq" }
      },
      "...": {
        "o|d|D|dq|qd|qD": { action_: ["output", { type_: "bond", option: "..." }], nextState: "3" },
        "*": { action_: [{ type_: "output", option: 1 }, { type_: "insert", option: "ellipsis" }], nextState: "1" }
      },
      ". |* ": {
        "*": { action_: ["output", { type_: "insert", option: "addition compound" }], nextState: "1" }
      },
      "state of aggregation $": {
        "*": { action_: ["output", "state of aggregation"], nextState: "1" }
      },
      "{[(": {
        "a|as|o": { action_: ["o=", "output", "parenthesisLevel++"], nextState: "2" },
        "0|1|2|3": { action_: ["o=", "output", "parenthesisLevel++"], nextState: "2" },
        "*": { action_: ["output", "o=", "output", "parenthesisLevel++"], nextState: "2" }
      },
      ")]}": {
        "0|1|2|3|b|p|bp|o": { action_: ["o=", "parenthesisLevel--"], nextState: "o" },
        "a|as|d|D|q|qd|qD|dq": { action_: ["output", "o=", "parenthesisLevel--"], nextState: "o" }
      },
      ", ": {
        "*": { action_: ["output", "comma"], nextState: "0" }
      },
      "^_": {
        // ^ and _ without a sensible argument
        "*": {}
      },
      "^{(...)}|^($...$)": {
        "0|1|2|as": { action_: "b=", nextState: "b" },
        "p": { action_: "b=", nextState: "bp" },
        "3|o": { action_: "d= kv", nextState: "D" },
        "q": { action_: "d=", nextState: "qD" },
        "d|D|qd|qD|dq": { action_: ["output", "d="], nextState: "D" }
      },
      "^a|^\\x{}{}|^\\x{}|^\\x|'": {
        "0|1|2|as": { action_: "b=", nextState: "b" },
        "p": { action_: "b=", nextState: "bp" },
        "3|o": { action_: "d= kv", nextState: "d" },
        "q": { action_: "d=", nextState: "qd" },
        "d|qd|D|qD": { action_: "d=" },
        "dq": { action_: ["output", "d="], nextState: "d" }
      },
      "_{(state of aggregation)}$": {
        "d|D|q|qd|qD|dq": { action_: ["output", "q="], nextState: "q" }
      },
      "_{(...)}|_($...$)|_9|_\\x{}{}|_\\x{}|_\\x": {
        "0|1|2|as": { action_: "p=", nextState: "p" },
        "b": { action_: "p=", nextState: "bp" },
        "3|o": { action_: "q=", nextState: "q" },
        "d|D": { action_: "q=", nextState: "dq" },
        "q|qd|qD|dq": { action_: ["output", "q="], nextState: "q" }
      },
      "=<>": {
        "0|1|2|3|a|as|o|q|d|D|qd|qD|dq": { action_: [{ type_: "output", option: 2 }, "bond"], nextState: "3" }
      },
      "#": {
        "0|1|2|3|a|as|o": { action_: [{ type_: "output", option: 2 }, { type_: "bond", option: "#" }], nextState: "3" }
      },
      "{}": {
        "*": { action_: { type_: "output", option: 1 }, nextState: "1" }
      },
      "{...}": {
        "0|1|2|3|a|as|b|p|bp": { action_: "o=", nextState: "o" },
        "o|d|D|q|qd|qD|dq": { action_: ["output", "o="], nextState: "o" }
      },
      "$...$": {
        "a": { action_: "a=" },
        // 2$n$
        "0|1|2|3|as|b|p|bp|o": { action_: "o=", nextState: "o" },
        // not 'amount'
        "as|o": { action_: "o=" },
        "q|d|D|qd|qD|dq": { action_: ["output", "o="], nextState: "o" }
      },
      "\\bond{(...)}": {
        "*": { action_: [{ type_: "output", option: 2 }, "bond"], nextState: "3" }
      },
      "\\frac{(...)}": {
        "*": { action_: [{ type_: "output", option: 1 }, "frac-output"], nextState: "3" }
      },
      "\\overset{(...)}": {
        "*": { action_: [{ type_: "output", option: 2 }, "overset-output"], nextState: "3" }
      },
      "\\underset{(...)}": {
        "*": { action_: [{ type_: "output", option: 2 }, "underset-output"], nextState: "3" }
      },
      "\\underbrace{(...)}": {
        "*": { action_: [{ type_: "output", option: 2 }, "underbrace-output"], nextState: "3" }
      },
      "\\color{(...)}{(...)}1|\\color(...){(...)}2": {
        "*": { action_: [{ type_: "output", option: 2 }, "color-output"], nextState: "3" }
      },
      "\\color{(...)}0": {
        "*": { action_: [{ type_: "output", option: 2 }, "color0-output"] }
      },
      "\\ce{(...)}": {
        "*": { action_: [{ type_: "output", option: 2 }, "ce"], nextState: "3" }
      },
      "\\,": {
        "*": { action_: [{ type_: "output", option: 1 }, "copy"], nextState: "1" }
      },
      "\\x{}{}|\\x{}|\\x": {
        "0|1|2|3|a|as|b|p|bp|o|c0": { action_: ["o=", "output"], nextState: "3" },
        "*": { action_: ["output", "o=", "output"], nextState: "3" }
      },
      "others": {
        "*": { action_: [{ type_: "output", option: 1 }, "copy"], nextState: "3" }
      },
      "else2": {
        "a": { action_: "a to o", nextState: "o", revisit: true },
        "as": { action_: ["output", "sb=true"], nextState: "1", revisit: true },
        "r|rt|rd|rdt|rdq": { action_: ["output"], nextState: "0", revisit: true },
        "*": { action_: ["output", "copy"], nextState: "3" }
      }
    }),
    actions: {
      "o after d": function(buffer, m) {
        var ret;
        if ((buffer.d || "").match(/^[0-9]+$/)) {
          var tmp = buffer.d;
          buffer.d = void 0;
          ret = this["output"](buffer);
          buffer.b = tmp;
        } else {
          ret = this["output"](buffer);
        }
        mhchemParser.actions["o="](buffer, m);
        return ret;
      },
      "d= kv": function(buffer, m) {
        buffer.d = m;
        buffer.dType = "kv";
      },
      "charge or bond": function(buffer, m) {
        if (buffer["beginsWithBond"]) {
          var ret = [];
          mhchemParser.concatArray(ret, this["output"](buffer));
          mhchemParser.concatArray(ret, mhchemParser.actions["bond"](buffer, m, "-"));
          return ret;
        } else {
          buffer.d = m;
        }
      },
      "- after o/d": function(buffer, m, isAfterD) {
        var c1 = mhchemParser.patterns.match_("orbital", buffer.o || "");
        var c2 = mhchemParser.patterns.match_("one lowercase greek letter $", buffer.o || "");
        var c3 = mhchemParser.patterns.match_("one lowercase latin letter $", buffer.o || "");
        var c4 = mhchemParser.patterns.match_("$one lowercase latin letter$ $", buffer.o || "");
        var hyphenFollows = m === "-" && (c1 && c1.remainder === "" || c2 || c3 || c4);
        if (hyphenFollows && !buffer.a && !buffer.b && !buffer.p && !buffer.d && !buffer.q && !c1 && c3) {
          buffer.o = "$" + buffer.o + "$";
        }
        var ret = [];
        if (hyphenFollows) {
          mhchemParser.concatArray(ret, this["output"](buffer));
          ret.push({ type_: "hyphen" });
        } else {
          c1 = mhchemParser.patterns.match_("digits", buffer.d || "");
          if (isAfterD && c1 && c1.remainder === "") {
            mhchemParser.concatArray(ret, mhchemParser.actions["d="](buffer, m));
            mhchemParser.concatArray(ret, this["output"](buffer));
          } else {
            mhchemParser.concatArray(ret, this["output"](buffer));
            mhchemParser.concatArray(ret, mhchemParser.actions["bond"](buffer, m, "-"));
          }
        }
        return ret;
      },
      "a to o": function(buffer) {
        buffer.o = buffer.a;
        buffer.a = void 0;
      },
      "sb=true": function(buffer) {
        buffer.sb = true;
      },
      "sb=false": function(buffer) {
        buffer.sb = false;
      },
      "beginsWithBond=true": function(buffer) {
        buffer["beginsWithBond"] = true;
      },
      "beginsWithBond=false": function(buffer) {
        buffer["beginsWithBond"] = false;
      },
      "parenthesisLevel++": function(buffer) {
        buffer["parenthesisLevel"]++;
      },
      "parenthesisLevel--": function(buffer) {
        buffer["parenthesisLevel"]--;
      },
      "state of aggregation": function(buffer, m) {
        return { type_: "state of aggregation", p1: mhchemParser.go(m, "o") };
      },
      "comma": function(buffer, m) {
        var a = m.replace(/\s*$/, "");
        var withSpace = a !== m;
        if (withSpace && buffer["parenthesisLevel"] === 0) {
          return { type_: "comma enumeration L", p1: a };
        } else {
          return { type_: "comma enumeration M", p1: a };
        }
      },
      "output": function(buffer, m, entityFollows) {
        var ret;
        if (!buffer.r) {
          ret = [];
          if (!buffer.a && !buffer.b && !buffer.p && !buffer.o && !buffer.q && !buffer.d && !entityFollows) {
          } else {
            if (buffer.sb) {
              ret.push({ type_: "entitySkip" });
            }
            if (!buffer.o && !buffer.q && !buffer.d && !buffer.b && !buffer.p && entityFollows !== 2) {
              buffer.o = buffer.a;
              buffer.a = void 0;
            } else if (!buffer.o && !buffer.q && !buffer.d && (buffer.b || buffer.p)) {
              buffer.o = buffer.a;
              buffer.d = buffer.b;
              buffer.q = buffer.p;
              buffer.a = buffer.b = buffer.p = void 0;
            } else {
              if (buffer.o && buffer.dType === "kv" && mhchemParser.patterns.match_("d-oxidation$", buffer.d || "")) {
                buffer.dType = "oxidation";
              } else if (buffer.o && buffer.dType === "kv" && !buffer.q) {
                buffer.dType = void 0;
              }
            }
            ret.push({
              type_: "chemfive",
              a: mhchemParser.go(buffer.a, "a"),
              b: mhchemParser.go(buffer.b, "bd"),
              p: mhchemParser.go(buffer.p, "pq"),
              o: mhchemParser.go(buffer.o, "o"),
              q: mhchemParser.go(buffer.q, "pq"),
              d: mhchemParser.go(buffer.d, buffer.dType === "oxidation" ? "oxidation" : "bd"),
              dType: buffer.dType
            });
          }
        } else {
          var rd;
          if (buffer.rdt === "M") {
            rd = mhchemParser.go(buffer.rd, "tex-math");
          } else if (buffer.rdt === "T") {
            rd = [{ type_: "text", p1: buffer.rd || "" }];
          } else {
            rd = mhchemParser.go(buffer.rd);
          }
          var rq;
          if (buffer.rqt === "M") {
            rq = mhchemParser.go(buffer.rq, "tex-math");
          } else if (buffer.rqt === "T") {
            rq = [{ type_: "text", p1: buffer.rq || "" }];
          } else {
            rq = mhchemParser.go(buffer.rq);
          }
          ret = {
            type_: "arrow",
            r: buffer.r,
            rd,
            rq
          };
        }
        for (var p in buffer) {
          if (p !== "parenthesisLevel" && p !== "beginsWithBond") {
            delete buffer[p];
          }
        }
        return ret;
      },
      "oxidation-output": function(buffer, m) {
        var ret = ["{"];
        mhchemParser.concatArray(ret, mhchemParser.go(m, "oxidation"));
        ret.push("}");
        return ret;
      },
      "frac-output": function(buffer, m) {
        return { type_: "frac-ce", p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) };
      },
      "overset-output": function(buffer, m) {
        return { type_: "overset", p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) };
      },
      "underset-output": function(buffer, m) {
        return { type_: "underset", p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) };
      },
      "underbrace-output": function(buffer, m) {
        return { type_: "underbrace", p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) };
      },
      "color-output": function(buffer, m) {
        return { type_: "color", color1: m[0], color2: mhchemParser.go(m[1]) };
      },
      "r=": function(buffer, m) {
        buffer.r = m;
      },
      "rdt=": function(buffer, m) {
        buffer.rdt = m;
      },
      "rd=": function(buffer, m) {
        buffer.rd = m;
      },
      "rqt=": function(buffer, m) {
        buffer.rqt = m;
      },
      "rq=": function(buffer, m) {
        buffer.rq = m;
      },
      "operator": function(buffer, m, p1) {
        return { type_: "operator", kind_: p1 || m };
      }
    }
  },
  "a": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": {}
      },
      "1/2$": {
        "0": { action_: "1/2" }
      },
      "else": {
        "0": { nextState: "1", revisit: true }
      },
      "$(...)$": {
        "*": { action_: "tex-math tight", nextState: "1" }
      },
      ",": {
        "*": { action_: { type_: "insert", option: "commaDecimal" } }
      },
      "else2": {
        "*": { action_: "copy" }
      }
    }),
    actions: {}
  },
  "o": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": {}
      },
      "1/2$": {
        "0": { action_: "1/2" }
      },
      "else": {
        "0": { nextState: "1", revisit: true }
      },
      "letters": {
        "*": { action_: "rm" }
      },
      "\\ca": {
        "*": { action_: { type_: "insert", option: "circa" } }
      },
      "\\x{}{}|\\x{}|\\x": {
        "*": { action_: "copy" }
      },
      "${(...)}$|$(...)$": {
        "*": { action_: "tex-math" }
      },
      "{(...)}": {
        "*": { action_: "{text}" }
      },
      "else2": {
        "*": { action_: "copy" }
      }
    }),
    actions: {}
  },
  "text": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": { action_: "output" }
      },
      "{...}": {
        "*": { action_: "text=" }
      },
      "${(...)}$|$(...)$": {
        "*": { action_: "tex-math" }
      },
      "\\greek": {
        "*": { action_: ["output", "rm"] }
      },
      "\\,|\\x{}{}|\\x{}|\\x": {
        "*": { action_: ["output", "copy"] }
      },
      "else": {
        "*": { action_: "text=" }
      }
    }),
    actions: {
      "output": function(buffer) {
        if (buffer.text_) {
          var ret = { type_: "text", p1: buffer.text_ };
          for (var p in buffer) {
            delete buffer[p];
          }
          return ret;
        }
      }
    }
  },
  "pq": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": {}
      },
      "state of aggregation $": {
        "*": { action_: "state of aggregation" }
      },
      "i$": {
        "0": { nextState: "!f", revisit: true }
      },
      "(KV letters),": {
        "0": { action_: "rm", nextState: "0" }
      },
      "formula$": {
        "0": { nextState: "f", revisit: true }
      },
      "1/2$": {
        "0": { action_: "1/2" }
      },
      "else": {
        "0": { nextState: "!f", revisit: true }
      },
      "${(...)}$|$(...)$": {
        "*": { action_: "tex-math" }
      },
      "{(...)}": {
        "*": { action_: "text" }
      },
      "a-z": {
        "f": { action_: "tex-math" }
      },
      "letters": {
        "*": { action_: "rm" }
      },
      "-9.,9": {
        "*": { action_: "9,9" }
      },
      ",": {
        "*": { action_: { type_: "insert+p1", option: "comma enumeration S" } }
      },
      "\\color{(...)}{(...)}1|\\color(...){(...)}2": {
        "*": { action_: "color-output" }
      },
      "\\color{(...)}0": {
        "*": { action_: "color0-output" }
      },
      "\\ce{(...)}": {
        "*": { action_: "ce" }
      },
      "\\,|\\x{}{}|\\x{}|\\x": {
        "*": { action_: "copy" }
      },
      "else2": {
        "*": { action_: "copy" }
      }
    }),
    actions: {
      "state of aggregation": function(buffer, m) {
        return { type_: "state of aggregation subscript", p1: mhchemParser.go(m, "o") };
      },
      "color-output": function(buffer, m) {
        return { type_: "color", color1: m[0], color2: mhchemParser.go(m[1], "pq") };
      }
    }
  },
  "bd": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": {}
      },
      "x$": {
        "0": { nextState: "!f", revisit: true }
      },
      "formula$": {
        "0": { nextState: "f", revisit: true }
      },
      "else": {
        "0": { nextState: "!f", revisit: true }
      },
      "-9.,9 no missing 0": {
        "*": { action_: "9,9" }
      },
      ".": {
        "*": { action_: { type_: "insert", option: "electron dot" } }
      },
      "a-z": {
        "f": { action_: "tex-math" }
      },
      "x": {
        "*": { action_: { type_: "insert", option: "KV x" } }
      },
      "letters": {
        "*": { action_: "rm" }
      },
      "'": {
        "*": { action_: { type_: "insert", option: "prime" } }
      },
      "${(...)}$|$(...)$": {
        "*": { action_: "tex-math" }
      },
      "{(...)}": {
        "*": { action_: "text" }
      },
      "\\color{(...)}{(...)}1|\\color(...){(...)}2": {
        "*": { action_: "color-output" }
      },
      "\\color{(...)}0": {
        "*": { action_: "color0-output" }
      },
      "\\ce{(...)}": {
        "*": { action_: "ce" }
      },
      "\\,|\\x{}{}|\\x{}|\\x": {
        "*": { action_: "copy" }
      },
      "else2": {
        "*": { action_: "copy" }
      }
    }),
    actions: {
      "color-output": function(buffer, m) {
        return { type_: "color", color1: m[0], color2: mhchemParser.go(m[1], "bd") };
      }
    }
  },
  "oxidation": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": {}
      },
      "roman numeral": {
        "*": { action_: "roman-numeral" }
      },
      "${(...)}$|$(...)$": {
        "*": { action_: "tex-math" }
      },
      "else": {
        "*": { action_: "copy" }
      }
    }),
    actions: {
      "roman-numeral": function(buffer, m) {
        return { type_: "roman numeral", p1: m || "" };
      }
    }
  },
  "tex-math": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": { action_: "output" }
      },
      "\\ce{(...)}": {
        "*": { action_: ["output", "ce"] }
      },
      "{...}|\\,|\\x{}{}|\\x{}|\\x": {
        "*": { action_: "o=" }
      },
      "else": {
        "*": { action_: "o=" }
      }
    }),
    actions: {
      "output": function(buffer) {
        if (buffer.o) {
          var ret = { type_: "tex-math", p1: buffer.o };
          for (var p in buffer) {
            delete buffer[p];
          }
          return ret;
        }
      }
    }
  },
  "tex-math tight": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": { action_: "output" }
      },
      "\\ce{(...)}": {
        "*": { action_: ["output", "ce"] }
      },
      "{...}|\\,|\\x{}{}|\\x{}|\\x": {
        "*": { action_: "o=" }
      },
      "-|+": {
        "*": { action_: "tight operator" }
      },
      "else": {
        "*": { action_: "o=" }
      }
    }),
    actions: {
      "tight operator": function(buffer, m) {
        buffer.o = (buffer.o || "") + "{" + m + "}";
      },
      "output": function(buffer) {
        if (buffer.o) {
          var ret = { type_: "tex-math", p1: buffer.o };
          for (var p in buffer) {
            delete buffer[p];
          }
          return ret;
        }
      }
    }
  },
  "9,9": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": {}
      },
      ",": {
        "*": { action_: "comma" }
      },
      "else": {
        "*": { action_: "copy" }
      }
    }),
    actions: {
      "comma": function() {
        return { type_: "commaDecimal" };
      }
    }
  },
  //#endregion
  //
  // \pu state machines
  //
  //#region pu
  "pu": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": { action_: "output" }
      },
      "space$": {
        "*": { action_: ["output", "space"] }
      },
      "{[(|)]}": {
        "0|a": { action_: "copy" }
      },
      "(-)(9)^(-9)": {
        "0": { action_: "number^", nextState: "a" }
      },
      "(-)(9.,9)(e)(99)": {
        "0": { action_: "enumber", nextState: "a" }
      },
      "space": {
        "0|a": {}
      },
      "pm-operator": {
        "0|a": { action_: { type_: "operator", option: "\\pm" }, nextState: "0" }
      },
      "operator": {
        "0|a": { action_: "copy", nextState: "0" }
      },
      "//": {
        "d": { action_: "o=", nextState: "/" }
      },
      "/": {
        "d": { action_: "o=", nextState: "/" }
      },
      "{...}|else": {
        "0|d": { action_: "d=", nextState: "d" },
        "a": { action_: ["space", "d="], nextState: "d" },
        "/|q": { action_: "q=", nextState: "q" }
      }
    }),
    actions: {
      "enumber": function(buffer, m) {
        var ret = [];
        if (m[0] === "+-" || m[0] === "+/-") {
          ret.push("\\pm ");
        } else if (m[0]) {
          ret.push(m[0]);
        }
        if (m[1]) {
          mhchemParser.concatArray(ret, mhchemParser.go(m[1], "pu-9,9"));
          if (m[2]) {
            if (m[2].match(/[,.]/)) {
              mhchemParser.concatArray(ret, mhchemParser.go(m[2], "pu-9,9"));
            } else {
              ret.push(m[2]);
            }
          }
          m[3] = m[4] || m[3];
          if (m[3]) {
            m[3] = m[3].trim();
            if (m[3] === "e" || m[3].substr(0, 1) === "*") {
              ret.push({ type_: "cdot" });
            } else {
              ret.push({ type_: "times" });
            }
          }
        }
        if (m[3]) {
          ret.push("10^{" + m[5] + "}");
        }
        return ret;
      },
      "number^": function(buffer, m) {
        var ret = [];
        if (m[0] === "+-" || m[0] === "+/-") {
          ret.push("\\pm ");
        } else if (m[0]) {
          ret.push(m[0]);
        }
        mhchemParser.concatArray(ret, mhchemParser.go(m[1], "pu-9,9"));
        ret.push("^{" + m[2] + "}");
        return ret;
      },
      "operator": function(buffer, m, p1) {
        return { type_: "operator", kind_: p1 || m };
      },
      "space": function() {
        return { type_: "pu-space-1" };
      },
      "output": function(buffer) {
        var ret;
        var md = mhchemParser.patterns.match_("{(...)}", buffer.d || "");
        if (md && md.remainder === "") {
          buffer.d = md.match_;
        }
        var mq = mhchemParser.patterns.match_("{(...)}", buffer.q || "");
        if (mq && mq.remainder === "") {
          buffer.q = mq.match_;
        }
        if (buffer.d) {
          buffer.d = buffer.d.replace(/\u00B0C|\^oC|\^{o}C/g, "{}^{\\circ}C");
          buffer.d = buffer.d.replace(/\u00B0F|\^oF|\^{o}F/g, "{}^{\\circ}F");
        }
        if (buffer.q) {
          buffer.q = buffer.q.replace(/\u00B0C|\^oC|\^{o}C/g, "{}^{\\circ}C");
          buffer.q = buffer.q.replace(/\u00B0F|\^oF|\^{o}F/g, "{}^{\\circ}F");
          var b5 = {
            d: mhchemParser.go(buffer.d, "pu"),
            q: mhchemParser.go(buffer.q, "pu")
          };
          if (buffer.o === "//") {
            ret = { type_: "pu-frac", p1: b5.d, p2: b5.q };
          } else {
            ret = b5.d;
            if (b5.d.length > 1 || b5.q.length > 1) {
              ret.push({ type_: " / " });
            } else {
              ret.push({ type_: "/" });
            }
            mhchemParser.concatArray(ret, b5.q);
          }
        } else {
          ret = mhchemParser.go(buffer.d, "pu-2");
        }
        for (var p in buffer) {
          delete buffer[p];
        }
        return ret;
      }
    }
  },
  "pu-2": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "*": { action_: "output" }
      },
      "*": {
        "*": { action_: ["output", "cdot"], nextState: "0" }
      },
      "\\x": {
        "*": { action_: "rm=" }
      },
      "space": {
        "*": { action_: ["output", "space"], nextState: "0" }
      },
      "^{(...)}|^(-1)": {
        "1": { action_: "^(-1)" }
      },
      "-9.,9": {
        "0": { action_: "rm=", nextState: "0" },
        "1": { action_: "^(-1)", nextState: "0" }
      },
      "{...}|else": {
        "*": { action_: "rm=", nextState: "1" }
      }
    }),
    actions: {
      "cdot": function() {
        return { type_: "tight cdot" };
      },
      "^(-1)": function(buffer, m) {
        buffer.rm += "^{" + m + "}";
      },
      "space": function() {
        return { type_: "pu-space-2" };
      },
      "output": function(buffer) {
        var ret = [];
        if (buffer.rm) {
          var mrm = mhchemParser.patterns.match_("{(...)}", buffer.rm || "");
          if (mrm && mrm.remainder === "") {
            ret = mhchemParser.go(mrm.match_, "pu");
          } else {
            ret = { type_: "rm", p1: buffer.rm };
          }
        }
        for (var p in buffer) {
          delete buffer[p];
        }
        return ret;
      }
    }
  },
  "pu-9,9": {
    transitions: mhchemParser.createTransitions({
      "empty": {
        "0": { action_: "output-0" },
        "o": { action_: "output-o" }
      },
      ",": {
        "0": { action_: ["output-0", "comma"], nextState: "o" }
      },
      ".": {
        "0": { action_: ["output-0", "copy"], nextState: "o" }
      },
      "else": {
        "*": { action_: "text=" }
      }
    }),
    actions: {
      "comma": function() {
        return { type_: "commaDecimal" };
      },
      "output-0": function(buffer) {
        var ret = [];
        buffer.text_ = buffer.text_ || "";
        if (buffer.text_.length > 4) {
          var a = buffer.text_.length % 3;
          if (a === 0) {
            a = 3;
          }
          for (var i = buffer.text_.length - 3; i > 0; i -= 3) {
            ret.push(buffer.text_.substr(i, 3));
            ret.push({ type_: "1000 separator" });
          }
          ret.push(buffer.text_.substr(0, a));
          ret.reverse();
        } else {
          ret.push(buffer.text_);
        }
        for (var p in buffer) {
          delete buffer[p];
        }
        return ret;
      },
      "output-o": function(buffer) {
        var ret = [];
        buffer.text_ = buffer.text_ || "";
        if (buffer.text_.length > 4) {
          var a = buffer.text_.length - 3;
          for (var i = 0; i < a; i += 3) {
            ret.push(buffer.text_.substr(i, 3));
            ret.push({ type_: "1000 separator" });
          }
          ret.push(buffer.text_.substr(i));
        } else {
          ret.push(buffer.text_);
        }
        for (var p in buffer) {
          delete buffer[p];
        }
        return ret;
      }
    }
  }
  //#endregion
};
var texify = {
  go: function(input, isInner) {
    if (!input) {
      return "";
    }
    var res = "";
    var cee = false;
    for (var i = 0; i < input.length; i++) {
      var inputi = input[i];
      if (typeof inputi === "string") {
        res += inputi;
      } else {
        res += texify._go2(inputi);
        if (inputi.type_ === "1st-level escape") {
          cee = true;
        }
      }
    }
    if (!isInner && !cee && res) {
      res = "{" + res + "}";
    }
    return res;
  },
  _goInner: function(input) {
    if (!input) {
      return input;
    }
    return texify.go(input, true);
  },
  _go2: function(buf) {
    var res;
    switch (buf.type_) {
      case "chemfive":
        res = "";
        var b5 = {
          a: texify._goInner(buf.a),
          b: texify._goInner(buf.b),
          p: texify._goInner(buf.p),
          o: texify._goInner(buf.o),
          q: texify._goInner(buf.q),
          d: texify._goInner(buf.d)
        };
        if (b5.a) {
          if (b5.a.match(/^[+\-]/)) {
            b5.a = "{" + b5.a + "}";
          }
          res += b5.a + "\\,";
        }
        if (b5.b || b5.p) {
          res += "{\\vphantom{X}}";
          res += "^{\\hphantom{" + (b5.b || "") + "}}_{\\hphantom{" + (b5.p || "") + "}}";
          res += "{\\vphantom{X}}";
          res += "^{\\vphantom{2}\\mathllap{" + (b5.b || "") + "}}";
          res += "_{\\vphantom{2}\\mathllap{" + (b5.p || "") + "}}";
        }
        if (b5.o) {
          if (b5.o.match(/^[+\-]/)) {
            b5.o = "{" + b5.o + "}";
          }
          res += b5.o;
        }
        if (buf.dType === "kv") {
          if (b5.d || b5.q) {
            res += "{\\vphantom{X}}";
          }
          if (b5.d) {
            res += "^{" + b5.d + "}";
          }
          if (b5.q) {
            res += "_{" + b5.q + "}";
          }
        } else if (buf.dType === "oxidation") {
          if (b5.d) {
            res += "{\\vphantom{X}}";
            res += "^{" + b5.d + "}";
          }
          if (b5.q) {
            res += "{{}}";
            res += "_{" + b5.q + "}";
          }
        } else {
          if (b5.q) {
            res += "{{}}";
            res += "_{" + b5.q + "}";
          }
          if (b5.d) {
            res += "{{}}";
            res += "^{" + b5.d + "}";
          }
        }
        break;
      case "rm":
        res = "\\mathrm{" + buf.p1 + "}";
        break;
      case "text":
        if (buf.p1.match(/[\^_]/)) {
          buf.p1 = buf.p1.replace(" ", "~").replace("-", "\\text{-}");
          res = "\\mathrm{" + buf.p1 + "}";
        } else {
          res = "\\text{" + buf.p1 + "}";
        }
        break;
      case "roman numeral":
        res = "\\mathrm{" + buf.p1 + "}";
        break;
      case "state of aggregation":
        res = "\\mskip2mu " + texify._goInner(buf.p1);
        break;
      case "state of aggregation subscript":
        res = "\\mskip1mu " + texify._goInner(buf.p1);
        break;
      case "bond":
        res = texify._getBond(buf.kind_);
        if (!res) {
          throw ["MhchemErrorBond", "mhchem Error. Unknown bond type (" + buf.kind_ + ")"];
        }
        break;
      case "frac":
        var c = "\\frac{" + buf.p1 + "}{" + buf.p2 + "}";
        res = "\\mathchoice{\\textstyle" + c + "}{" + c + "}{" + c + "}{" + c + "}";
        break;
      case "pu-frac":
        var d = "\\frac{" + texify._goInner(buf.p1) + "}{" + texify._goInner(buf.p2) + "}";
        res = "\\mathchoice{\\textstyle" + d + "}{" + d + "}{" + d + "}{" + d + "}";
        break;
      case "tex-math":
        res = buf.p1 + " ";
        break;
      case "frac-ce":
        res = "\\frac{" + texify._goInner(buf.p1) + "}{" + texify._goInner(buf.p2) + "}";
        break;
      case "overset":
        res = "\\overset{" + texify._goInner(buf.p1) + "}{" + texify._goInner(buf.p2) + "}";
        break;
      case "underset":
        res = "\\underset{" + texify._goInner(buf.p1) + "}{" + texify._goInner(buf.p2) + "}";
        break;
      case "underbrace":
        res = "\\underbrace{" + texify._goInner(buf.p1) + "}_{" + texify._goInner(buf.p2) + "}";
        break;
      case "color":
        res = "{\\color{" + buf.color1 + "}{" + texify._goInner(buf.color2) + "}}";
        break;
      case "color0":
        res = "\\color{" + buf.color + "}";
        break;
      case "arrow":
        var b6 = {
          rd: texify._goInner(buf.rd),
          rq: texify._goInner(buf.rq)
        };
        var arrow = texify._getArrow(buf.r);
        if (b6.rq) {
          arrow += "[{\\rm " + b6.rq + "}]";
        }
        if (b6.rd) {
          arrow += "{\\rm " + b6.rd + "}";
        } else {
          arrow += "{}";
        }
        res = arrow;
        break;
      case "operator":
        res = texify._getOperator(buf.kind_);
        break;
      case "1st-level escape":
        res = buf.p1 + " ";
        break;
      case "space":
        res = " ";
        break;
      case "entitySkip":
        res = "~";
        break;
      case "pu-space-1":
        res = "~";
        break;
      case "pu-space-2":
        res = "\\mkern3mu ";
        break;
      case "1000 separator":
        res = "\\mkern2mu ";
        break;
      case "commaDecimal":
        res = "{,}";
        break;
      case "comma enumeration L":
        res = "{" + buf.p1 + "}\\mkern6mu ";
        break;
      case "comma enumeration M":
        res = "{" + buf.p1 + "}\\mkern3mu ";
        break;
      case "comma enumeration S":
        res = "{" + buf.p1 + "}\\mkern1mu ";
        break;
      case "hyphen":
        res = "\\text{-}";
        break;
      case "addition compound":
        res = "\\,{\\cdot}\\,";
        break;
      case "electron dot":
        res = "\\mkern1mu \\text{\\textbullet}\\mkern1mu ";
        break;
      case "KV x":
        res = "{\\times}";
        break;
      case "prime":
        res = "\\prime ";
        break;
      case "cdot":
        res = "\\cdot ";
        break;
      case "tight cdot":
        res = "\\mkern1mu{\\cdot}\\mkern1mu ";
        break;
      case "times":
        res = "\\times ";
        break;
      case "circa":
        res = "{\\sim}";
        break;
      case "^":
        res = "uparrow";
        break;
      case "v":
        res = "downarrow";
        break;
      case "ellipsis":
        res = "\\ldots ";
        break;
      case "/":
        res = "/";
        break;
      case " / ":
        res = "\\,/\\,";
        break;
      default:
        assertNever(buf);
        throw ["MhchemBugT", "mhchem bug T. Please report."];
    }
    assertString(res);
    return res;
  },
  _getArrow: function(a) {
    switch (a) {
      case "->":
        return "\\yields";
      case "\u2192":
        return "\\yields";
      case "\u27F6":
        return "\\yields";
      case "<-":
        return "\\yieldsLeft";
      case "<->":
        return "\\mesomerism";
      case "<-->":
        return "\\yieldsLeftRight";
      case "<=>":
        return "\\equilibrium";
      case "\u21CC":
        return "\\equilibrium";
      case "<=>>":
        return "\\equilibriumRight";
      case "<<=>":
        return "\\equilibriumLeft";
      default:
        assertNever(a);
        throw ["MhchemBugT", "mhchem bug T. Please report."];
    }
  },
  _getBond: function(a) {
    switch (a) {
      case "-":
        return "{-}";
      case "1":
        return "{-}";
      case "=":
        return "{=}";
      case "2":
        return "{=}";
      case "#":
        return "{\\equiv}";
      case "3":
        return "{\\equiv}";
      case "~":
        return "{\\tripleDash}";
      case "~-":
        return "{\\tripleDashOverLine}";
      case "~=":
        return "{\\tripleDashOverDoubleLine}";
      case "~--":
        return "{\\tripleDashOverDoubleLine}";
      case "-~-":
        return "{\\tripleDashBetweenDoubleLine}";
      case "...":
        return "{{\\cdot}{\\cdot}{\\cdot}}";
      case "....":
        return "{{\\cdot}{\\cdot}{\\cdot}{\\cdot}}";
      case "->":
        return "{\\rightarrow}";
      case "<-":
        return "{\\leftarrow}";
      case "<":
        return "{<}";
      case ">":
        return "{>}";
      default:
        assertNever(a);
        throw ["MhchemBugT", "mhchem bug T. Please report."];
    }
  },
  _getOperator: function(a) {
    switch (a) {
      case "+":
        return " {}+{} ";
      case "-":
        return " {}-{} ";
      case "=":
        return " {}={} ";
      case "<":
        return " {}<{} ";
      case ">":
        return " {}>{} ";
      case "<<":
        return " {}\\ll{} ";
      case ">>":
        return " {}\\gg{} ";
      case "\\pm":
        return " {}\\pm{} ";
      case "\\approx":
        return " {}\\approx{} ";
      case "$\\approx$":
        return " {}\\approx{} ";
      case "v":
        return " \\downarrow{} ";
      case "(v)":
        return " \\downarrow{} ";
      case "^":
        return " \\uparrow{} ";
      case "(^)":
        return " \\uparrow{} ";
      default:
        assertNever(a);
        throw ["MhchemBugT", "mhchem bug T. Please report."];
    }
  }
};
function assertNever(a) {
}
function assertString(a) {
}
defineMacro("\\darr", "\\downarrow");
defineMacro("\\dArr", "\\Downarrow");
defineMacro("\\Darr", "\\Downarrow");
defineMacro("\\lang", "\\langle");
defineMacro("\\rang", "\\rangle");
defineMacro("\\uarr", "\\uparrow");
defineMacro("\\uArr", "\\Uparrow");
defineMacro("\\Uarr", "\\Uparrow");
defineMacro("\\N", "\\mathbb{N}");
defineMacro("\\R", "\\mathbb{R}");
defineMacro("\\Z", "\\mathbb{Z}");
defineMacro("\\alef", "\\aleph");
defineMacro("\\alefsym", "\\aleph");
defineMacro("\\bull", "\\bullet");
defineMacro("\\clubs", "\\clubsuit");
defineMacro("\\cnums", "\\mathbb{C}");
defineMacro("\\Complex", "\\mathbb{C}");
defineMacro("\\Dagger", "\\ddagger");
defineMacro("\\diamonds", "\\diamondsuit");
defineMacro("\\empty", "\\emptyset");
defineMacro("\\exist", "\\exists");
defineMacro("\\harr", "\\leftrightarrow");
defineMacro("\\hArr", "\\Leftrightarrow");
defineMacro("\\Harr", "\\Leftrightarrow");
defineMacro("\\hearts", "\\heartsuit");
defineMacro("\\image", "\\Im");
defineMacro("\\infin", "\\infty");
defineMacro("\\isin", "\\in");
defineMacro("\\larr", "\\leftarrow");
defineMacro("\\lArr", "\\Leftarrow");
defineMacro("\\Larr", "\\Leftarrow");
defineMacro("\\lrarr", "\\leftrightarrow");
defineMacro("\\lrArr", "\\Leftrightarrow");
defineMacro("\\Lrarr", "\\Leftrightarrow");
defineMacro("\\natnums", "\\mathbb{N}");
defineMacro("\\plusmn", "\\pm");
defineMacro("\\rarr", "\\rightarrow");
defineMacro("\\rArr", "\\Rightarrow");
defineMacro("\\Rarr", "\\Rightarrow");
defineMacro("\\real", "\\Re");
defineMacro("\\reals", "\\mathbb{R}");
defineMacro("\\Reals", "\\mathbb{R}");
defineMacro("\\sdot", "\\cdot");
defineMacro("\\sect", "\\S");
defineMacro("\\spades", "\\spadesuit");
defineMacro("\\sub", "\\subset");
defineMacro("\\sube", "\\subseteq");
defineMacro("\\supe", "\\supseteq");
defineMacro("\\thetasym", "\\vartheta");
defineMacro("\\weierp", "\\wp");
defineMacro("\\quantity", "{\\left\\{ #1 \\right\\}}");
defineMacro("\\qty", "{\\left\\{ #1 \\right\\}}");
defineMacro("\\pqty", "{\\left( #1 \\right)}");
defineMacro("\\bqty", "{\\left[ #1 \\right]}");
defineMacro("\\vqty", "{\\left\\vert #1 \\right\\vert}");
defineMacro("\\Bqty", "{\\left\\{ #1 \\right\\}}");
defineMacro("\\absolutevalue", "{\\left\\vert #1 \\right\\vert}");
defineMacro("\\abs", "{\\left\\vert #1 \\right\\vert}");
defineMacro("\\norm", "{\\left\\Vert #1 \\right\\Vert}");
defineMacro("\\evaluated", "{\\left.#1 \\right\\vert}");
defineMacro("\\eval", "{\\left.#1 \\right\\vert}");
defineMacro("\\order", "{\\mathcal{O} \\left( #1 \\right)}");
defineMacro("\\commutator", "{\\left[ #1 , #2 \\right]}");
defineMacro("\\comm", "{\\left[ #1 , #2 \\right]}");
defineMacro("\\anticommutator", "{\\left\\{ #1 , #2 \\right\\}}");
defineMacro("\\acomm", "{\\left\\{ #1 , #2 \\right\\}}");
defineMacro("\\poissonbracket", "{\\left\\{ #1 , #2 \\right\\}}");
defineMacro("\\pb", "{\\left\\{ #1 , #2 \\right\\}}");
defineMacro("\\vectorbold", "{\\boldsymbol{ #1 }}");
defineMacro("\\vb", "{\\boldsymbol{ #1 }}");
defineMacro("\\vectorarrow", "{\\vec{\\boldsymbol{ #1 }}}");
defineMacro("\\va", "{\\vec{\\boldsymbol{ #1 }}}");
defineMacro("\\vectorunit", "{{\\boldsymbol{\\hat{ #1 }}}}");
defineMacro("\\vu", "{{\\boldsymbol{\\hat{ #1 }}}}");
defineMacro("\\dotproduct", "\\mathbin{\\boldsymbol\\cdot}");
defineMacro("\\vdot", "{\\boldsymbol\\cdot}");
defineMacro("\\crossproduct", "\\mathbin{\\boldsymbol\\times}");
defineMacro("\\cross", "\\mathbin{\\boldsymbol\\times}");
defineMacro("\\cp", "\\mathbin{\\boldsymbol\\times}");
defineMacro("\\gradient", "{\\boldsymbol\\nabla}");
defineMacro("\\grad", "{\\boldsymbol\\nabla}");
defineMacro("\\divergence", "{\\grad\\vdot}");
defineMacro("\\curl", "{\\grad\\cross}");
defineMacro("\\laplacian", "\\nabla^2");
defineMacro("\\tr", "{\\operatorname{tr}}");
defineMacro("\\Tr", "{\\operatorname{Tr}}");
defineMacro("\\rank", "{\\operatorname{rank}}");
defineMacro("\\erf", "{\\operatorname{erf}}");
defineMacro("\\Res", "{\\operatorname{Res}}");
defineMacro("\\principalvalue", "{\\mathcal{P}}");
defineMacro("\\pv", "{\\mathcal{P}}");
defineMacro("\\PV", "{\\operatorname{P.V.}}");
defineMacro("\\qqtext", "{\\quad\\text{ #1 }\\quad}");
defineMacro("\\qq", "{\\quad\\text{ #1 }\\quad}");
defineMacro("\\qcomma", "{\\text{,}\\quad}");
defineMacro("\\qc", "{\\text{,}\\quad}");
defineMacro("\\qcc", "{\\quad\\text{c.c.}\\quad}");
defineMacro("\\qif", "{\\quad\\text{if}\\quad}");
defineMacro("\\qthen", "{\\quad\\text{then}\\quad}");
defineMacro("\\qelse", "{\\quad\\text{else}\\quad}");
defineMacro("\\qotherwise", "{\\quad\\text{otherwise}\\quad}");
defineMacro("\\qunless", "{\\quad\\text{unless}\\quad}");
defineMacro("\\qgiven", "{\\quad\\text{given}\\quad}");
defineMacro("\\qusing", "{\\quad\\text{using}\\quad}");
defineMacro("\\qassume", "{\\quad\\text{assume}\\quad}");
defineMacro("\\qsince", "{\\quad\\text{since}\\quad}");
defineMacro("\\qlet", "{\\quad\\text{let}\\quad}");
defineMacro("\\qfor", "{\\quad\\text{for}\\quad}");
defineMacro("\\qall", "{\\quad\\text{all}\\quad}");
defineMacro("\\qeven", "{\\quad\\text{even}\\quad}");
defineMacro("\\qodd", "{\\quad\\text{odd}\\quad}");
defineMacro("\\qinteger", "{\\quad\\text{integer}\\quad}");
defineMacro("\\qand", "{\\quad\\text{and}\\quad}");
defineMacro("\\qor", "{\\quad\\text{or}\\quad}");
defineMacro("\\qas", "{\\quad\\text{as}\\quad}");
defineMacro("\\qin", "{\\quad\\text{in}\\quad}");
defineMacro("\\differential", "{\\text{d}}");
defineMacro("\\dd", "{\\text{d}}");
defineMacro("\\derivative", "{\\frac{\\text{d}{ #1 }}{\\text{d}{ #2 }}}");
defineMacro("\\dv", "{\\frac{\\text{d}{ #1 }}{\\text{d}{ #2 }}}");
defineMacro("\\partialderivative", "{\\frac{\\partial{ #1 }}{\\partial{ #2 }}}");
defineMacro("\\variation", "{\\delta}");
defineMacro("\\var", "{\\delta}");
defineMacro("\\functionalderivative", "{\\frac{\\delta{ #1 }}{\\delta{ #2 }}}");
defineMacro("\\fdv", "{\\frac{\\delta{ #1 }}{\\delta{ #2 }}}");
defineMacro("\\innerproduct", "{\\left\\langle {#1} \\mid { #2} \\right\\rangle}");
defineMacro(
  "\\outerproduct",
  "{\\left\\vert { #1 } \\right\\rangle\\left\\langle { #2} \\right\\vert}"
);
defineMacro(
  "\\dyad",
  "{\\left\\vert { #1 } \\right\\rangle\\left\\langle { #2} \\right\\vert}"
);
defineMacro(
  "\\ketbra",
  "{\\left\\vert { #1 } \\right\\rangle\\left\\langle { #2} \\right\\vert}"
);
defineMacro(
  "\\op",
  "{\\left\\vert { #1 } \\right\\rangle\\left\\langle { #2} \\right\\vert}"
);
defineMacro("\\expectationvalue", "{\\left\\langle {#1 } \\right\\rangle}");
defineMacro("\\expval", "{\\left\\langle {#1 } \\right\\rangle}");
defineMacro("\\ev", "{\\left\\langle {#1 } \\right\\rangle}");
defineMacro(
  "\\matrixelement",
  "{\\left\\langle{ #1 }\\right\\vert{ #2 }\\left\\vert{#3}\\right\\rangle}"
);
defineMacro(
  "\\matrixel",
  "{\\left\\langle{ #1 }\\right\\vert{ #2 }\\left\\vert{#3}\\right\\rangle}"
);
defineMacro(
  "\\mel",
  "{\\left\\langle{ #1 }\\right\\vert{ #2 }\\left\\vert{#3}\\right\\rangle}"
);
function getHLines(parser) {
  const hlineInfo = [];
  parser.consumeSpaces();
  let nxt = parser.fetch().text;
  if (nxt === "\\relax") {
    parser.consume();
    parser.consumeSpaces();
    nxt = parser.fetch().text;
  }
  while (nxt === "\\hline" || nxt === "\\hdashline") {
    parser.consume();
    hlineInfo.push(nxt === "\\hdashline");
    parser.consumeSpaces();
    nxt = parser.fetch().text;
  }
  return hlineInfo;
}
var validateAmsEnvironmentContext = (context) => {
  const settings = context.parser.settings;
  if (!settings.displayMode) {
    throw new ParseError(`{${context.envName}} can be used only in display mode.`);
  }
};
var sizeRegEx$1 = /([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/;
var arrayGaps = (macros2) => {
  let arraystretch = macros2.get("\\arraystretch");
  if (typeof arraystretch !== "string") {
    arraystretch = stringFromArg(arraystretch.tokens);
  }
  arraystretch = isNaN(arraystretch) ? null : Number(arraystretch);
  let arraycolsepStr = macros2.get("\\arraycolsep");
  if (typeof arraycolsepStr !== "string") {
    arraycolsepStr = stringFromArg(arraycolsepStr.tokens);
  }
  const match = sizeRegEx$1.exec(arraycolsepStr);
  const arraycolsep = match ? { number: +(match[1] + match[2]), unit: match[3] } : null;
  return [arraystretch, arraycolsep];
};
var checkCellForLabels = (cell) => {
  let rowLabel = "";
  for (let i = 0; i < cell.length; i++) {
    if (cell[i].type === "label") {
      if (rowLabel) {
        throw new ParseError("Multiple \\labels in one row");
      }
      rowLabel = cell[i].string;
    }
  }
  return rowLabel;
};
function getAutoTag(name) {
  if (name.indexOf("ed") === -1) {
    return name.indexOf("*") === -1;
  }
}
function parseArray(parser, {
  cols,
  // [{ type: string , align: l|c|r|null }]
  envClasses,
  // align(ed|at|edat) | array | cases | cd | small | multline
  autoTag,
  // boolean
  singleRow,
  // boolean
  emptySingleRow,
  // boolean
  maxNumCols,
  // number
  leqno,
  // boolean
  arraystretch,
  // number  | null
  arraycolsep
  // size value | null
}, scriptLevel2) {
  parser.gullet.beginGroup();
  if (!singleRow) {
    parser.gullet.macros.set("\\cr", "\\\\\\relax");
  }
  parser.gullet.beginGroup();
  let row = [];
  const body = [row];
  const rowGaps = [];
  const labels = [];
  const hLinesBeforeRow = [];
  const tags = autoTag != null ? [] : void 0;
  function beginRow() {
    if (autoTag) {
      parser.gullet.macros.set("\\@eqnsw", "1", true);
    }
  }
  function endRow() {
    if (tags) {
      if (parser.gullet.macros.get("\\df@tag")) {
        tags.push(parser.subparse([new Token("\\df@tag")]));
        parser.gullet.macros.set("\\df@tag", void 0, true);
      } else {
        tags.push(Boolean(autoTag) && parser.gullet.macros.get("\\@eqnsw") === "1");
      }
    }
  }
  beginRow();
  hLinesBeforeRow.push(getHLines(parser));
  while (true) {
    let cell = parser.parseExpression(false, singleRow ? "\\end" : "\\\\");
    parser.gullet.endGroup();
    parser.gullet.beginGroup();
    cell = {
      type: "ordgroup",
      mode: parser.mode,
      body: cell,
      semisimple: true
    };
    row.push(cell);
    const next = parser.fetch().text;
    if (next === "&") {
      if (maxNumCols && row.length === maxNumCols) {
        if (envClasses.includes("array")) {
          if (parser.settings.strict) {
            throw new ParseError(
              "Too few columns specified in the {array} column argument.",
              parser.nextToken
            );
          }
        } else if (maxNumCols === 2) {
          throw new ParseError(
            "The split environment accepts no more than two columns",
            parser.nextToken
          );
        } else {
          throw new ParseError(
            "The equation environment accepts only one column",
            parser.nextToken
          );
        }
      }
      parser.consume();
    } else if (next === "\\end") {
      endRow();
      if (row.length === 1 && cell.body.length === 0 && (body.length > 1 || !emptySingleRow)) {
        body.pop();
      }
      labels.push(checkCellForLabels(cell.body));
      if (hLinesBeforeRow.length < body.length + 1) {
        hLinesBeforeRow.push([]);
      }
      break;
    } else if (next === "\\\\") {
      parser.consume();
      let size;
      if (parser.gullet.future().text !== " ") {
        size = parser.parseSizeGroup(true);
      }
      rowGaps.push(size ? size.value : null);
      endRow();
      labels.push(checkCellForLabels(cell.body));
      hLinesBeforeRow.push(getHLines(parser));
      row = [];
      body.push(row);
      beginRow();
    } else {
      throw new ParseError("Expected & or \\\\ or \\cr or \\end", parser.nextToken);
    }
  }
  parser.gullet.endGroup();
  parser.gullet.endGroup();
  return {
    type: "array",
    mode: parser.mode,
    body,
    cols,
    rowGaps,
    hLinesBeforeRow,
    envClasses,
    autoTag,
    scriptLevel: scriptLevel2,
    tags,
    labels,
    leqno,
    arraystretch,
    arraycolsep
  };
}
function dCellStyle(envName) {
  return envName.slice(0, 1) === "d" ? "display" : "text";
}
var alignMap = {
  c: "center ",
  l: "left ",
  r: "right "
};
var glue = (group) => {
  const glueNode = new mathMLTree.MathNode("mtd", []);
  glueNode.style = { padding: "0", width: "50%" };
  if (group.envClasses.includes("multline")) {
    glueNode.style.width = "7.5%";
  }
  return glueNode;
};
var mathmlBuilder$7 = function(group, style) {
  const tbl = [];
  const numRows = group.body.length;
  const hlines = group.hLinesBeforeRow;
  for (let i = 0; i < numRows; i++) {
    const rw = group.body[i];
    const row = [];
    const cellLevel = group.scriptLevel === "text" ? StyleLevel.TEXT : group.scriptLevel === "script" ? StyleLevel.SCRIPT : StyleLevel.DISPLAY;
    for (let j = 0; j < rw.length; j++) {
      const mtd = new mathMLTree.MathNode(
        "mtd",
        [buildGroup$1(rw[j], style.withLevel(cellLevel))]
      );
      if (group.envClasses.includes("multline")) {
        const align2 = i === 0 ? "left" : i === numRows - 1 ? "right" : "center";
        mtd.setAttribute("columnalign", align2);
        if (align2 !== "center") {
          mtd.classes.push("tml-" + align2);
        }
      }
      row.push(mtd);
    }
    const numColumns = group.body[0].length;
    for (let k = 0; k < numColumns - rw.length; k++) {
      row.push(new mathMLTree.MathNode("mtd", [], style));
    }
    if (group.autoTag) {
      const tag = group.tags[i];
      let tagElement;
      if (tag === true) {
        tagElement = new mathMLTree.MathNode("mtext", [new Span(["tml-eqn"])]);
      } else if (tag === false) {
        tagElement = new mathMLTree.MathNode("mtext", [], []);
      } else {
        tagElement = buildExpressionRow(tag[0].body, style.withLevel(cellLevel), true);
        tagElement = consolidateText(tagElement);
        tagElement.classes = ["tml-tag"];
      }
      if (tagElement) {
        row.unshift(glue(group));
        row.push(glue(group));
        if (group.leqno) {
          row[0].children.push(tagElement);
          row[0].classes.push("tml-left");
        } else {
          row[row.length - 1].children.push(tagElement);
          row[row.length - 1].classes.push("tml-right");
        }
      }
    }
    const mtr = new mathMLTree.MathNode("mtr", row, []);
    const label = group.labels.shift();
    if (label && group.tags && group.tags[i]) {
      mtr.setAttribute("id", label);
      if (Array.isArray(group.tags[i])) {
        mtr.classes.push("tml-tageqn");
      }
    }
    if (i === 0 && hlines[0].length > 0) {
      if (hlines[0].length === 2) {
        mtr.children.forEach((cell) => {
          cell.style.borderTop = "0.15em double";
        });
      } else {
        mtr.children.forEach((cell) => {
          cell.style.borderTop = hlines[0][0] ? "0.06em dashed" : "0.06em solid";
        });
      }
    }
    if (hlines[i + 1].length > 0) {
      if (hlines[i + 1].length === 2) {
        mtr.children.forEach((cell) => {
          cell.style.borderBottom = "0.15em double";
        });
      } else {
        mtr.children.forEach((cell) => {
          cell.style.borderBottom = hlines[i + 1][0] ? "0.06em dashed" : "0.06em solid";
        });
      }
    }
    tbl.push(mtr);
  }
  if (group.envClasses.length > 0) {
    if (group.arraystretch && group.arraystretch !== 1) {
      const pad = String(1.4 * group.arraystretch - 0.8) + "ex";
      for (let i = 0; i < tbl.length; i++) {
        for (let j = 0; j < tbl[i].children.length; j++) {
          tbl[i].children[j].style.paddingTop = pad;
          tbl[i].children[j].style.paddingBottom = pad;
        }
      }
    }
    let sidePadding = group.envClasses.includes("abut") ? "0" : group.envClasses.includes("cases") ? "0" : group.envClasses.includes("small") ? "0.1389" : group.envClasses.includes("cd") ? "0.25" : "0.4";
    let sidePadUnit = "em";
    if (group.arraycolsep) {
      const arraySidePad = calculateSize(group.arraycolsep, style);
      sidePadding = arraySidePad.number.toFixed(4);
      sidePadUnit = arraySidePad.unit;
    }
    const numCols = tbl.length === 0 ? 0 : tbl[0].children.length;
    const sidePad = (j, hand) => {
      if (j === 0 && hand === 0) {
        return "0";
      }
      if (j === numCols - 1 && hand === 1) {
        return "0";
      }
      if (group.envClasses[0] !== "align") {
        return sidePadding;
      }
      if (hand === 1) {
        return "0";
      }
      if (group.autoTag) {
        return j % 2 ? "1" : "0";
      } else {
        return j % 2 ? "0" : "1";
      }
    };
    for (let i = 0; i < tbl.length; i++) {
      for (let j = 0; j < tbl[i].children.length; j++) {
        tbl[i].children[j].style.paddingLeft = `${sidePad(j, 0)}${sidePadUnit}`;
        tbl[i].children[j].style.paddingRight = `${sidePad(j, 1)}${sidePadUnit}`;
      }
    }
    const align2 = group.envClasses.includes("align") || group.envClasses.includes("alignat");
    for (let i = 0; i < tbl.length; i++) {
      const row = tbl[i];
      if (align2) {
        for (let j = 0; j < row.children.length; j++) {
          row.children[j].classes = ["tml-" + (j % 2 ? "left" : "right")];
        }
        if (group.autoTag) {
          const k = group.leqno ? 0 : row.children.length - 1;
          row.children[k].classes = ["tml-" + (group.leqno ? "left" : "right")];
        }
      }
      if (row.children.length > 1 && group.envClasses.includes("cases")) {
        row.children[1].style.paddingLeft = "1em";
      }
      if (group.envClasses.includes("cases") || group.envClasses.includes("subarray")) {
        for (const cell of row.children) {
          cell.classes.push("tml-left");
        }
      }
    }
  } else {
    for (let i = 0; i < tbl.length; i++) {
      tbl[i].children[0].style.paddingLeft = "0em";
      if (tbl[i].children.length === tbl[0].children.length) {
        tbl[i].children[tbl[i].children.length - 1].style.paddingRight = "0em";
      }
    }
  }
  let table = new mathMLTree.MathNode("mtable", tbl);
  if (group.envClasses.length > 0) {
    if (group.envClasses.includes("jot")) {
      table.classes.push("tml-jot");
    } else if (group.envClasses.includes("small")) {
      table.classes.push("tml-small");
    }
  }
  if (group.scriptLevel === "display") {
    table.setAttribute("displaystyle", "true");
  }
  if (group.autoTag || group.envClasses.includes("multline")) {
    table.style.width = "100%";
  }
  let align = "";
  if (group.cols && group.cols.length > 0) {
    const cols = group.cols;
    let prevTypeWasAlign = false;
    let iStart = 0;
    let iEnd = cols.length;
    while (cols[iStart].type === "separator") {
      iStart += 1;
    }
    while (cols[iEnd - 1].type === "separator") {
      iEnd -= 1;
    }
    if (cols[0].type === "separator") {
      const sep = cols[1].type === "separator" ? "0.15em double" : cols[0].separator === "|" ? "0.06em solid " : "0.06em dashed ";
      for (const row of table.children) {
        row.children[0].style.borderLeft = sep;
      }
    }
    let iCol = group.autoTag ? 0 : -1;
    for (let i = iStart; i < iEnd; i++) {
      if (cols[i].type === "align") {
        const colAlign = alignMap[cols[i].align];
        align += colAlign;
        iCol += 1;
        for (const row of table.children) {
          if (colAlign.trim() !== "center" && iCol < row.children.length) {
            row.children[iCol].classes = ["tml-" + colAlign.trim()];
          }
        }
        prevTypeWasAlign = true;
      } else if (cols[i].type === "separator") {
        if (prevTypeWasAlign) {
          const sep = cols[i + 1].type === "separator" ? "0.15em double" : cols[i].separator === "|" ? "0.06em solid" : "0.06em dashed";
          for (const row of table.children) {
            if (iCol < row.children.length) {
              row.children[iCol].style.borderRight = sep;
            }
          }
        }
        prevTypeWasAlign = false;
      }
    }
    if (cols[cols.length - 1].type === "separator") {
      const sep = cols[cols.length - 2].type === "separator" ? "0.15em double" : cols[cols.length - 1].separator === "|" ? "0.06em solid" : "0.06em dashed";
      for (const row of table.children) {
        row.children[row.children.length - 1].style.borderRight = sep;
        row.children[row.children.length - 1].style.paddingRight = "0.4em";
      }
    }
  }
  if (group.autoTag) {
    align = "left " + (align.length > 0 ? align : "center ") + "right ";
  }
  if (align) {
    table.setAttribute("columnalign", align.trim());
  }
  if (group.envClasses.includes("small")) {
    table = new mathMLTree.MathNode("mstyle", [table]);
    table.setAttribute("scriptlevel", "1");
  }
  return table;
};
var alignedHandler = function(context, args) {
  if (context.envName.indexOf("ed") === -1) {
    validateAmsEnvironmentContext(context);
  }
  const isSplit = context.envName === "split";
  const cols = [];
  const res = parseArray(
    context.parser,
    {
      cols,
      emptySingleRow: true,
      autoTag: isSplit ? void 0 : getAutoTag(context.envName),
      envClasses: ["abut", "jot"],
      // set row spacing & provisional column spacing
      maxNumCols: context.envName === "split" ? 2 : void 0,
      leqno: context.parser.settings.leqno
    },
    "display"
  );
  let numMaths;
  let numCols = 0;
  const isAlignedAt = context.envName.indexOf("at") > -1;
  if (args[0] && isAlignedAt) {
    let arg0 = "";
    for (let i = 0; i < args[0].body.length; i++) {
      const textord2 = assertNodeType(args[0].body[i], "textord");
      arg0 += textord2.text;
    }
    if (isNaN(arg0)) {
      throw new ParseError("The alignat enviroment requires a numeric first argument.");
    }
    numMaths = Number(arg0);
    numCols = numMaths * 2;
  }
  res.body.forEach(function(row) {
    if (isAlignedAt) {
      const curMaths = row.length / 2;
      if (numMaths < curMaths) {
        throw new ParseError(
          `Too many math in a row: expected ${numMaths}, but got ${curMaths}`,
          row[0]
        );
      }
    } else if (numCols < row.length) {
      numCols = row.length;
    }
  });
  for (let i = 0; i < numCols; ++i) {
    let align = "r";
    if (i % 2 === 1) {
      align = "l";
    }
    cols[i] = {
      type: "align",
      align
    };
  }
  if (context.envName === "split") ;
  else if (isAlignedAt) {
    res.envClasses.push("alignat");
  } else {
    res.envClasses[0] = "align";
  }
  return res;
};
defineEnvironment({
  type: "array",
  names: ["array", "darray"],
  props: {
    numArgs: 1
  },
  handler(context, args) {
    const symNode = checkSymbolNodeType(args[0]);
    const colalign = symNode ? [args[0]] : assertNodeType(args[0], "ordgroup").body;
    const cols = colalign.map(function(nde) {
      const node = assertSymbolNodeType(nde);
      const ca = node.text;
      if ("lcr".indexOf(ca) !== -1) {
        return {
          type: "align",
          align: ca
        };
      } else if (ca === "|") {
        return {
          type: "separator",
          separator: "|"
        };
      } else if (ca === ":") {
        return {
          type: "separator",
          separator: ":"
        };
      }
      throw new ParseError("Unknown column alignment: " + ca, nde);
    });
    const [arraystretch, arraycolsep] = arrayGaps(context.parser.gullet.macros);
    const res = {
      cols,
      envClasses: ["array"],
      maxNumCols: cols.length,
      arraystretch,
      arraycolsep
    };
    return parseArray(context.parser, res, dCellStyle(context.envName));
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: [
    "matrix",
    "pmatrix",
    "bmatrix",
    "Bmatrix",
    "vmatrix",
    "Vmatrix",
    "matrix*",
    "pmatrix*",
    "bmatrix*",
    "Bmatrix*",
    "vmatrix*",
    "Vmatrix*"
  ],
  props: {
    numArgs: 0
  },
  handler(context) {
    const delimiters2 = {
      matrix: null,
      pmatrix: ["(", ")"],
      bmatrix: ["[", "]"],
      Bmatrix: ["\\{", "\\}"],
      vmatrix: ["|", "|"],
      Vmatrix: ["\\Vert", "\\Vert"]
    }[context.envName.replace("*", "")];
    let colAlign = "c";
    const payload = {
      envClasses: [],
      cols: []
    };
    if (context.envName.charAt(context.envName.length - 1) === "*") {
      const parser = context.parser;
      parser.consumeSpaces();
      if (parser.fetch().text === "[") {
        parser.consume();
        parser.consumeSpaces();
        colAlign = parser.fetch().text;
        if ("lcr".indexOf(colAlign) === -1) {
          throw new ParseError("Expected l or c or r", parser.nextToken);
        }
        parser.consume();
        parser.consumeSpaces();
        parser.expect("]");
        parser.consume();
        payload.cols = [];
      }
    }
    const res = parseArray(context.parser, payload, "text");
    res.cols = new Array(res.body[0].length).fill({ type: "align", align: colAlign });
    const [arraystretch, arraycolsep] = arrayGaps(context.parser.gullet.macros);
    return delimiters2 ? {
      type: "leftright",
      mode: context.mode,
      body: [res],
      left: delimiters2[0],
      right: delimiters2[1],
      rightColor: void 0,
      // \right uninfluenced by \color in array
      arraystretch,
      arraycolsep
    } : res;
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["smallmatrix"],
  props: {
    numArgs: 0
  },
  handler(context) {
    const payload = { type: "small" };
    const res = parseArray(context.parser, payload, "script");
    res.envClasses = ["small"];
    return res;
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["subarray"],
  props: {
    numArgs: 1
  },
  handler(context, args) {
    const symNode = checkSymbolNodeType(args[0]);
    const colalign = symNode ? [args[0]] : assertNodeType(args[0], "ordgroup").body;
    const cols = colalign.map(function(nde) {
      const node = assertSymbolNodeType(nde);
      const ca = node.text;
      if ("lc".indexOf(ca) !== -1) {
        return {
          type: "align",
          align: ca
        };
      }
      throw new ParseError("Unknown column alignment: " + ca, nde);
    });
    if (cols.length > 1) {
      throw new ParseError("{subarray} can contain only one column");
    }
    let res = {
      cols,
      envClasses: ["small"]
    };
    res = parseArray(context.parser, res, "script");
    if (res.body.length > 0 && res.body[0].length > 1) {
      throw new ParseError("{subarray} can contain only one column");
    }
    return res;
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["cases", "dcases", "rcases", "drcases"],
  props: {
    numArgs: 0
  },
  handler(context) {
    const payload = {
      cols: [],
      envClasses: ["cases"]
    };
    const res = parseArray(context.parser, payload, dCellStyle(context.envName));
    return {
      type: "leftright",
      mode: context.mode,
      body: [res],
      left: context.envName.indexOf("r") > -1 ? "." : "\\{",
      right: context.envName.indexOf("r") > -1 ? "\\}" : ".",
      rightColor: void 0
    };
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["align", "align*", "aligned", "split"],
  props: {
    numArgs: 0
  },
  handler: alignedHandler,
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["alignat", "alignat*", "alignedat"],
  props: {
    numArgs: 1
  },
  handler: alignedHandler,
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["gathered", "gather", "gather*"],
  props: {
    numArgs: 0
  },
  handler(context) {
    if (context.envName !== "gathered") {
      validateAmsEnvironmentContext(context);
    }
    const res = {
      cols: [],
      envClasses: ["abut", "jot"],
      autoTag: getAutoTag(context.envName),
      emptySingleRow: true,
      leqno: context.parser.settings.leqno
    };
    return parseArray(context.parser, res, "display");
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["equation", "equation*"],
  props: {
    numArgs: 0
  },
  handler(context) {
    validateAmsEnvironmentContext(context);
    const res = {
      autoTag: getAutoTag(context.envName),
      emptySingleRow: true,
      singleRow: true,
      maxNumCols: 1,
      envClasses: ["align"],
      leqno: context.parser.settings.leqno
    };
    return parseArray(context.parser, res, "display");
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["multline", "multline*"],
  props: {
    numArgs: 0
  },
  handler(context) {
    validateAmsEnvironmentContext(context);
    const res = {
      autoTag: context.envName === "multline",
      maxNumCols: 1,
      envClasses: ["jot", "multline"],
      leqno: context.parser.settings.leqno
    };
    return parseArray(context.parser, res, "display");
  },
  mathmlBuilder: mathmlBuilder$7
});
defineEnvironment({
  type: "array",
  names: ["CD"],
  props: {
    numArgs: 0
  },
  handler(context) {
    validateAmsEnvironmentContext(context);
    return parseCD(context.parser);
  },
  mathmlBuilder: mathmlBuilder$7
});
defineFunction({
  type: "text",
  // Doesn't matter what this is.
  names: ["\\hline", "\\hdashline"],
  props: {
    numArgs: 0,
    allowedInText: true,
    allowedInMath: true
  },
  handler(context, args) {
    throw new ParseError(`${context.funcName} valid only within array environment`);
  }
});
var environments = _environments;
defineFunction({
  type: "environment",
  names: ["\\begin", "\\end"],
  props: {
    numArgs: 1,
    argTypes: ["text"]
  },
  handler({ parser, funcName }, args) {
    const nameGroup = args[0];
    if (nameGroup.type !== "ordgroup") {
      throw new ParseError("Invalid environment name", nameGroup);
    }
    let envName = "";
    for (let i = 0; i < nameGroup.body.length; ++i) {
      envName += assertNodeType(nameGroup.body[i], "textord").text;
    }
    if (funcName === "\\begin") {
      if (!Object.prototype.hasOwnProperty.call(environments, envName)) {
        throw new ParseError("No such environment: " + envName, nameGroup);
      }
      const env = environments[envName];
      const { args: args2, optArgs } = parser.parseArguments("\\begin{" + envName + "}", env);
      const context = {
        mode: parser.mode,
        envName,
        parser
      };
      const result = env.handler(context, args2, optArgs);
      parser.expect("\\end", false);
      const endNameToken = parser.nextToken;
      const end = assertNodeType(parser.parseFunction(), "environment");
      if (end.name !== envName) {
        throw new ParseError(
          `Mismatch: \\begin{${envName}} matched by \\end{${end.name}}`,
          endNameToken
        );
      }
      return result;
    }
    return {
      type: "environment",
      mode: parser.mode,
      name: envName,
      nameGroup
    };
  }
});
defineFunction({
  type: "envTag",
  names: ["\\env@tag"],
  props: {
    numArgs: 1,
    argTypes: ["math"]
  },
  handler({ parser }, args) {
    return {
      type: "envTag",
      mode: parser.mode,
      body: args[0]
    };
  },
  mathmlBuilder(group, style) {
    return new mathMLTree.MathNode("mrow");
  }
});
defineFunction({
  type: "noTag",
  names: ["\\env@notag"],
  props: {
    numArgs: 0
  },
  handler({ parser }) {
    return {
      type: "noTag",
      mode: parser.mode
    };
  },
  mathmlBuilder(group, style) {
    return new mathMLTree.MathNode("mrow");
  }
});
var isLongVariableName = (group, font) => {
  if (font !== "mathrm" || group.body.type !== "ordgroup" || group.body.body.length === 1) {
    return false;
  }
  if (group.body.body[0].type !== "mathord") {
    return false;
  }
  for (let i = 1; i < group.body.body.length; i++) {
    const parseNodeType = group.body.body[i].type;
    if (!(parseNodeType === "mathord" || parseNodeType === "textord" && !isNaN(group.body.body[i].text))) {
      return false;
    }
  }
  return true;
};
var mathmlBuilder$6 = (group, style) => {
  const font = group.font;
  const newStyle = style.withFont(font);
  const mathGroup = buildGroup$1(group.body, newStyle);
  if (mathGroup.children.length === 0) {
    return mathGroup;
  }
  if (font === "boldsymbol" && ["mo", "mpadded", "mrow"].includes(mathGroup.type)) {
    mathGroup.style.fontWeight = "bold";
    return mathGroup;
  }
  if (isLongVariableName(group, font)) {
    const mi2 = mathGroup.children[0].children[0];
    delete mi2.attributes.mathvariant;
    for (let i = 1; i < mathGroup.children.length; i++) {
      mi2.children[0].text += mathGroup.children[i].type === "mn" ? mathGroup.children[i].children[0].text : mathGroup.children[i].children[0].children[0].text;
    }
    const bogus = new mathMLTree.MathNode("mtext", new mathMLTree.TextNode("\u200B"));
    return new mathMLTree.MathNode("mrow", [bogus, mi2]);
  }
  let canConsolidate = mathGroup.children[0].type === "mo";
  for (let i = 1; i < mathGroup.children.length; i++) {
    if (mathGroup.children[i].type === "mo" && font === "boldsymbol") {
      mathGroup.children[i].style.fontWeight = "bold";
    }
    if (mathGroup.children[i].type !== "mi") {
      canConsolidate = false;
    }
    const localVariant = mathGroup.children[i].attributes && mathGroup.children[i].attributes.mathvariant || "";
    if (localVariant !== "normal") {
      canConsolidate = false;
    }
  }
  if (!canConsolidate) {
    return mathGroup;
  }
  const mi = mathGroup.children[0];
  for (let i = 1; i < mathGroup.children.length; i++) {
    mi.children.push(mathGroup.children[i].children[0]);
  }
  if (mi.attributes.mathvariant && mi.attributes.mathvariant === "normal") {
    const bogus = new mathMLTree.MathNode("mtext", new mathMLTree.TextNode("\u200B"));
    return new mathMLTree.MathNode("mrow", [bogus, mi]);
  }
  return mi;
};
var fontAliases = {
  "\\Bbb": "\\mathbb",
  "\\bold": "\\mathbf",
  "\\frak": "\\mathfrak",
  "\\bm": "\\boldsymbol"
};
defineFunction({
  type: "font",
  names: [
    // styles
    "\\mathrm",
    "\\mathit",
    "\\mathbf",
    "\\mathnormal",
    "\\up@greek",
    "\\boldsymbol",
    // families
    "\\mathbb",
    "\\mathcal",
    "\\mathfrak",
    "\\mathscr",
    "\\mathsf",
    "\\mathsfit",
    "\\mathtt",
    // aliases
    "\\Bbb",
    "\\bm",
    "\\bold",
    "\\frak"
  ],
  props: {
    numArgs: 1,
    allowedInArgument: true
  },
  handler: ({ parser, funcName }, args) => {
    const body = normalizeArgument(args[0]);
    let func = funcName;
    if (func in fontAliases) {
      func = fontAliases[func];
    }
    return {
      type: "font",
      mode: parser.mode,
      font: func.slice(1),
      body
    };
  },
  mathmlBuilder: mathmlBuilder$6
});
defineFunction({
  type: "font",
  names: ["\\rm", "\\sf", "\\tt", "\\bf", "\\it", "\\cal"],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler: ({ parser, funcName, breakOnTokenText }, args) => {
    const { mode } = parser;
    const body = parser.parseExpression(true, breakOnTokenText, true);
    const fontStyle = `math${funcName.slice(1)}`;
    return {
      type: "font",
      mode,
      font: fontStyle,
      body: {
        type: "ordgroup",
        mode: parser.mode,
        body
      }
    };
  },
  mathmlBuilder: mathmlBuilder$6
});
var stylArray = ["display", "text", "script", "scriptscript"];
var scriptLevel = { auto: -1, display: 0, text: 0, script: 1, scriptscript: 2 };
var mathmlBuilder$5 = (group, style) => {
  const childOptions = group.scriptLevel === "auto" ? style.incrementLevel() : group.scriptLevel === "display" ? style.withLevel(StyleLevel.TEXT) : group.scriptLevel === "text" ? style.withLevel(StyleLevel.SCRIPT) : style.withLevel(StyleLevel.SCRIPTSCRIPT);
  const numer = buildGroup$1(group.numer, childOptions);
  const denom = buildGroup$1(group.denom, childOptions);
  if (style.level === 3) {
    numer.style.mathDepth = "2";
    numer.setAttribute("scriptlevel", "2");
    denom.style.mathDepth = "2";
    denom.setAttribute("scriptlevel", "2");
  }
  let node = new mathMLTree.MathNode("mfrac", [numer, denom]);
  if (!group.hasBarLine) {
    node.setAttribute("linethickness", "0px");
  } else if (group.barSize) {
    const ruleWidth = calculateSize(group.barSize, style);
    node.setAttribute("linethickness", ruleWidth.number + ruleWidth.unit);
  }
  if (group.leftDelim != null || group.rightDelim != null) {
    const withDelims = [];
    if (group.leftDelim != null) {
      const leftOp = new mathMLTree.MathNode("mo", [
        new mathMLTree.TextNode(group.leftDelim.replace("\\", ""))
      ]);
      leftOp.setAttribute("fence", "true");
      withDelims.push(leftOp);
    }
    withDelims.push(node);
    if (group.rightDelim != null) {
      const rightOp = new mathMLTree.MathNode("mo", [
        new mathMLTree.TextNode(group.rightDelim.replace("\\", ""))
      ]);
      rightOp.setAttribute("fence", "true");
      withDelims.push(rightOp);
    }
    node = makeRow(withDelims);
  }
  if (group.scriptLevel !== "auto") {
    node = new mathMLTree.MathNode("mstyle", [node]);
    node.setAttribute("displaystyle", String(group.scriptLevel === "display"));
    node.setAttribute("scriptlevel", scriptLevel[group.scriptLevel]);
  }
  return node;
};
defineFunction({
  type: "genfrac",
  names: [
    "\\dfrac",
    "\\frac",
    "\\tfrac",
    "\\dbinom",
    "\\binom",
    "\\tbinom",
    "\\\\atopfrac",
    // can’t be entered directly
    "\\\\bracefrac",
    "\\\\brackfrac"
    // ditto
  ],
  props: {
    numArgs: 2,
    allowedInArgument: true
  },
  handler: ({ parser, funcName }, args) => {
    const numer = args[0];
    const denom = args[1];
    let hasBarLine = false;
    let leftDelim = null;
    let rightDelim = null;
    let scriptLevel2 = "auto";
    switch (funcName) {
      case "\\dfrac":
      case "\\frac":
      case "\\tfrac":
        hasBarLine = true;
        break;
      case "\\\\atopfrac":
        hasBarLine = false;
        break;
      case "\\dbinom":
      case "\\binom":
      case "\\tbinom":
        leftDelim = "(";
        rightDelim = ")";
        break;
      case "\\\\bracefrac":
        leftDelim = "\\{";
        rightDelim = "\\}";
        break;
      case "\\\\brackfrac":
        leftDelim = "[";
        rightDelim = "]";
        break;
      default:
        throw new Error("Unrecognized genfrac command");
    }
    switch (funcName) {
      case "\\dfrac":
      case "\\dbinom":
        scriptLevel2 = "display";
        break;
      case "\\tfrac":
      case "\\tbinom":
        scriptLevel2 = "text";
        break;
    }
    return {
      type: "genfrac",
      mode: parser.mode,
      continued: false,
      numer,
      denom,
      hasBarLine,
      leftDelim,
      rightDelim,
      scriptLevel: scriptLevel2,
      barSize: null
    };
  },
  mathmlBuilder: mathmlBuilder$5
});
defineFunction({
  type: "genfrac",
  names: ["\\cfrac"],
  props: {
    numArgs: 2
  },
  handler: ({ parser, funcName }, args) => {
    const numer = args[0];
    const denom = args[1];
    return {
      type: "genfrac",
      mode: parser.mode,
      continued: true,
      numer,
      denom,
      hasBarLine: true,
      leftDelim: null,
      rightDelim: null,
      scriptLevel: "display",
      barSize: null
    };
  }
});
defineFunction({
  type: "infix",
  names: ["\\over", "\\choose", "\\atop", "\\brace", "\\brack"],
  props: {
    numArgs: 0,
    infix: true
  },
  handler({ parser, funcName, token }) {
    let replaceWith;
    switch (funcName) {
      case "\\over":
        replaceWith = "\\frac";
        break;
      case "\\choose":
        replaceWith = "\\binom";
        break;
      case "\\atop":
        replaceWith = "\\\\atopfrac";
        break;
      case "\\brace":
        replaceWith = "\\\\bracefrac";
        break;
      case "\\brack":
        replaceWith = "\\\\brackfrac";
        break;
      default:
        throw new Error("Unrecognized infix genfrac command");
    }
    return {
      type: "infix",
      mode: parser.mode,
      replaceWith,
      token
    };
  }
});
var delimFromValue = function(delimString) {
  let delim = null;
  if (delimString.length > 0) {
    delim = delimString;
    delim = delim === "." ? null : delim;
  }
  return delim;
};
defineFunction({
  type: "genfrac",
  names: ["\\genfrac"],
  props: {
    numArgs: 6,
    allowedInArgument: true,
    argTypes: ["math", "math", "size", "text", "math", "math"]
  },
  handler({ parser }, args) {
    const numer = args[4];
    const denom = args[5];
    const leftNode = normalizeArgument(args[0]);
    const leftDelim = leftNode.type === "atom" && leftNode.family === "open" ? delimFromValue(leftNode.text) : null;
    const rightNode = normalizeArgument(args[1]);
    const rightDelim = rightNode.type === "atom" && rightNode.family === "close" ? delimFromValue(rightNode.text) : null;
    const barNode = assertNodeType(args[2], "size");
    let hasBarLine;
    let barSize = null;
    if (barNode.isBlank) {
      hasBarLine = true;
    } else {
      barSize = barNode.value;
      hasBarLine = barSize.number > 0;
    }
    let scriptLevel2 = "auto";
    let styl = args[3];
    if (styl.type === "ordgroup") {
      if (styl.body.length > 0) {
        const textOrd = assertNodeType(styl.body[0], "textord");
        scriptLevel2 = stylArray[Number(textOrd.text)];
      }
    } else {
      styl = assertNodeType(styl, "textord");
      scriptLevel2 = stylArray[Number(styl.text)];
    }
    return {
      type: "genfrac",
      mode: parser.mode,
      numer,
      denom,
      continued: false,
      hasBarLine,
      barSize,
      leftDelim,
      rightDelim,
      scriptLevel: scriptLevel2
    };
  },
  mathmlBuilder: mathmlBuilder$5
});
defineFunction({
  type: "infix",
  names: ["\\above"],
  props: {
    numArgs: 1,
    argTypes: ["size"],
    infix: true
  },
  handler({ parser, funcName, token }, args) {
    return {
      type: "infix",
      mode: parser.mode,
      replaceWith: "\\\\abovefrac",
      barSize: assertNodeType(args[0], "size").value,
      token
    };
  }
});
defineFunction({
  type: "genfrac",
  names: ["\\\\abovefrac"],
  props: {
    numArgs: 3,
    argTypes: ["math", "size", "math"]
  },
  handler: ({ parser, funcName }, args) => {
    const numer = args[0];
    const barSize = assert(assertNodeType(args[1], "infix").barSize);
    const denom = args[2];
    const hasBarLine = barSize.number > 0;
    return {
      type: "genfrac",
      mode: parser.mode,
      numer,
      denom,
      continued: false,
      hasBarLine,
      barSize,
      leftDelim: null,
      rightDelim: null,
      scriptLevel: "auto"
    };
  },
  mathmlBuilder: mathmlBuilder$5
});
defineFunction({
  type: "hbox",
  names: ["\\hbox"],
  props: {
    numArgs: 1,
    argTypes: ["hbox"],
    allowedInArgument: true,
    allowedInText: false
  },
  handler({ parser }, args) {
    return {
      type: "hbox",
      mode: parser.mode,
      body: ordargument(args[0])
    };
  },
  mathmlBuilder(group, style) {
    const newStyle = style.withLevel(StyleLevel.TEXT);
    const mrow = buildExpressionRow(group.body, newStyle);
    return consolidateText(mrow);
  }
});
var mathmlBuilder$4 = (group, style) => {
  const accentNode2 = stretchy.mathMLnode(group.label);
  accentNode2.style["math-depth"] = 0;
  return new mathMLTree.MathNode(group.isOver ? "mover" : "munder", [
    buildGroup$1(group.base, style),
    accentNode2
  ]);
};
defineFunction({
  type: "horizBrace",
  names: ["\\overbrace", "\\underbrace"],
  props: {
    numArgs: 1
  },
  handler({ parser, funcName }, args) {
    return {
      type: "horizBrace",
      mode: parser.mode,
      label: funcName,
      isOver: /^\\over/.test(funcName),
      base: args[0]
    };
  },
  mathmlBuilder: mathmlBuilder$4
});
defineFunction({
  type: "href",
  names: ["\\href"],
  props: {
    numArgs: 2,
    argTypes: ["url", "original"],
    allowedInText: true
  },
  handler: ({ parser, token }, args) => {
    const body = args[1];
    const href = assertNodeType(args[0], "url").url;
    if (!parser.settings.isTrusted({
      command: "\\href",
      url: href
    })) {
      throw new ParseError(`Function "\\href" is not trusted`, token);
    }
    return {
      type: "href",
      mode: parser.mode,
      href,
      body: ordargument(body)
    };
  },
  mathmlBuilder: (group, style) => {
    const math2 = new MathNode("math", [buildExpressionRow(group.body, style)]);
    const anchorNode = new AnchorNode(group.href, [], [math2]);
    return anchorNode;
  }
});
defineFunction({
  type: "href",
  names: ["\\url"],
  props: {
    numArgs: 1,
    argTypes: ["url"],
    allowedInText: true
  },
  handler: ({ parser, token }, args) => {
    const href = assertNodeType(args[0], "url").url;
    if (!parser.settings.isTrusted({
      command: "\\url",
      url: href
    })) {
      throw new ParseError(`Function "\\url" is not trusted`, token);
    }
    const chars = [];
    for (let i = 0; i < href.length; i++) {
      let c = href[i];
      if (c === "~") {
        c = "\\textasciitilde";
      }
      chars.push({
        type: "textord",
        mode: "text",
        text: c
      });
    }
    const body = {
      type: "text",
      mode: parser.mode,
      font: "\\texttt",
      body: chars
    };
    return {
      type: "href",
      mode: parser.mode,
      href,
      body: ordargument(body)
    };
  }
});
defineFunction({
  type: "html",
  names: ["\\class", "\\id", "\\style", "\\data"],
  props: {
    numArgs: 2,
    argTypes: ["raw", "original"],
    allowedInText: true
  },
  handler: ({ parser, funcName, token }, args) => {
    const value = assertNodeType(args[0], "raw").string;
    const body = args[1];
    if (parser.settings.strict) {
      throw new ParseError(`Function "${funcName}" is disabled in strict mode`, token);
    }
    let trustContext;
    const attributes = {};
    switch (funcName) {
      case "\\class":
        attributes.class = value;
        trustContext = {
          command: "\\class",
          class: value
        };
        break;
      case "\\id":
        attributes.id = value;
        trustContext = {
          command: "\\id",
          id: value
        };
        break;
      case "\\style":
        attributes.style = value;
        trustContext = {
          command: "\\style",
          style: value
        };
        break;
      case "\\data": {
        const data = value.split(",");
        for (let i = 0; i < data.length; i++) {
          const keyVal = data[i].split("=");
          if (keyVal.length !== 2) {
            throw new ParseError("Error parsing key-value for \\data");
          }
          attributes["data-" + keyVal[0].trim()] = keyVal[1].trim();
        }
        trustContext = {
          command: "\\data",
          attributes
        };
        break;
      }
      default:
        throw new Error("Unrecognized html command");
    }
    if (!parser.settings.isTrusted(trustContext)) {
      throw new ParseError(`Function "${funcName}" is not trusted`, token);
    }
    return {
      type: "html",
      mode: parser.mode,
      attributes,
      body: ordargument(body)
    };
  },
  mathmlBuilder: (group, style) => {
    const element = buildExpressionRow(group.body, style);
    const classes = [];
    if (group.attributes.class) {
      classes.push(...group.attributes.class.trim().split(/\s+/));
    }
    element.classes = classes;
    for (const attr in group.attributes) {
      if (attr !== "class" && Object.prototype.hasOwnProperty.call(group.attributes, attr)) {
        element.setAttribute(attr, group.attributes[attr]);
      }
    }
    return element;
  }
});
var sizeData = function(str) {
  if (/^[-+]? *(\d+(\.\d*)?|\.\d+)$/.test(str)) {
    return { number: +str, unit: "bp" };
  } else {
    const match = /([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/.exec(str);
    if (!match) {
      throw new ParseError("Invalid size: '" + str + "' in \\includegraphics");
    }
    const data = {
      number: +(match[1] + match[2]),
      // sign + magnitude, cast to number
      unit: match[3]
    };
    if (!validUnit(data)) {
      throw new ParseError("Invalid unit: '" + data.unit + "' in \\includegraphics.");
    }
    return data;
  }
};
defineFunction({
  type: "includegraphics",
  names: ["\\includegraphics"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1,
    argTypes: ["raw", "url"],
    allowedInText: false
  },
  handler: ({ parser, token }, args, optArgs) => {
    let width = { number: 0, unit: "em" };
    let height = { number: 0.9, unit: "em" };
    let totalheight = { number: 0, unit: "em" };
    let alt = "";
    if (optArgs[0]) {
      const attributeStr = assertNodeType(optArgs[0], "raw").string;
      const attributes = attributeStr.split(",");
      for (let i = 0; i < attributes.length; i++) {
        const keyVal = attributes[i].split("=");
        if (keyVal.length === 2) {
          const str = keyVal[1].trim();
          switch (keyVal[0].trim()) {
            case "alt":
              alt = str;
              break;
            case "width":
              width = sizeData(str);
              break;
            case "height":
              height = sizeData(str);
              break;
            case "totalheight":
              totalheight = sizeData(str);
              break;
            default:
              throw new ParseError("Invalid key: '" + keyVal[0] + "' in \\includegraphics.");
          }
        }
      }
    }
    const src = assertNodeType(args[0], "url").url;
    if (alt === "") {
      alt = src;
      alt = alt.replace(/^.*[\\/]/, "");
      alt = alt.substring(0, alt.lastIndexOf("."));
    }
    if (!parser.settings.isTrusted({
      command: "\\includegraphics",
      url: src
    })) {
      throw new ParseError(`Function "\\includegraphics" is not trusted`, token);
    }
    return {
      type: "includegraphics",
      mode: parser.mode,
      alt,
      width,
      height,
      totalheight,
      src
    };
  },
  mathmlBuilder: (group, style) => {
    const height = calculateSize(group.height, style);
    const depth = { number: 0, unit: "em" };
    if (group.totalheight.number > 0) {
      if (group.totalheight.unit === height.unit && group.totalheight.number > height.number) {
        depth.number = group.totalheight.number - height.number;
        depth.unit = height.unit;
      }
    }
    let width = 0;
    if (group.width.number > 0) {
      width = calculateSize(group.width, style);
    }
    const graphicStyle = { height: height.number + depth.number + "em" };
    if (width.number > 0) {
      graphicStyle.width = width.number + width.unit;
    }
    if (depth.number > 0) {
      graphicStyle.verticalAlign = -depth.number + depth.unit;
    }
    const node = new Img(group.src, group.alt, graphicStyle);
    node.height = height;
    node.depth = depth;
    return new mathMLTree.MathNode("mtext", [node]);
  }
});
defineFunction({
  type: "kern",
  names: ["\\kern", "\\mkern", "\\hskip", "\\mskip"],
  props: {
    numArgs: 1,
    argTypes: ["size"],
    primitive: true,
    allowedInText: true
  },
  handler({ parser, funcName, token }, args) {
    const size = assertNodeType(args[0], "size");
    if (parser.settings.strict) {
      const mathFunction = funcName[1] === "m";
      const muUnit = size.value.unit === "mu";
      if (mathFunction) {
        if (!muUnit) {
          throw new ParseError(`LaTeX's ${funcName} supports only mu units, not ${size.value.unit} units`, token);
        }
        if (parser.mode !== "math") {
          throw new ParseError(`LaTeX's ${funcName} works only in math mode`, token);
        }
      } else {
        if (muUnit) {
          throw new ParseError(`LaTeX's ${funcName} doesn't support mu units`, token);
        }
      }
    }
    return {
      type: "kern",
      mode: parser.mode,
      dimension: size.value
    };
  },
  mathmlBuilder(group, style) {
    const dimension = calculateSize(group.dimension, style);
    const ch = dimension.unit === "em" ? spaceCharacter(dimension.number) : "";
    if (group.mode === "text" && ch.length > 0) {
      const character = new mathMLTree.TextNode(ch);
      return new mathMLTree.MathNode("mtext", [character]);
    } else {
      const node = new mathMLTree.MathNode("mspace");
      node.setAttribute("width", dimension.number + dimension.unit);
      if (dimension.number < 0) {
        node.style.marginLeft = dimension.number + dimension.unit;
      }
      return node;
    }
  }
});
var spaceCharacter = function(width) {
  if (width >= 0.05555 && width <= 0.05556) {
    return "\u200A";
  } else if (width >= 0.1666 && width <= 0.1667) {
    return "\u2009";
  } else if (width >= 0.2222 && width <= 0.2223) {
    return "\u2005";
  } else if (width >= 0.2777 && width <= 0.2778) {
    return "\u2005\u200A";
  } else {
    return "";
  }
};
var invalidIdRegEx = /[^A-Za-z_0-9-]/g;
defineFunction({
  type: "label",
  names: ["\\label"],
  props: {
    numArgs: 1,
    argTypes: ["raw"]
  },
  handler({ parser }, args) {
    return {
      type: "label",
      mode: parser.mode,
      string: args[0].string.replace(invalidIdRegEx, "")
    };
  },
  mathmlBuilder(group, style) {
    const node = new mathMLTree.MathNode("mrow", [], ["tml-label"]);
    if (group.string.length > 0) {
      node.setLabel(group.string);
    }
    return node;
  }
});
var textModeLap = ["\\clap", "\\llap", "\\rlap"];
defineFunction({
  type: "lap",
  names: ["\\mathllap", "\\mathrlap", "\\mathclap", "\\clap", "\\llap", "\\rlap"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: ({ parser, funcName, token }, args) => {
    if (textModeLap.includes(funcName)) {
      if (parser.settings.strict && parser.mode !== "text") {
        throw new ParseError(`{${funcName}} can be used only in text mode.
 Try \\math${funcName.slice(1)}`, token);
      }
      funcName = funcName.slice(1);
    } else {
      funcName = funcName.slice(5);
    }
    const body = args[0];
    return {
      type: "lap",
      mode: parser.mode,
      alignment: funcName,
      body
    };
  },
  mathmlBuilder: (group, style) => {
    let strut;
    if (group.alignment === "llap") {
      const phantomInner = buildExpression(ordargument(group.body), style);
      const phantom = new mathMLTree.MathNode("mphantom", phantomInner);
      strut = new mathMLTree.MathNode("mpadded", [phantom]);
      strut.setAttribute("width", "0px");
    }
    const inner2 = buildGroup$1(group.body, style);
    let node;
    if (group.alignment === "llap") {
      inner2.style.position = "absolute";
      inner2.style.right = "0";
      inner2.style.bottom = `0`;
      node = new mathMLTree.MathNode("mpadded", [strut, inner2]);
    } else {
      node = new mathMLTree.MathNode("mpadded", [inner2]);
    }
    if (group.alignment === "rlap") {
      if (group.body.body.length > 0 && group.body.body[0].type === "genfrac") {
        node.setAttribute("lspace", "0.16667em");
      }
    } else {
      const offset2 = group.alignment === "llap" ? "-1" : "-0.5";
      node.setAttribute("lspace", offset2 + "width");
      if (group.alignment === "llap") {
        node.style.position = "relative";
      } else {
        node.style.display = "flex";
        node.style.justifyContent = "center";
      }
    }
    node.setAttribute("width", "0px");
    return node;
  }
});
defineFunction({
  type: "ordgroup",
  names: ["\$", "$"],
  props: {
    numArgs: 0,
    allowedInText: true,
    allowedInMath: false
  },
  handler({ funcName, parser }, args) {
    const outerMode = parser.mode;
    parser.switchMode("math");
    const close2 = funcName === "\\(" ? "\$" : "$";
    const body = parser.parseExpression(false, close2);
    parser.expect(close2);
    parser.switchMode(outerMode);
    return {
      type: "ordgroup",
      mode: parser.mode,
      body
    };
  }
});
defineFunction({
  type: "text",
  // Doesn't matter what this is.
  names: ["\\)", "\\]"],
  props: {
    numArgs: 0,
    allowedInText: true,
    allowedInMath: false
  },
  handler(context, token) {
    throw new ParseError(`Mismatched ${context.funcName}`, token);
  }
});
var chooseStyle = (group, style) => {
  switch (style.level) {
    case StyleLevel.DISPLAY:
      return group.display;
    case StyleLevel.TEXT:
      return group.text;
    case StyleLevel.SCRIPT:
      return group.script;
    case StyleLevel.SCRIPTSCRIPT:
      return group.scriptscript;
    default:
      return group.text;
  }
};
defineFunction({
  type: "mathchoice",
  names: ["\\mathchoice"],
  props: {
    numArgs: 4,
    primitive: true
  },
  handler: ({ parser }, args) => {
    return {
      type: "mathchoice",
      mode: parser.mode,
      display: ordargument(args[0]),
      text: ordargument(args[1]),
      script: ordargument(args[2]),
      scriptscript: ordargument(args[3])
    };
  },
  mathmlBuilder: (group, style) => {
    const body = chooseStyle(group, style);
    return buildExpressionRow(body, style);
  }
});
var textAtomTypes = ["text", "textord", "mathord", "atom"];
var padding = (width) => {
  const node = new mathMLTree.MathNode("mspace");
  node.setAttribute("width", width + "em");
  return node;
};
function mathmlBuilder$3(group, style) {
  let node;
  const inner2 = buildExpression(group.body, style);
  if (group.mclass === "minner") {
    node = new mathMLTree.MathNode("mpadded", inner2);
  } else if (group.mclass === "mord") {
    if (group.isCharacterBox || inner2[0].type === "mathord") {
      node = inner2[0];
      node.type = "mi";
      if (node.children.length === 1 && node.children[0].text && node.children[0].text === "\u2207") {
        node.setAttribute("mathvariant", "normal");
      }
    } else {
      node = new mathMLTree.MathNode("mi", inner2);
    }
  } else {
    node = new mathMLTree.MathNode("mrow", inner2);
    if (group.mustPromote) {
      node = inner2[0];
      node.type = "mo";
      if (group.isCharacterBox && group.body[0].text && /[A-Za-z]/.test(group.body[0].text)) {
        node.setAttribute("mathvariant", "italic");
      }
    } else {
      node = new mathMLTree.MathNode("mrow", inner2);
    }
    const doSpacing = style.level < 2;
    if (node.type === "mrow") {
      if (doSpacing) {
        if (group.mclass === "mbin") {
          node.children.unshift(padding(0.2222));
          node.children.push(padding(0.2222));
        } else if (group.mclass === "mrel") {
          node.children.unshift(padding(0.2778));
          node.children.push(padding(0.2778));
        } else if (group.mclass === "mpunct") {
          node.children.push(padding(0.1667));
        } else if (group.mclass === "minner") {
          node.children.unshift(padding(0.0556));
          node.children.push(padding(0.0556));
        }
      }
    } else {
      if (group.mclass === "mbin") {
        node.attributes.lspace = doSpacing ? "0.2222em" : "0";
        node.attributes.rspace = doSpacing ? "0.2222em" : "0";
      } else if (group.mclass === "mrel") {
        node.attributes.lspace = doSpacing ? "0.2778em" : "0";
        node.attributes.rspace = doSpacing ? "0.2778em" : "0";
      } else if (group.mclass === "mpunct") {
        node.attributes.lspace = "0em";
        node.attributes.rspace = doSpacing ? "0.1667em" : "0";
      } else if (group.mclass === "mopen" || group.mclass === "mclose") {
        node.attributes.lspace = "0em";
        node.attributes.rspace = "0em";
      } else if (group.mclass === "minner" && doSpacing) {
        node.attributes.lspace = "0.0556em";
        node.attributes.width = "+0.1111em";
      }
    }
    if (!(group.mclass === "mopen" || group.mclass === "mclose")) {
      delete node.attributes.stretchy;
      delete node.attributes.form;
    }
  }
  return node;
}
defineFunction({
  type: "mclass",
  names: [
    "\\mathord",
    "\\mathbin",
    "\\mathrel",
    "\\mathopen",
    "\\mathclose",
    "\\mathpunct",
    "\\mathinner"
  ],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler({ parser, funcName }, args) {
    const body = args[0];
    const isCharacterBox2 = utils.isCharacterBox(body);
    let mustPromote = true;
    const mord = { type: "mathord", text: "", mode: parser.mode };
    const arr = body.body ? body.body : [body];
    for (const arg of arr) {
      if (textAtomTypes.includes(arg.type)) {
        if (symbols[parser.mode][arg.text]) {
          mord.text += symbols[parser.mode][arg.text].replace;
        } else if (arg.text) {
          mord.text += arg.text;
        } else if (arg.body) {
          arg.body.map((e) => {
            mord.text += e.text;
          });
        }
      } else {
        mustPromote = false;
        break;
      }
    }
    return {
      type: "mclass",
      mode: parser.mode,
      mclass: "m" + funcName.slice(5),
      body: ordargument(mustPromote ? mord : body),
      isCharacterBox: isCharacterBox2,
      mustPromote
    };
  },
  mathmlBuilder: mathmlBuilder$3
});
var binrelClass = (arg) => {
  const atom = arg.type === "ordgroup" && arg.body.length ? arg.body[0] : arg;
  if (atom.type === "atom" && (atom.family === "bin" || atom.family === "rel")) {
    return "m" + atom.family;
  } else {
    return "mord";
  }
};
defineFunction({
  type: "mclass",
  names: ["\\@binrel"],
  props: {
    numArgs: 2
  },
  handler({ parser }, args) {
    return {
      type: "mclass",
      mode: parser.mode,
      mclass: binrelClass(args[0]),
      body: ordargument(args[1]),
      isCharacterBox: utils.isCharacterBox(args[1])
    };
  }
});
defineFunction({
  type: "mclass",
  names: ["\\stackrel", "\\overset", "\\underset"],
  props: {
    numArgs: 2
  },
  handler({ parser, funcName }, args) {
    const baseArg = args[1];
    const shiftedArg = args[0];
    const baseOp = {
      type: "op",
      mode: baseArg.mode,
      limits: true,
      alwaysHandleSupSub: true,
      parentIsSupSub: false,
      symbol: false,
      stack: true,
      suppressBaseShift: funcName !== "\\stackrel",
      body: ordargument(baseArg)
    };
    return {
      type: "supsub",
      mode: shiftedArg.mode,
      base: baseOp,
      sup: funcName === "\\underset" ? null : shiftedArg,
      sub: funcName === "\\underset" ? shiftedArg : null
    };
  },
  mathmlBuilder: mathmlBuilder$3
});
var buildGroup = (el, style, noneNode) => {
  if (!el) {
    return noneNode;
  }
  const node = buildGroup$1(el, style);
  if (node.type === "mrow" && node.children.length === 0) {
    return noneNode;
  }
  return node;
};
defineFunction({
  type: "multiscript",
  names: ["\\sideset", "\\pres@cript"],
  // See macros.js for \prescript
  props: {
    numArgs: 3
  },
  handler({ parser, funcName, token }, args) {
    if (args[2].body.length === 0) {
      throw new ParseError(funcName + `cannot parse an empty base.`);
    }
    const base = args[2].body[0];
    if (parser.settings.strict && funcName === "\\sideset" && !base.symbol) {
      throw new ParseError(`The base of \\sideset must be a big operator. Try \\prescript.`);
    }
    if (args[0].body.length > 0 && args[0].body[0].type !== "supsub" || args[1].body.length > 0 && args[1].body[0].type !== "supsub") {
      throw new ParseError("\\sideset can parse only subscripts and superscripts in its first two arguments", token);
    }
    const prescripts = args[0].body.length > 0 ? args[0].body[0] : null;
    const postscripts = args[1].body.length > 0 ? args[1].body[0] : null;
    if (!prescripts && !postscripts) {
      return base;
    } else if (!prescripts) {
      return {
        type: "styling",
        mode: parser.mode,
        scriptLevel: "text",
        body: [{
          type: "supsub",
          mode: parser.mode,
          base,
          sup: postscripts.sup,
          sub: postscripts.sub
        }]
      };
    } else {
      return {
        type: "multiscript",
        mode: parser.mode,
        isSideset: funcName === "\\sideset",
        prescripts,
        postscripts,
        base
      };
    }
  },
  mathmlBuilder(group, style) {
    const base = buildGroup$1(group.base, style);
    const prescriptsNode = new mathMLTree.MathNode("mprescripts");
    const noneNode = new mathMLTree.MathNode("none");
    let children = [];
    const preSub = buildGroup(group.prescripts.sub, style, noneNode);
    const preSup = buildGroup(group.prescripts.sup, style, noneNode);
    if (group.isSideset) {
      preSub.setAttribute("style", "text-align: left;");
      preSup.setAttribute("style", "text-align: left;");
    }
    if (group.postscripts) {
      const postSub = buildGroup(group.postscripts.sub, style, noneNode);
      const postSup = buildGroup(group.postscripts.sup, style, noneNode);
      children = [base, postSub, postSup, prescriptsNode, preSub, preSup];
    } else {
      children = [base, prescriptsNode, preSub, preSup];
    }
    return new mathMLTree.MathNode("mmultiscripts", children);
  }
});
defineFunction({
  type: "not",
  names: ["\\not"],
  props: {
    numArgs: 1,
    primitive: true,
    allowedInText: false
  },
  handler({ parser }, args) {
    const isCharacterBox2 = utils.isCharacterBox(args[0]);
    let body;
    if (isCharacterBox2) {
      body = ordargument(args[0]);
      if (body[0].text.charAt(0) === "\\") {
        body[0].text = symbols.math[body[0].text].replace;
      }
      body[0].text = body[0].text.slice(0, 1) + "\u0338" + body[0].text.slice(1);
    } else {
      const notNode = { type: "textord", mode: "math", text: "\u0338" };
      const kernNode = { type: "kern", mode: "math", dimension: { number: -0.6, unit: "em" } };
      body = [notNode, kernNode, args[0]];
    }
    return {
      type: "not",
      mode: parser.mode,
      body,
      isCharacterBox: isCharacterBox2
    };
  },
  mathmlBuilder(group, style) {
    if (group.isCharacterBox) {
      const inner2 = buildExpression(group.body, style, true);
      return inner2[0];
    } else {
      return buildExpressionRow(group.body, style);
    }
  }
});
var ordAtomTypes = ["textord", "mathord", "atom"];
var noSuccessor = ["\\smallint"];
var ordTypes = ["textord", "mathord", "ordgroup", "close", "leftright", "font"];
var setSpacing = (node) => {
  node.attributes.lspace = "0.1667em";
  node.attributes.rspace = "0.1667em";
};
var mathmlBuilder$2 = (group, style) => {
  let node;
  if (group.symbol) {
    node = new MathNode("mo", [makeText(group.name, group.mode)]);
    if (noSuccessor.includes(group.name)) {
      node.setAttribute("largeop", "false");
    } else {
      node.setAttribute("movablelimits", "false");
    }
    if (group.fromMathOp) {
      setSpacing(node);
    }
  } else if (group.body) {
    node = new MathNode("mo", buildExpression(group.body, style));
    if (group.fromMathOp) {
      setSpacing(node);
    }
  } else {
    node = new MathNode("mi", [new TextNode2(group.name.slice(1))]);
    if (!group.parentIsSupSub) {
      const operator = new MathNode("mo", [makeText("\u2061", "text")]);
      const row = [node, operator];
      if (group.needsLeadingSpace) {
        const lead = new MathNode("mspace");
        lead.setAttribute("width", "0.1667em");
        row.unshift(lead);
      }
      if (!group.isFollowedByDelimiter) {
        const trail = new MathNode("mspace");
        trail.setAttribute("width", "0.1667em");
        row.push(trail);
      }
      node = new MathNode("mrow", row);
    }
  }
  return node;
};
var singleCharBigOps = {
  "\u220F": "\\prod",
  "\u2210": "\\coprod",
  "\u2211": "\\sum",
  "\u22C0": "\\bigwedge",
  "\u22C1": "\\bigvee",
  "\u22C2": "\\bigcap",
  "\u22C3": "\\bigcup",
  "\u2A00": "\\bigodot",
  "\u2A01": "\\bigoplus",
  "\u2A02": "\\bigotimes",
  "\u2A04": "\\biguplus",
  "\u2A05": "\\bigsqcap",
  "\u2A06": "\\bigsqcup",
  "\u2A03": "\\bigcupdot",
  "\u2A07": "\\bigdoublevee",
  "\u2A08": "\\bigdoublewedge",
  "\u2A09": "\\bigtimes"
};
defineFunction({
  type: "op",
  names: [
    "\\coprod",
    "\\bigvee",
    "\\bigwedge",
    "\\biguplus",
    "\\bigcupplus",
    "\\bigcupdot",
    "\\bigcap",
    "\\bigcup",
    "\\bigdoublevee",
    "\\bigdoublewedge",
    "\\intop",
    "\\prod",
    "\\sum",
    "\\bigotimes",
    "\\bigoplus",
    "\\bigodot",
    "\\bigsqcap",
    "\\bigsqcup",
    "\\bigtimes",
    "\\smallint",
    "\u220F",
    "\u2210",
    "\u2211",
    "\u22C0",
    "\u22C1",
    "\u22C2",
    "\u22C3",
    "\u2A00",
    "\u2A01",
    "\u2A02",
    "\u2A04",
    "\u2A06"
  ],
  props: {
    numArgs: 0
  },
  handler: ({ parser, funcName }, args) => {
    let fName = funcName;
    if (fName.length === 1) {
      fName = singleCharBigOps[fName];
    }
    return {
      type: "op",
      mode: parser.mode,
      limits: true,
      parentIsSupSub: false,
      symbol: true,
      stack: false,
      // This is true for \stackrel{}, not here.
      name: fName
    };
  },
  mathmlBuilder: mathmlBuilder$2
});
defineFunction({
  type: "op",
  names: ["\\mathop"],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler: ({ parser }, args) => {
    const body = args[0];
    const arr = body.body ? body.body : [body];
    const isSymbol = arr.length === 1 && ordAtomTypes.includes(arr[0].type);
    return {
      type: "op",
      mode: parser.mode,
      limits: true,
      parentIsSupSub: false,
      symbol: isSymbol,
      fromMathOp: true,
      stack: false,
      name: isSymbol ? arr[0].text : null,
      body: isSymbol ? null : ordargument(body)
    };
  },
  mathmlBuilder: mathmlBuilder$2
});
var singleCharIntegrals = {
  "\u222B": "\\int",
  "\u222C": "\\iint",
  "\u222D": "\\iiint",
  "\u222E": "\\oint",
  "\u222F": "\\oiint",
  "\u2230": "\\oiiint",
  "\u2231": "\\intclockwise",
  "\u2232": "\\varointclockwise",
  "\u2A0C": "\\iiiint",
  "\u2A0D": "\\intbar",
  "\u2A0E": "\\intBar",
  "\u2A0F": "\\fint",
  "\u2A12": "\\rppolint",
  "\u2A13": "\\scpolint",
  "\u2A15": "\\pointint",
  "\u2A16": "\\sqint",
  "\u2A17": "\\intlarhk",
  "\u2A18": "\\intx",
  "\u2A19": "\\intcap",
  "\u2A1A": "\\intcup"
};
defineFunction({
  type: "op",
  names: [
    "\\arcsin",
    "\\arccos",
    "\\arctan",
    "\\arctg",
    "\\arcctg",
    "\\arg",
    "\\ch",
    "\\cos",
    "\\cosec",
    "\\cosh",
    "\\cot",
    "\\cotg",
    "\\coth",
    "\\csc",
    "\\ctg",
    "\\cth",
    "\\deg",
    "\\dim",
    "\\exp",
    "\\hom",
    "\\ker",
    "\\lg",
    "\\ln",
    "\\log",
    "\\sec",
    "\\sin",
    "\\sinh",
    "\\sh",
    "\\sgn",
    "\\tan",
    "\\tanh",
    "\\tg",
    "\\th"
  ],
  props: {
    numArgs: 0
  },
  handler({ parser, funcName }) {
    const prevAtomType = parser.prevAtomType;
    const next = parser.gullet.future().text;
    return {
      type: "op",
      mode: parser.mode,
      limits: false,
      parentIsSupSub: false,
      symbol: false,
      stack: false,
      isFollowedByDelimiter: isDelimiter(next),
      needsLeadingSpace: prevAtomType.length > 0 && ordTypes.includes(prevAtomType),
      name: funcName
    };
  },
  mathmlBuilder: mathmlBuilder$2
});
defineFunction({
  type: "op",
  names: ["\\det", "\\gcd", "\\inf", "\\lim", "\\max", "\\min", "\\Pr", "\\sup"],
  props: {
    numArgs: 0
  },
  handler({ parser, funcName }) {
    const prevAtomType = parser.prevAtomType;
    const next = parser.gullet.future().text;
    return {
      type: "op",
      mode: parser.mode,
      limits: true,
      parentIsSupSub: false,
      symbol: false,
      stack: false,
      isFollowedByDelimiter: isDelimiter(next),
      needsLeadingSpace: prevAtomType.length > 0 && ordTypes.includes(prevAtomType),
      name: funcName
    };
  },
  mathmlBuilder: mathmlBuilder$2
});
defineFunction({
  type: "op",
  names: [
    "\\int",
    "\\iint",
    "\\iiint",
    "\\iiiint",
    "\\oint",
    "\\oiint",
    "\\oiiint",
    "\\intclockwise",
    "\\varointclockwise",
    "\\intbar",
    "\\intBar",
    "\\fint",
    "\\rppolint",
    "\\scpolint",
    "\\pointint",
    "\\sqint",
    "\\intlarhk",
    "\\intx",
    "\\intcap",
    "\\intcup",
    "\u222B",
    "\u222C",
    "\u222D",
    "\u222E",
    "\u222F",
    "\u2230",
    "\u2231",
    "\u2232",
    "\u2A0C",
    "\u2A0D",
    "\u2A0E",
    "\u2A0F",
    "\u2A12",
    "\u2A13",
    "\u2A15",
    "\u2A16",
    "\u2A17",
    "\u2A18",
    "\u2A19",
    "\u2A1A"
  ],
  props: {
    numArgs: 0
  },
  handler({ parser, funcName }) {
    let fName = funcName;
    if (fName.length === 1) {
      fName = singleCharIntegrals[fName];
    }
    return {
      type: "op",
      mode: parser.mode,
      limits: false,
      parentIsSupSub: false,
      symbol: true,
      stack: false,
      name: fName
    };
  },
  mathmlBuilder: mathmlBuilder$2
});
var mathmlBuilder$1 = (group, style) => {
  let expression = buildExpression(group.body, style.withFont("mathrm"));
  let isAllString = true;
  for (let i = 0; i < expression.length; i++) {
    let node = expression[i];
    if (node instanceof mathMLTree.MathNode) {
      if (node.type === "mrow" && node.children.length === 1 && node.children[0] instanceof mathMLTree.MathNode) {
        node = node.children[0];
      }
      switch (node.type) {
        case "mi":
        case "mn":
        case "ms":
        case "mtext":
          break;
        // Do nothing yet.
        case "mspace":
          {
            if (node.attributes.width) {
              const width = node.attributes.width.replace("em", "");
              const ch = spaceCharacter(Number(width));
              if (ch === "") {
                isAllString = false;
              } else {
                expression[i] = new mathMLTree.MathNode("mtext", [new mathMLTree.TextNode(ch)]);
              }
            }
          }
          break;
        case "mo": {
          const child = node.children[0];
          if (node.children.length === 1 && child instanceof mathMLTree.TextNode) {
            child.text = child.text.replace(/\u2212/, "-").replace(/\u2217/, "*");
          } else {
            isAllString = false;
          }
          break;
        }
        default:
          isAllString = false;
      }
    } else {
      isAllString = false;
    }
  }
  if (isAllString) {
    const word = expression.map((node) => node.toText()).join("");
    expression = [new mathMLTree.TextNode(word)];
  } else if (expression.length === 1 && ["mover", "munder"].includes(expression[0].type) && (expression[0].children[0].type === "mi" || expression[0].children[0].type === "mtext")) {
    expression[0].children[0].type = "mi";
    if (group.parentIsSupSub) {
      return new mathMLTree.MathNode("mrow", expression);
    } else {
      const operator = new mathMLTree.MathNode("mo", [makeText("\u2061", "text")]);
      return mathMLTree.newDocumentFragment([expression[0], operator]);
    }
  }
  let wrapper;
  if (isAllString) {
    wrapper = new mathMLTree.MathNode("mi", expression);
    if (expression[0].text.length === 1) {
      wrapper.setAttribute("mathvariant", "normal");
    }
  } else {
    wrapper = new mathMLTree.MathNode("mrow", expression);
  }
  if (!group.parentIsSupSub) {
    const operator = new mathMLTree.MathNode("mo", [makeText("\u2061", "text")]);
    const fragment = [wrapper, operator];
    if (group.needsLeadingSpace) {
      const space = new mathMLTree.MathNode("mspace");
      space.setAttribute("width", "0.1667em");
      fragment.unshift(space);
    }
    if (!group.isFollowedByDelimiter) {
      const trail = new mathMLTree.MathNode("mspace");
      trail.setAttribute("width", "0.1667em");
      fragment.push(trail);
    }
    return mathMLTree.newDocumentFragment(fragment);
  }
  return wrapper;
};
defineFunction({
  type: "operatorname",
  names: ["\\operatorname@", "\\operatornamewithlimits"],
  props: {
    numArgs: 1,
    allowedInArgument: true
  },
  handler: ({ parser, funcName }, args) => {
    const body = args[0];
    const prevAtomType = parser.prevAtomType;
    const next = parser.gullet.future().text;
    return {
      type: "operatorname",
      mode: parser.mode,
      body: ordargument(body),
      alwaysHandleSupSub: funcName === "\\operatornamewithlimits",
      limits: false,
      parentIsSupSub: false,
      isFollowedByDelimiter: isDelimiter(next),
      needsLeadingSpace: prevAtomType.length > 0 && ordTypes.includes(prevAtomType)
    };
  },
  mathmlBuilder: mathmlBuilder$1
});
defineMacro(
  "\\operatorname",
  "\\@ifstar\\operatornamewithlimits\\operatorname@"
);
defineFunctionBuilders({
  type: "ordgroup",
  mathmlBuilder(group, style) {
    return buildExpressionRow(group.body, style, group.semisimple);
  }
});
defineFunction({
  type: "phantom",
  names: ["\\phantom"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: ({ parser }, args) => {
    const body = args[0];
    return {
      type: "phantom",
      mode: parser.mode,
      body: ordargument(body)
    };
  },
  mathmlBuilder: (group, style) => {
    const inner2 = buildExpression(group.body, style);
    return new mathMLTree.MathNode("mphantom", inner2);
  }
});
defineFunction({
  type: "hphantom",
  names: ["\\hphantom"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: ({ parser }, args) => {
    const body = args[0];
    return {
      type: "hphantom",
      mode: parser.mode,
      body
    };
  },
  mathmlBuilder: (group, style) => {
    const inner2 = buildExpression(ordargument(group.body), style);
    const phantom = new mathMLTree.MathNode("mphantom", inner2);
    const node = new mathMLTree.MathNode("mpadded", [phantom]);
    node.setAttribute("height", "0px");
    node.setAttribute("depth", "0px");
    return node;
  }
});
defineFunction({
  type: "vphantom",
  names: ["\\vphantom"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: ({ parser }, args) => {
    const body = args[0];
    return {
      type: "vphantom",
      mode: parser.mode,
      body
    };
  },
  mathmlBuilder: (group, style) => {
    const inner2 = buildExpression(ordargument(group.body), style);
    const phantom = new mathMLTree.MathNode("mphantom", inner2);
    const node = new mathMLTree.MathNode("mpadded", [phantom]);
    node.setAttribute("width", "0px");
    return node;
  }
});
defineFunction({
  type: "pmb",
  names: ["\\pmb"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler({ parser }, args) {
    return {
      type: "pmb",
      mode: parser.mode,
      body: ordargument(args[0])
    };
  },
  mathmlBuilder(group, style) {
    const inner2 = buildExpression(group.body, style);
    const node = wrapWithMstyle(inner2);
    node.setAttribute("style", "font-weight:bold");
    return node;
  }
});
var mathmlBuilder = (group, style) => {
  const newStyle = style.withLevel(StyleLevel.TEXT);
  const node = new mathMLTree.MathNode("mpadded", [buildGroup$1(group.body, newStyle)]);
  const dy = calculateSize(group.dy, style);
  node.setAttribute("voffset", dy.number + dy.unit);
  if (dy.number > 0) {
    node.style.padding = dy.number + dy.unit + " 0 0 0";
  } else {
    node.style.padding = "0 0 " + Math.abs(dy.number) + dy.unit + " 0";
  }
  return node;
};
defineFunction({
  type: "raise",
  names: ["\\raise", "\\lower"],
  props: {
    numArgs: 2,
    argTypes: ["size", "primitive"],
    primitive: true
  },
  handler({ parser, funcName }, args) {
    const amount = assertNodeType(args[0], "size").value;
    if (funcName === "\\lower") {
      amount.number *= -1;
    }
    const body = args[1];
    return {
      type: "raise",
      mode: parser.mode,
      dy: amount,
      body
    };
  },
  mathmlBuilder
});
defineFunction({
  type: "raise",
  names: ["\\raisebox"],
  props: {
    numArgs: 2,
    argTypes: ["size", "hbox"],
    allowedInText: true
  },
  handler({ parser, funcName }, args) {
    const amount = assertNodeType(args[0], "size").value;
    const body = args[1];
    return {
      type: "raise",
      mode: parser.mode,
      dy: amount,
      body
    };
  },
  mathmlBuilder
});
defineFunction({
  type: "ref",
  names: ["\\ref", "\\eqref"],
  props: {
    numArgs: 1,
    argTypes: ["raw"]
  },
  handler({ parser, funcName }, args) {
    return {
      type: "ref",
      mode: parser.mode,
      funcName,
      string: args[0].string.replace(invalidIdRegEx, "")
    };
  },
  mathmlBuilder(group, style) {
    const classes = group.funcName === "\\ref" ? ["tml-ref"] : ["tml-ref", "tml-eqref"];
    return new AnchorNode("#" + group.string, classes, null);
  }
});
defineFunction({
  type: "reflect",
  names: ["\\reflectbox"],
  props: {
    numArgs: 1,
    argTypes: ["hbox"],
    allowedInText: true
  },
  handler({ parser }, args) {
    return {
      type: "reflect",
      mode: parser.mode,
      body: args[0]
    };
  },
  mathmlBuilder(group, style) {
    const node = buildGroup$1(group.body, style);
    node.style.transform = "scaleX(-1)";
    return node;
  }
});
defineFunction({
  type: "internal",
  names: ["\\relax"],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler({ parser }) {
    return {
      type: "internal",
      mode: parser.mode
    };
  }
});
defineFunction({
  type: "rule",
  names: ["\\rule"],
  props: {
    numArgs: 2,
    numOptionalArgs: 1,
    allowedInText: true,
    allowedInMath: true,
    argTypes: ["size", "size", "size"]
  },
  handler({ parser }, args, optArgs) {
    const shift = optArgs[0];
    const width = assertNodeType(args[0], "size");
    const height = assertNodeType(args[1], "size");
    return {
      type: "rule",
      mode: parser.mode,
      shift: shift && assertNodeType(shift, "size").value,
      width: width.value,
      height: height.value
    };
  },
  mathmlBuilder(group, style) {
    const width = calculateSize(group.width, style);
    const height = calculateSize(group.height, style);
    const shift = group.shift ? calculateSize(group.shift, style) : { number: 0, unit: "em" };
    const color = style.color && style.getColor() || "black";
    const rule = new mathMLTree.MathNode("mspace");
    if (width.number > 0 && height.number > 0) {
      rule.setAttribute("mathbackground", color);
    }
    rule.setAttribute("width", width.number + width.unit);
    rule.setAttribute("height", height.number + height.unit);
    if (shift.number === 0) {
      return rule;
    }
    const wrapper = new mathMLTree.MathNode("mpadded", [rule]);
    if (shift.number >= 0) {
      wrapper.setAttribute("height", "+" + shift.number + shift.unit);
    } else {
      wrapper.setAttribute("height", shift.number + shift.unit);
      wrapper.setAttribute("depth", "+" + -shift.number + shift.unit);
    }
    wrapper.setAttribute("voffset", shift.number + shift.unit);
    return wrapper;
  }
});
var sizeMap = {
  "\\tiny": 0.5,
  "\\sixptsize": 0.6,
  "\\Tiny": 0.6,
  "\\scriptsize": 0.7,
  "\\footnotesize": 0.8,
  "\\small": 0.9,
  "\\normalsize": 1,
  "\\large": 1.2,
  "\\Large": 1.44,
  "\\LARGE": 1.728,
  "\\huge": 2.074,
  "\\Huge": 2.488
};
defineFunction({
  type: "sizing",
  names: [
    "\\tiny",
    "\\sixptsize",
    "\\Tiny",
    "\\scriptsize",
    "\\footnotesize",
    "\\small",
    "\\normalsize",
    "\\large",
    "\\Large",
    "\\LARGE",
    "\\huge",
    "\\Huge"
  ],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler: ({ breakOnTokenText, funcName, parser }, args) => {
    if (parser.settings.strict && parser.mode === "math") {
      console.log(`Temml strict-mode warning: Command ${funcName} is invalid in math mode.`);
    }
    const body = parser.parseExpression(false, breakOnTokenText, true);
    return {
      type: "sizing",
      mode: parser.mode,
      funcName,
      body
    };
  },
  mathmlBuilder: (group, style) => {
    const newStyle = style.withFontSize(sizeMap[group.funcName]);
    const inner2 = buildExpression(group.body, newStyle);
    const node = wrapWithMstyle(inner2);
    const factor = (sizeMap[group.funcName] / style.fontSize).toFixed(4);
    node.setAttribute("mathsize", factor + "em");
    return node;
  }
});
defineFunction({
  type: "smash",
  names: ["\\smash"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1,
    allowedInText: true
  },
  handler: ({ parser }, args, optArgs) => {
    let smashHeight = false;
    let smashDepth = false;
    const tbArg = optArgs[0] && assertNodeType(optArgs[0], "ordgroup");
    if (tbArg) {
      let letter = "";
      for (let i = 0; i < tbArg.body.length; ++i) {
        const node = tbArg.body[i];
        letter = node.text;
        if (letter === "t") {
          smashHeight = true;
        } else if (letter === "b") {
          smashDepth = true;
        } else {
          smashHeight = false;
          smashDepth = false;
          break;
        }
      }
    } else {
      smashHeight = true;
      smashDepth = true;
    }
    const body = args[0];
    return {
      type: "smash",
      mode: parser.mode,
      body,
      smashHeight,
      smashDepth
    };
  },
  mathmlBuilder: (group, style) => {
    const node = new mathMLTree.MathNode("mpadded", [buildGroup$1(group.body, style)]);
    if (group.smashHeight) {
      node.setAttribute("height", "0px");
    }
    if (group.smashDepth) {
      node.setAttribute("depth", "0px");
    }
    return node;
  }
});
defineFunction({
  type: "sqrt",
  names: ["\\sqrt"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1
  },
  handler({ parser }, args, optArgs) {
    const index = optArgs[0];
    const body = args[0];
    return {
      type: "sqrt",
      mode: parser.mode,
      body,
      index
    };
  },
  mathmlBuilder(group, style) {
    const { body, index } = group;
    return index ? new mathMLTree.MathNode("mroot", [
      buildGroup$1(body, style),
      buildGroup$1(index, style.incrementLevel())
    ]) : new mathMLTree.MathNode("msqrt", [buildGroup$1(body, style)]);
  }
});
var styleMap = {
  display: 0,
  text: 1,
  script: 2,
  scriptscript: 3
};
var styleAttributes = {
  display: ["0", "true"],
  text: ["0", "false"],
  script: ["1", "false"],
  scriptscript: ["2", "false"]
};
defineFunction({
  type: "styling",
  names: ["\\displaystyle", "\\textstyle", "\\scriptstyle", "\\scriptscriptstyle"],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler({ breakOnTokenText, funcName, parser }, args) {
    const body = parser.parseExpression(true, breakOnTokenText, true);
    const scriptLevel2 = funcName.slice(1, funcName.length - 5);
    return {
      type: "styling",
      mode: parser.mode,
      // Figure out what scriptLevel to use by pulling out the scriptLevel from
      // the function name
      scriptLevel: scriptLevel2,
      body
    };
  },
  mathmlBuilder(group, style) {
    const newStyle = style.withLevel(styleMap[group.scriptLevel]);
    const inner2 = buildExpression(group.body, newStyle);
    const node = wrapWithMstyle(inner2);
    const attr = styleAttributes[group.scriptLevel];
    node.setAttribute("scriptlevel", attr[0]);
    node.setAttribute("displaystyle", attr[1]);
    return node;
  }
});
var symbolRegEx = /^m(over|under|underover)$/;
defineFunctionBuilders({
  type: "supsub",
  mathmlBuilder(group, style) {
    let isBrace = false;
    let isOver;
    let isSup;
    let appendApplyFunction = false;
    let appendSpace = false;
    let needsLeadingSpace = false;
    if (group.base && group.base.type === "horizBrace") {
      isSup = !!group.sup;
      if (isSup === group.base.isOver) {
        isBrace = true;
        isOver = group.base.isOver;
      }
    }
    if (group.base && !group.base.stack && (group.base.type === "op" || group.base.type === "operatorname")) {
      group.base.parentIsSupSub = true;
      appendApplyFunction = !group.base.symbol;
      appendSpace = appendApplyFunction && !group.isFollowedByDelimiter;
      needsLeadingSpace = group.base.needsLeadingSpace;
    }
    const children = group.base && group.base.stack ? [buildGroup$1(group.base.body[0], style)] : [buildGroup$1(group.base, style)];
    const childStyle = style.inSubOrSup();
    if (group.sub) {
      const sub = buildGroup$1(group.sub, childStyle);
      if (style.level === 3) {
        sub.setAttribute("scriptlevel", "2");
      }
      children.push(sub);
    }
    if (group.sup) {
      const sup = buildGroup$1(group.sup, childStyle);
      if (style.level === 3) {
        sup.setAttribute("scriptlevel", "2");
      }
      const testNode = sup.type === "mrow" ? sup.children[0] : sup;
      if (testNode && testNode.type === "mo" && testNode.classes.includes("tml-prime") && group.base && group.base.text && "fF".indexOf(group.base.text) > -1) {
        testNode.classes.push("prime-pad");
      }
      children.push(sup);
    }
    let nodeType;
    if (isBrace) {
      nodeType = isOver ? "mover" : "munder";
    } else if (!group.sub) {
      const base = group.base;
      if (base && base.type === "op" && base.limits && (style.level === StyleLevel.DISPLAY || base.alwaysHandleSupSub)) {
        nodeType = "mover";
      } else if (base && base.type === "operatorname" && base.alwaysHandleSupSub && (base.limits || style.level === StyleLevel.DISPLAY)) {
        nodeType = "mover";
      } else {
        nodeType = "msup";
      }
    } else if (!group.sup) {
      const base = group.base;
      if (base && base.type === "op" && base.limits && (style.level === StyleLevel.DISPLAY || base.alwaysHandleSupSub)) {
        nodeType = "munder";
      } else if (base && base.type === "operatorname" && base.alwaysHandleSupSub && (base.limits || style.level === StyleLevel.DISPLAY)) {
        nodeType = "munder";
      } else {
        nodeType = "msub";
      }
    } else {
      const base = group.base;
      if (base && (base.type === "op" && base.limits || base.type === "multiscript") && (style.level === StyleLevel.DISPLAY || base.alwaysHandleSupSub)) {
        nodeType = "munderover";
      } else if (base && base.type === "operatorname" && base.alwaysHandleSupSub && (style.level === StyleLevel.DISPLAY || base.limits)) {
        nodeType = "munderover";
      } else {
        nodeType = "msubsup";
      }
    }
    let node = new mathMLTree.MathNode(nodeType, children);
    if (appendApplyFunction) {
      const operator = new mathMLTree.MathNode("mo", [makeText("\u2061", "text")]);
      if (needsLeadingSpace) {
        const space = new mathMLTree.MathNode("mspace");
        space.setAttribute("width", "0.1667em");
        node = mathMLTree.newDocumentFragment([space, node, operator]);
      } else {
        node = mathMLTree.newDocumentFragment([node, operator]);
      }
      if (appendSpace) {
        const space = new mathMLTree.MathNode("mspace");
        space.setAttribute("width", "0.1667em");
        node.children.push(space);
      }
    } else if (symbolRegEx.test(nodeType)) {
      node = new mathMLTree.MathNode("mrow", [node]);
    }
    return node;
  }
});
var short = [
  "\\shortmid",
  "\\nshortmid",
  "\\shortparallel",
  "\\nshortparallel",
  "\\smallsetminus"
];
var arrows = ["\\Rsh", "\\Lsh", "\\restriction"];
var isArrow = (str) => {
  if (str.length === 1) {
    const codePoint = str.codePointAt(0);
    return 8591 < codePoint && codePoint < 8704;
  }
  return str.indexOf("arrow") > -1 || str.indexOf("harpoon") > -1 || arrows.includes(str);
};
defineFunctionBuilders({
  type: "atom",
  mathmlBuilder(group, style) {
    const node = new mathMLTree.MathNode("mo", [makeText(group.text, group.mode)]);
    if (group.family === "punct") {
      node.setAttribute("separator", "true");
    } else if (group.family === "open" || group.family === "close") {
      if (group.family === "open") {
        node.setAttribute("form", "prefix");
        node.setAttribute("stretchy", "false");
      } else if (group.family === "close") {
        node.setAttribute("form", "postfix");
        node.setAttribute("stretchy", "false");
      }
    } else if (group.text === "\\mid") {
      node.setAttribute("lspace", "0.22em");
      node.setAttribute("rspace", "0.22em");
      node.setAttribute("stretchy", "false");
    } else if (group.family === "rel" && isArrow(group.text)) {
      node.setAttribute("stretchy", "false");
    } else if (short.includes(group.text)) {
      node.setAttribute("mathsize", "70%");
    } else if (group.text === ":") {
      node.attributes.lspace = "0.2222em";
      node.attributes.rspace = "0.2222em";
    }
    return node;
  }
});
var fontMap = {
  // styles
  mathbf: "bold",
  mathrm: "normal",
  textit: "italic",
  mathit: "italic",
  mathnormal: "italic",
  // families
  mathbb: "double-struck",
  mathcal: "script",
  mathfrak: "fraktur",
  mathscr: "script",
  mathsf: "sans-serif",
  mathtt: "monospace"
};
var getVariant = function(group, style) {
  if (style.fontFamily === "texttt") {
    return "monospace";
  } else if (style.fontFamily === "textsc") {
    return "normal";
  } else if (style.fontFamily === "textsf") {
    if (style.fontShape === "textit" && style.fontWeight === "textbf") {
      return "sans-serif-bold-italic";
    } else if (style.fontShape === "textit") {
      return "sans-serif-italic";
    } else if (style.fontWeight === "textbf") {
      return "sans-serif-bold";
    } else {
      return "sans-serif";
    }
  } else if (style.fontShape === "textit" && style.fontWeight === "textbf") {
    return "bold-italic";
  } else if (style.fontShape === "textit") {
    return "italic";
  } else if (style.fontWeight === "textbf") {
    return "bold";
  }
  const font = style.font;
  if (!font || font === "mathnormal") {
    return null;
  }
  const mode = group.mode;
  switch (font) {
    case "mathit":
      return "italic";
    case "mathrm": {
      const codePoint = group.text.codePointAt(0);
      return 939 < codePoint && codePoint < 975 ? "italic" : "normal";
    }
    case "greekItalic":
      return "italic";
    case "up@greek":
      return "normal";
    case "boldsymbol":
    case "mathboldsymbol":
      return "bold-italic";
    case "mathbf":
      return "bold";
    case "mathbb":
      return "double-struck";
    case "mathfrak":
      return "fraktur";
    case "mathscr":
    case "mathcal":
      return "script";
    case "mathsf":
      return "sans-serif";
    case "mathsfit":
      return "sans-serif-italic";
    case "mathtt":
      return "monospace";
  }
  let text2 = group.text;
  if (symbols[mode][text2] && symbols[mode][text2].replace) {
    text2 = symbols[mode][text2].replace;
  }
  return Object.prototype.hasOwnProperty.call(fontMap, font) ? fontMap[font] : null;
};
var script = Object.freeze({
  B: 8426,
  // Offset from ASCII B to Unicode script B
  E: 8427,
  F: 8427,
  H: 8387,
  I: 8391,
  L: 8390,
  M: 8422,
  R: 8393,
  e: 8394,
  g: 8355,
  o: 8389
});
var frak = Object.freeze({
  C: 8426,
  H: 8388,
  I: 8392,
  R: 8394,
  Z: 8398
});
var bbb = Object.freeze({
  C: 8383,
  // blackboard bold
  H: 8389,
  N: 8391,
  P: 8393,
  Q: 8393,
  R: 8395,
  Z: 8394
});
var bold = Object.freeze({
  "\u03F5": 119527,
  // lunate epsilon
  "\u03D1": 119564,
  // vartheta
  "\u03F0": 119534,
  // varkappa
  "\u03C6": 119577,
  // varphi
  "\u03F1": 119535,
  // varrho
  "\u03D6": 119563
  // varpi
});
var boldItalic = Object.freeze({
  "\u03F5": 119643,
  // lunate epsilon
  "\u03D1": 119680,
  // vartheta
  "\u03F0": 119650,
  // varkappa
  "\u03C6": 119693,
  // varphi
  "\u03F1": 119651,
  // varrho
  "\u03D6": 119679
  // varpi
});
var boldsf = Object.freeze({
  "\u03F5": 119701,
  // lunate epsilon
  "\u03D1": 119738,
  // vartheta
  "\u03F0": 119708,
  // varkappa
  "\u03C6": 119751,
  // varphi
  "\u03F1": 119709,
  // varrho
  "\u03D6": 119737
  // varpi
});
var bisf = Object.freeze({
  "\u03F5": 119759,
  // lunate epsilon
  "\u03D1": 119796,
  // vartheta
  "\u03F0": 119766,
  // varkappa
  "\u03C6": 119809,
  // varphi
  "\u03F1": 119767,
  // varrho
  "\u03D6": 119795
  // varpi
});
var offset = Object.freeze({
  upperCaseLatin: {
    // A-Z
    "normal": (ch) => {
      return 0;
    },
    "bold": (ch) => {
      return 119743;
    },
    "italic": (ch) => {
      return 119795;
    },
    "bold-italic": (ch) => {
      return 119847;
    },
    "script": (ch) => {
      return script[ch] || 119899;
    },
    "script-bold": (ch) => {
      return 119951;
    },
    "fraktur": (ch) => {
      return frak[ch] || 120003;
    },
    "fraktur-bold": (ch) => {
      return 120107;
    },
    "double-struck": (ch) => {
      return bbb[ch] || 120055;
    },
    "sans-serif": (ch) => {
      return 120159;
    },
    "sans-serif-bold": (ch) => {
      return 120211;
    },
    "sans-serif-italic": (ch) => {
      return 120263;
    },
    "sans-serif-bold-italic": (ch) => {
      return 120380;
    },
    "monospace": (ch) => {
      return 120367;
    }
  },
  lowerCaseLatin: {
    // a-z
    "normal": (ch) => {
      return 0;
    },
    "bold": (ch) => {
      return 119737;
    },
    "italic": (ch) => {
      return ch === "h" ? 8358 : 119789;
    },
    "bold-italic": (ch) => {
      return 119841;
    },
    "script": (ch) => {
      return script[ch] || 119893;
    },
    "script-bold": (ch) => {
      return 119945;
    },
    "fraktur": (ch) => {
      return 119997;
    },
    "fraktur-bold": (ch) => {
      return 120101;
    },
    "double-struck": (ch) => {
      return 120049;
    },
    "sans-serif": (ch) => {
      return 120153;
    },
    "sans-serif-bold": (ch) => {
      return 120205;
    },
    "sans-serif-italic": (ch) => {
      return 120257;
    },
    "sans-serif-bold-italic": (ch) => {
      return 120309;
    },
    "monospace": (ch) => {
      return 120361;
    }
  },
  upperCaseGreek: {
    // A-Ω
    "normal": (ch) => {
      return 0;
    },
    "bold": (ch) => {
      return 119575;
    },
    "italic": (ch) => {
      return 119633;
    },
    // \boldsymbol actually returns upright bold for upperCaseGreek
    "bold-italic": (ch) => {
      return 119575;
    },
    "script": (ch) => {
      return 0;
    },
    "script-bold": (ch) => {
      return 0;
    },
    "fraktur": (ch) => {
      return 0;
    },
    "fraktur-bold": (ch) => {
      return 0;
    },
    "double-struck": (ch) => {
      return 0;
    },
    // Unicode has no code points for regular-weight san-serif Greek. Use bold.
    "sans-serif": (ch) => {
      return 119749;
    },
    "sans-serif-bold": (ch) => {
      return 119749;
    },
    "sans-serif-italic": (ch) => {
      return 0;
    },
    "sans-serif-bold-italic": (ch) => {
      return 119807;
    },
    "monospace": (ch) => {
      return 0;
    }
  },
  lowerCaseGreek: {
    // α-ω
    "normal": (ch) => {
      return 0;
    },
    "bold": (ch) => {
      return 119569;
    },
    "italic": (ch) => {
      return 119627;
    },
    "bold-italic": (ch) => {
      return ch === "\u03D5" ? 119678 : 119685;
    },
    "script": (ch) => {
      return 0;
    },
    "script-bold": (ch) => {
      return 0;
    },
    "fraktur": (ch) => {
      return 0;
    },
    "fraktur-bold": (ch) => {
      return 0;
    },
    "double-struck": (ch) => {
      return 0;
    },
    // Unicode has no code points for regular-weight san-serif Greek. Use bold.
    "sans-serif": (ch) => {
      return 119743;
    },
    "sans-serif-bold": (ch) => {
      return 119743;
    },
    "sans-serif-italic": (ch) => {
      return 0;
    },
    "sans-serif-bold-italic": (ch) => {
      return 119801;
    },
    "monospace": (ch) => {
      return 0;
    }
  },
  varGreek: {
    // \varGamma, etc
    "normal": (ch) => {
      return 0;
    },
    "bold": (ch) => {
      return bold[ch] || -51;
    },
    "italic": (ch) => {
      return 0;
    },
    "bold-italic": (ch) => {
      return boldItalic[ch] || 58;
    },
    "script": (ch) => {
      return 0;
    },
    "script-bold": (ch) => {
      return 0;
    },
    "fraktur": (ch) => {
      return 0;
    },
    "fraktur-bold": (ch) => {
      return 0;
    },
    "double-struck": (ch) => {
      return 0;
    },
    "sans-serif": (ch) => {
      return boldsf[ch] || 116;
    },
    "sans-serif-bold": (ch) => {
      return boldsf[ch] || 116;
    },
    "sans-serif-italic": (ch) => {
      return 0;
    },
    "sans-serif-bold-italic": (ch) => {
      return bisf[ch] || 174;
    },
    "monospace": (ch) => {
      return 0;
    }
  },
  numeral: {
    // 0-9
    "normal": (ch) => {
      return 0;
    },
    "bold": (ch) => {
      return 120734;
    },
    "italic": (ch) => {
      return 0;
    },
    "bold-italic": (ch) => {
      return 0;
    },
    "script": (ch) => {
      return 0;
    },
    "script-bold": (ch) => {
      return 0;
    },
    "fraktur": (ch) => {
      return 0;
    },
    "fraktur-bold": (ch) => {
      return 0;
    },
    "double-struck": (ch) => {
      return 120744;
    },
    "sans-serif": (ch) => {
      return 120754;
    },
    "sans-serif-bold": (ch) => {
      return 120764;
    },
    "sans-serif-italic": (ch) => {
      return 0;
    },
    "sans-serif-bold-italic": (ch) => {
      return 0;
    },
    "monospace": (ch) => {
      return 120774;
    }
  }
});
var variantChar = (ch, variant) => {
  const codePoint = ch.codePointAt(0);
  const block = 64 < codePoint && codePoint < 91 ? "upperCaseLatin" : 96 < codePoint && codePoint < 123 ? "lowerCaseLatin" : 912 < codePoint && codePoint < 938 ? "upperCaseGreek" : 944 < codePoint && codePoint < 970 || ch === "\u03D5" ? "lowerCaseGreek" : 120545 < codePoint && codePoint < 120572 || bold[ch] ? "varGreek" : 47 < codePoint && codePoint < 58 ? "numeral" : "other";
  return block === "other" ? ch : String.fromCodePoint(codePoint + offset[block][variant](ch));
};
var smallCaps = Object.freeze({
  a: "\u1D00",
  b: "\u0299",
  c: "\u1D04",
  d: "\u1D05",
  e: "\u1D07",
  f: "\uA730",
  g: "\u0262",
  h: "\u029C",
  i: "\u026A",
  j: "\u1D0A",
  k: "\u1D0B",
  l: "\u029F",
  m: "\u1D0D",
  n: "\u0274",
  o: "\u1D0F",
  p: "\u1D18",
  q: "\u01EB",
  r: "\u0280",
  s: "s",
  t: "\u1D1B",
  u: "\u1D1C",
  v: "\u1D20",
  w: "\u1D21",
  x: "x",
  y: "\u028F",
  z: "\u1D22"
});
var numberRegEx = /^\d(?:[\d,.]*\d)?$/;
var latinRegEx = /[A-Ba-z]/;
var primes = /* @__PURE__ */ new Set([
  "\\prime",
  "\\dprime",
  "\\trprime",
  "\\qprime",
  "\\backprime",
  "\\backdprime",
  "\\backtrprime"
]);
var italicNumber = (text2, variant, tag) => {
  const mn = new mathMLTree.MathNode(tag, [text2]);
  const wrapper = new mathMLTree.MathNode("mstyle", [mn]);
  wrapper.style["font-style"] = "italic";
  wrapper.style["font-family"] = "Cambria, 'Times New Roman', serif";
  if (variant === "bold-italic") {
    wrapper.style["font-weight"] = "bold";
  }
  return wrapper;
};
defineFunctionBuilders({
  type: "mathord",
  mathmlBuilder(group, style) {
    const text2 = makeText(group.text, group.mode, style);
    const codePoint = text2.text.codePointAt(0);
    const defaultVariant = 912 < codePoint && codePoint < 938 ? "normal" : "italic";
    const variant = getVariant(group, style) || defaultVariant;
    if (variant === "script") {
      text2.text = variantChar(text2.text, variant);
      return new mathMLTree.MathNode("mi", [text2], [style.font]);
    } else if (variant !== "italic") {
      text2.text = variantChar(text2.text, variant);
    }
    let node = new mathMLTree.MathNode("mi", [text2]);
    if (variant === "normal") {
      node.setAttribute("mathvariant", "normal");
      if (text2.text.length === 1) {
        node = new mathMLTree.MathNode("mrow", [node]);
      }
    }
    return node;
  }
});
defineFunctionBuilders({
  type: "textord",
  mathmlBuilder(group, style) {
    let ch = group.text;
    const codePoint = ch.codePointAt(0);
    if (style.fontFamily === "textsc") {
      if (96 < codePoint && codePoint < 123) {
        ch = smallCaps[ch];
      }
    }
    const text2 = makeText(ch, group.mode, style);
    const variant = getVariant(group, style) || "normal";
    let node;
    if (numberRegEx.test(group.text)) {
      const tag = group.mode === "text" ? "mtext" : "mn";
      if (variant === "italic" || variant === "bold-italic") {
        return italicNumber(text2, variant, tag);
      } else {
        if (variant !== "normal") {
          text2.text = text2.text.split("").map((c) => variantChar(c, variant)).join("");
        }
        node = new mathMLTree.MathNode(tag, [text2]);
      }
    } else if (group.mode === "text") {
      if (variant !== "normal") {
        text2.text = variantChar(text2.text, variant);
      }
      node = new mathMLTree.MathNode("mtext", [text2]);
    } else if (primes.has(group.text)) {
      node = new mathMLTree.MathNode("mo", [text2]);
      node.classes.push("tml-prime");
    } else {
      const origText = text2.text;
      if (variant !== "italic") {
        text2.text = variantChar(text2.text, variant);
      }
      node = new mathMLTree.MathNode("mi", [text2]);
      if (text2.text === origText && latinRegEx.test(origText)) {
        node.setAttribute("mathvariant", "italic");
      }
    }
    return node;
  }
});
var cssSpace = {
  "\\nobreak": "nobreak",
  "\\allowbreak": "allowbreak"
};
var regularSpace = {
  " ": {},
  "\\ ": {},
  "~": {
    className: "nobreak"
  },
  "\\space": {},
  "\\nobreakspace": {
    className: "nobreak"
  }
};
defineFunctionBuilders({
  type: "spacing",
  mathmlBuilder(group, style) {
    let node;
    if (Object.prototype.hasOwnProperty.call(regularSpace, group.text)) {
      node = new mathMLTree.MathNode("mtext", [new mathMLTree.TextNode("\xA0")]);
    } else if (Object.prototype.hasOwnProperty.call(cssSpace, group.text)) {
      node = new mathMLTree.MathNode("mo");
      if (group.text === "\\nobreak") {
        node.setAttribute("linebreak", "nobreak");
      }
    } else {
      throw new ParseError(`Unknown type of space "${group.text}"`);
    }
    return node;
  }
});
defineFunctionBuilders({
  type: "tag"
});
var textFontFamilies = {
  "\\text": void 0,
  "\\textrm": "textrm",
  "\\textsf": "textsf",
  "\\texttt": "texttt",
  "\\textnormal": "textrm",
  "\\textsc": "textsc"
  // small caps
};
var textFontWeights = {
  "\\textbf": "textbf",
  "\\textmd": "textmd"
};
var textFontShapes = {
  "\\textit": "textit",
  "\\textup": "textup"
};
var styleWithFont = (group, style) => {
  const font = group.font;
  if (!font) {
    return style;
  } else if (textFontFamilies[font]) {
    return style.withTextFontFamily(textFontFamilies[font]);
  } else if (textFontWeights[font]) {
    return style.withTextFontWeight(textFontWeights[font]);
  } else if (font === "\\emph") {
    return style.fontShape === "textit" ? style.withTextFontShape("textup") : style.withTextFontShape("textit");
  }
  return style.withTextFontShape(textFontShapes[font]);
};
defineFunction({
  type: "text",
  names: [
    // Font families
    "\\text",
    "\\textrm",
    "\\textsf",
    "\\texttt",
    "\\textnormal",
    "\\textsc",
    // Font weights
    "\\textbf",
    "\\textmd",
    // Font Shapes
    "\\textit",
    "\\textup",
    "\\emph"
  ],
  props: {
    numArgs: 1,
    argTypes: ["text"],
    allowedInArgument: true,
    allowedInText: true
  },
  handler({ parser, funcName }, args) {
    const body = args[0];
    return {
      type: "text",
      mode: parser.mode,
      body: ordargument(body),
      font: funcName
    };
  },
  mathmlBuilder(group, style) {
    const newStyle = styleWithFont(group, style);
    const mrow = buildExpressionRow(group.body, newStyle);
    return consolidateText(mrow);
  }
});
defineFunction({
  type: "vcenter",
  names: ["\\vcenter"],
  props: {
    numArgs: 1,
    argTypes: ["original"],
    allowedInText: false
  },
  handler({ parser }, args) {
    return {
      type: "vcenter",
      mode: parser.mode,
      body: args[0]
    };
  },
  mathmlBuilder(group, style) {
    const mtd = new mathMLTree.MathNode("mtd", [buildGroup$1(group.body, style)]);
    mtd.style.padding = "0";
    const mtr = new mathMLTree.MathNode("mtr", [mtd]);
    return new mathMLTree.MathNode("mtable", [mtr]);
  }
});
defineFunction({
  type: "verb",
  names: ["\\verb"],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler(context, args, optArgs) {
    throw new ParseError("\\verb ended by end of line instead of matching delimiter");
  },
  mathmlBuilder(group, style) {
    const text2 = new mathMLTree.TextNode(makeVerb(group));
    const node = new mathMLTree.MathNode("mtext", [text2]);
    node.setAttribute("mathvariant", "monospace");
    return node;
  }
});
var makeVerb = (group) => group.body.replace(/ /g, group.star ? "\u2423" : "\xA0");
var functions = _functions;
var spaceRegexString = "[ \r\n	]";
var controlWordRegexString = "\\\\[a-zA-Z@]+";
var controlSymbolRegexString = "\\\\[^\uD800-\uDFFF]";
var controlWordWhitespaceRegexString = `(${controlWordRegexString})${spaceRegexString}*`;
var controlSpaceRegexString = "\\\\(\n|[ \r	]+\n?)[ \r	]*";
var combiningDiacriticalMarkString = "[\u0300-\u036F]";
var combiningDiacriticalMarksEndRegex = new RegExp(`${combiningDiacriticalMarkString}+$`);
var tokenRegexString = `(${spaceRegexString}+)|${controlSpaceRegexString}|([!-\\[\\]-\u2027\u202A-\uD7FF\uF900-\uFFFF]${combiningDiacriticalMarkString}*|[\uD800-\uDBFF][\uDC00-\uDFFF]${combiningDiacriticalMarkString}*|\\\\verb\\*([^]).*?\\4|\\\\verb([^*a-zA-Z]).*?\\5|${controlWordWhitespaceRegexString}|${controlSymbolRegexString})`;
var Lexer = class {
  constructor(input, settings) {
    this.input = input;
    this.settings = settings;
    this.tokenRegex = new RegExp(tokenRegexString, "g");
    this.catcodes = {
      "%": 14,
      // comment character
      "~": 13
      // active character
    };
  }
  setCatcode(char, code) {
    this.catcodes[char] = code;
  }
  /**
   * This function lexes a single token.
   */
  lex() {
    const input = this.input;
    const pos = this.tokenRegex.lastIndex;
    if (pos === input.length) {
      return new Token("EOF", new SourceLocation(this, pos, pos));
    }
    const match = this.tokenRegex.exec(input);
    if (match === null || match.index !== pos) {
      throw new ParseError(
        `Unexpected character: '${input[pos]}'`,
        new Token(input[pos], new SourceLocation(this, pos, pos + 1))
      );
    }
    const text2 = match[6] || match[3] || (match[2] ? "\\ " : " ");
    if (this.catcodes[text2] === 14) {
      const nlIndex = input.indexOf("\n", this.tokenRegex.lastIndex);
      if (nlIndex === -1) {
        this.tokenRegex.lastIndex = input.length;
        if (this.settings.strict) {
          throw new ParseError("% comment has no terminating newline; LaTeX would fail because of commenting the end of math mode");
        }
      } else {
        this.tokenRegex.lastIndex = nlIndex + 1;
      }
      return this.lex();
    }
    return new Token(text2, new SourceLocation(this, pos, this.tokenRegex.lastIndex));
  }
};
var Namespace = class {
  /**
   * Both arguments are optional.  The first argument is an object of
   * built-in mappings which never change.  The second argument is an object
   * of initial (global-level) mappings, which will constantly change
   * according to any global/top-level `set`s done.
   */
  constructor(builtins = {}, globalMacros = {}) {
    this.current = globalMacros;
    this.builtins = builtins;
    this.undefStack = [];
  }
  /**
   * Start a new nested group, affecting future local `set`s.
   */
  beginGroup() {
    this.undefStack.push({});
  }
  /**
   * End current nested group, restoring values before the group began.
   */
  endGroup() {
    if (this.undefStack.length === 0) {
      throw new ParseError(
        "Unbalanced namespace destruction: attempt to pop global namespace; please report this as a bug"
      );
    }
    const undefs = this.undefStack.pop();
    for (const undef in undefs) {
      if (Object.prototype.hasOwnProperty.call(undefs, undef)) {
        if (undefs[undef] === void 0) {
          delete this.current[undef];
        } else {
          this.current[undef] = undefs[undef];
        }
      }
    }
  }
  /**
   * Detect whether `name` has a definition.  Equivalent to
   * `get(name) != null`.
   */
  has(name) {
    return Object.prototype.hasOwnProperty.call(this.current, name) || Object.prototype.hasOwnProperty.call(this.builtins, name);
  }
  /**
   * Get the current value of a name, or `undefined` if there is no value.
   *
   * Note: Do not use `if (namespace.get(...))` to detect whether a macro
   * is defined, as the definition may be the empty string which evaluates
   * to `false` in JavaScript.  Use `if (namespace.get(...) != null)` or
   * `if (namespace.has(...))`.
   */
  get(name) {
    if (Object.prototype.hasOwnProperty.call(this.current, name)) {
      return this.current[name];
    } else {
      return this.builtins[name];
    }
  }
  /**
   * Set the current value of a name, and optionally set it globally too.
   * Local set() sets the current value and (when appropriate) adds an undo
   * operation to the undo stack.  Global set() may change the undo
   * operation at every level, so takes time linear in their number.
   */
  set(name, value, global = false) {
    if (global) {
      for (let i = 0; i < this.undefStack.length; i++) {
        delete this.undefStack[i][name];
      }
      if (this.undefStack.length > 0) {
        this.undefStack[this.undefStack.length - 1][name] = value;
      }
    } else {
      const top = this.undefStack[this.undefStack.length - 1];
      if (top && !Object.prototype.hasOwnProperty.call(top, name)) {
        top[name] = this.current[name];
      }
    }
    this.current[name] = value;
  }
};
var implicitCommands = {
  "^": true,
  // Parser.js
  _: true,
  // Parser.js
  "\\limits": true,
  // Parser.js
  "\\nolimits": true
  // Parser.js
};
var MacroExpander = class {
  constructor(input, settings, mode) {
    this.settings = settings;
    this.expansionCount = 0;
    this.feed(input);
    this.macros = new Namespace(macros, settings.macros);
    this.mode = mode;
    this.stack = [];
  }
  /**
   * Feed a new input string to the same MacroExpander
   * (with existing macros etc.).
   */
  feed(input) {
    this.lexer = new Lexer(input, this.settings);
  }
  /**
   * Switches between "text" and "math" modes.
   */
  switchMode(newMode) {
    this.mode = newMode;
  }
  /**
   * Start a new group nesting within all namespaces.
   */
  beginGroup() {
    this.macros.beginGroup();
  }
  /**
   * End current group nesting within all namespaces.
   */
  endGroup() {
    this.macros.endGroup();
  }
  /**
   * Returns the topmost token on the stack, without expanding it.
   * Similar in behavior to TeX's `\futurelet`.
   */
  future() {
    if (this.stack.length === 0) {
      this.pushToken(this.lexer.lex());
    }
    return this.stack[this.stack.length - 1];
  }
  /**
   * Remove and return the next unexpanded token.
   */
  popToken() {
    this.future();
    return this.stack.pop();
  }
  /**
   * Add a given token to the token stack.  In particular, this get be used
   * to put back a token returned from one of the other methods.
   */
  pushToken(token) {
    this.stack.push(token);
  }
  /**
   * Append an array of tokens to the token stack.
   */
  pushTokens(tokens) {
    this.stack.push(...tokens);
  }
  /**
   * Find an macro argument without expanding tokens and append the array of
   * tokens to the token stack. Uses Token as a container for the result.
   */
  scanArgument(isOptional) {
    let start;
    let end;
    let tokens;
    if (isOptional) {
      this.consumeSpaces();
      if (this.future().text !== "[") {
        return null;
      }
      start = this.popToken();
      ({ tokens, end } = this.consumeArg(["]"]));
    } else {
      ({ tokens, start, end } = this.consumeArg());
    }
    this.pushToken(new Token("EOF", end.loc));
    this.pushTokens(tokens);
    return start.range(end, "");
  }
  /**
   * Consume all following space tokens, without expansion.
   */
  consumeSpaces() {
    for (; ; ) {
      const token = this.future();
      if (token.text === " ") {
        this.stack.pop();
      } else {
        break;
      }
    }
  }
  /**
   * Consume an argument from the token stream, and return the resulting array
   * of tokens and start/end token.
   */
  consumeArg(delims) {
    const tokens = [];
    const isDelimited = delims && delims.length > 0;
    if (!isDelimited) {
      this.consumeSpaces();
    }
    const start = this.future();
    let tok;
    let depth = 0;
    let match = 0;
    do {
      tok = this.popToken();
      tokens.push(tok);
      if (tok.text === "{") {
        ++depth;
      } else if (tok.text === "}") {
        --depth;
        if (depth === -1) {
          throw new ParseError("Extra }", tok);
        }
      } else if (tok.text === "EOF") {
        throw new ParseError(
          "Unexpected end of input in a macro argument, expected '" + (delims && isDelimited ? delims[match] : "}") + "'",
          tok
        );
      }
      if (delims && isDelimited) {
        if ((depth === 0 || depth === 1 && delims[match] === "{") && tok.text === delims[match]) {
          ++match;
          if (match === delims.length) {
            tokens.splice(-match, match);
            break;
          }
        } else {
          match = 0;
        }
      }
    } while (depth !== 0 || isDelimited);
    if (start.text === "{" && tokens[tokens.length - 1].text === "}") {
      tokens.pop();
      tokens.shift();
    }
    tokens.reverse();
    return { tokens, start, end: tok };
  }
  /**
   * Consume the specified number of (delimited) arguments from the token
   * stream and return the resulting array of arguments.
   */
  consumeArgs(numArgs, delimiters2) {
    if (delimiters2) {
      if (delimiters2.length !== numArgs + 1) {
        throw new ParseError("The length of delimiters doesn't match the number of args!");
      }
      const delims = delimiters2[0];
      for (let i = 0; i < delims.length; i++) {
        const tok = this.popToken();
        if (delims[i] !== tok.text) {
          throw new ParseError("Use of the macro doesn't match its definition", tok);
        }
      }
    }
    const args = [];
    for (let i = 0; i < numArgs; i++) {
      args.push(this.consumeArg(delimiters2 && delimiters2[i + 1]).tokens);
    }
    return args;
  }
  /**
   * Expand the next token only once if possible.
   *
   * If the token is expanded, the resulting tokens will be pushed onto
   * the stack in reverse order, and the number of such tokens will be
   * returned.  This number might be zero or positive.
   *
   * If not, the return value is `false`, and the next token remains at the
   * top of the stack.
   *
   * In either case, the next token will be on the top of the stack,
   * or the stack will be empty (in case of empty expansion
   * and no other tokens).
   *
   * Used to implement `expandAfterFuture` and `expandNextToken`.
   *
   * If expandableOnly, only expandable tokens are expanded and
   * an undefined control sequence results in an error.
   */
  expandOnce(expandableOnly) {
    const topToken = this.popToken();
    const name = topToken.text;
    const expansion = !topToken.noexpand ? this._getExpansion(name) : null;
    if (expansion == null || expandableOnly && expansion.unexpandable) {
      if (expandableOnly && expansion == null && name[0] === "\\" && !this.isDefined(name)) {
        throw new ParseError("Undefined control sequence: " + name);
      }
      this.pushToken(topToken);
      return false;
    }
    this.expansionCount++;
    if (this.expansionCount > this.settings.maxExpand) {
      throw new ParseError(
        "Too many expansions: infinite loop or need to increase maxExpand setting"
      );
    }
    let tokens = expansion.tokens;
    const args = this.consumeArgs(expansion.numArgs, expansion.delimiters);
    if (expansion.numArgs) {
      tokens = tokens.slice();
      for (let i = tokens.length - 1; i >= 0; --i) {
        let tok = tokens[i];
        if (tok.text === "#") {
          if (i === 0) {
            throw new ParseError("Incomplete placeholder at end of macro body", tok);
          }
          tok = tokens[--i];
          if (tok.text === "#") {
            tokens.splice(i + 1, 1);
          } else if (/^[1-9]$/.test(tok.text)) {
            tokens.splice(i, 2, ...args[+tok.text - 1]);
          } else {
            throw new ParseError("Not a valid argument number", tok);
          }
        }
      }
    }
    this.pushTokens(tokens);
    return tokens.length;
  }
  /**
   * Expand the next token only once (if possible), and return the resulting
   * top token on the stack (without removing anything from the stack).
   * Similar in behavior to TeX's `\expandafter\futurelet`.
   * Equivalent to expandOnce() followed by future().
   */
  expandAfterFuture() {
    this.expandOnce();
    return this.future();
  }
  /**
   * Recursively expand first token, then return first non-expandable token.
   */
  expandNextToken() {
    for (; ; ) {
      if (this.expandOnce() === false) {
        const token = this.stack.pop();
        if (token.treatAsRelax) {
          token.text = "\\relax";
        }
        return token;
      }
    }
    throw new Error();
  }
  /**
   * Fully expand the given macro name and return the resulting list of
   * tokens, or return `undefined` if no such macro is defined.
   */
  expandMacro(name) {
    return this.macros.has(name) ? this.expandTokens([new Token(name)]) : void 0;
  }
  /**
   * Fully expand the given token stream and return the resulting list of
   * tokens.  Note that the input tokens are in reverse order, but the
   * output tokens are in forward order.
   */
  expandTokens(tokens) {
    const output = [];
    const oldStackLength = this.stack.length;
    this.pushTokens(tokens);
    while (this.stack.length > oldStackLength) {
      if (this.expandOnce(true) === false) {
        const token = this.stack.pop();
        if (token.treatAsRelax) {
          token.noexpand = false;
          token.treatAsRelax = false;
        }
        output.push(token);
      }
    }
    return output;
  }
  /**
   * Fully expand the given macro name and return the result as a string,
   * or return `undefined` if no such macro is defined.
   */
  expandMacroAsText(name) {
    const tokens = this.expandMacro(name);
    if (tokens) {
      return tokens.map((token) => token.text).join("");
    } else {
      return tokens;
    }
  }
  /**
   * Returns the expanded macro as a reversed array of tokens and a macro
   * argument count.  Or returns `null` if no such macro.
   */
  _getExpansion(name) {
    const definition = this.macros.get(name);
    if (definition == null) {
      return definition;
    }
    if (name.length === 1) {
      const catcode = this.lexer.catcodes[name];
      if (catcode != null && catcode !== 13) {
        return;
      }
    }
    const expansion = typeof definition === "function" ? definition(this) : definition;
    if (typeof expansion === "string") {
      let numArgs = 0;
      if (expansion.indexOf("#") !== -1) {
        const stripped = expansion.replace(/##/g, "");
        while (stripped.indexOf("#" + (numArgs + 1)) !== -1) {
          ++numArgs;
        }
      }
      const bodyLexer = new Lexer(expansion, this.settings);
      const tokens = [];
      let tok = bodyLexer.lex();
      while (tok.text !== "EOF") {
        tokens.push(tok);
        tok = bodyLexer.lex();
      }
      tokens.reverse();
      const expanded = { tokens, numArgs };
      return expanded;
    }
    return expansion;
  }
  /**
   * Determine whether a command is currently "defined" (has some
   * functionality), meaning that it's a macro (in the current group),
   * a function, a symbol, or one of the special commands listed in
   * `implicitCommands`.
   */
  isDefined(name) {
    return this.macros.has(name) || Object.prototype.hasOwnProperty.call(functions, name) || Object.prototype.hasOwnProperty.call(symbols.math, name) || Object.prototype.hasOwnProperty.call(symbols.text, name) || Object.prototype.hasOwnProperty.call(implicitCommands, name);
  }
  /**
   * Determine whether a command is expandable.
   */
  isExpandable(name) {
    const macro = this.macros.get(name);
    return macro != null ? typeof macro === "string" || typeof macro === "function" || !macro.unexpandable : Object.prototype.hasOwnProperty.call(functions, name) && !functions[name].primitive;
  }
};
var unicodeSubRegEx = /^[₊₋₌₍₎₀₁₂₃₄₅₆₇₈₉ₐₑₕᵢⱼₖₗₘₙₒₚᵣₛₜᵤᵥₓᵦᵧᵨᵩᵪ]/;
var uSubsAndSups = Object.freeze({
  "\u208A": "+",
  "\u208B": "-",
  "\u208C": "=",
  "\u208D": "(",
  "\u208E": ")",
  "\u2080": "0",
  "\u2081": "1",
  "\u2082": "2",
  "\u2083": "3",
  "\u2084": "4",
  "\u2085": "5",
  "\u2086": "6",
  "\u2087": "7",
  "\u2088": "8",
  "\u2089": "9",
  "\u2090": "a",
  "\u2091": "e",
  "\u2095": "h",
  "\u1D62": "i",
  "\u2C7C": "j",
  "\u2096": "k",
  "\u2097": "l",
  "\u2098": "m",
  "\u2099": "n",
  "\u2092": "o",
  "\u209A": "p",
  "\u1D63": "r",
  "\u209B": "s",
  "\u209C": "t",
  "\u1D64": "u",
  "\u1D65": "v",
  "\u2093": "x",
  "\u1D66": "\u03B2",
  "\u1D67": "\u03B3",
  "\u1D68": "\u03C1",
  "\u1D69": "\u03D5",
  "\u1D6A": "\u03C7",
  "\u207A": "+",
  "\u207B": "-",
  "\u207C": "=",
  "\u207D": "(",
  "\u207E": ")",
  "\u2070": "0",
  "\xB9": "1",
  "\xB2": "2",
  "\xB3": "3",
  "\u2074": "4",
  "\u2075": "5",
  "\u2076": "6",
  "\u2077": "7",
  "\u2078": "8",
  "\u2079": "9",
  "\u1D2C": "A",
  "\u1D2E": "B",
  "\u1D30": "D",
  "\u1D31": "E",
  "\u1D33": "G",
  "\u1D34": "H",
  "\u1D35": "I",
  "\u1D36": "J",
  "\u1D37": "K",
  "\u1D38": "L",
  "\u1D39": "M",
  "\u1D3A": "N",
  "\u1D3C": "O",
  "\u1D3E": "P",
  "\u1D3F": "R",
  "\u1D40": "T",
  "\u1D41": "U",
  "\u2C7D": "V",
  "\u1D42": "W",
  "\u1D43": "a",
  "\u1D47": "b",
  "\u1D9C": "c",
  "\u1D48": "d",
  "\u1D49": "e",
  "\u1DA0": "f",
  "\u1D4D": "g",
  "\u02B0": "h",
  "\u2071": "i",
  "\u02B2": "j",
  "\u1D4F": "k",
  "\u02E1": "l",
  "\u1D50": "m",
  "\u207F": "n",
  "\u1D52": "o",
  "\u1D56": "p",
  "\u02B3": "r",
  "\u02E2": "s",
  "\u1D57": "t",
  "\u1D58": "u",
  "\u1D5B": "v",
  "\u02B7": "w",
  "\u02E3": "x",
  "\u02B8": "y",
  "\u1DBB": "z",
  "\u1D5D": "\u03B2",
  "\u1D5E": "\u03B3",
  "\u1D5F": "\u03B4",
  "\u1D60": "\u03D5",
  "\u1D61": "\u03C7",
  "\u1DBF": "\u03B8"
});
var asciiFromScript = Object.freeze({
  "\u{1D49C}": "A",
  "\u212C": "B",
  "\u{1D49E}": "C",
  "\u{1D49F}": "D",
  "\u2130": "E",
  "\u2131": "F",
  "\u{1D4A2}": "G",
  "\u210B": "H",
  "\u2110": "I",
  "\u{1D4A5}": "J",
  "\u{1D4A6}": "K",
  "\u2112": "L",
  "\u2133": "M",
  "\u{1D4A9}": "N",
  "\u{1D4AA}": "O",
  "\u{1D4AB}": "P",
  "\u{1D4AC}": "Q",
  "\u211B": "R",
  "\u{1D4AE}": "S",
  "\u{1D4AF}": "T",
  "\u{1D4B0}": "U",
  "\u{1D4B1}": "V",
  "\u{1D4B2}": "W",
  "\u{1D4B3}": "X",
  "\u{1D4B4}": "Y",
  "\u{1D4B5}": "Z"
});
var unicodeAccents = {
  "\u0301": { text: "\\'", math: "\\acute" },
  "\u0300": { text: "\\`", math: "\\grave" },
  "\u0308": { text: '\\"', math: "\\ddot" },
  "\u0303": { text: "\\~", math: "\\tilde" },
  "\u0304": { text: "\\=", math: "\\bar" },
  "\u0306": { text: "\\u", math: "\\breve" },
  "\u030C": { text: "\\v", math: "\\check" },
  "\u0302": { text: "\\^", math: "\\hat" },
  "\u0307": { text: "\\.", math: "\\dot" },
  "\u030A": { text: "\\r", math: "\\mathring" },
  "\u030B": { text: "\\H" },
  "\u0327": { text: "\\c" }
};
var unicodeSymbols = {
  "\xE1": "a\u0301",
  "\xE0": "a\u0300",
  "\xE4": "a\u0308",
  "\u01DF": "a\u0308\u0304",
  "\xE3": "a\u0303",
  "\u0101": "a\u0304",
  "\u0103": "a\u0306",
  "\u1EAF": "a\u0306\u0301",
  "\u1EB1": "a\u0306\u0300",
  "\u1EB5": "a\u0306\u0303",
  "\u01CE": "a\u030C",
  "\xE2": "a\u0302",
  "\u1EA5": "a\u0302\u0301",
  "\u1EA7": "a\u0302\u0300",
  "\u1EAB": "a\u0302\u0303",
  "\u0227": "a\u0307",
  "\u01E1": "a\u0307\u0304",
  "\xE5": "a\u030A",
  "\u01FB": "a\u030A\u0301",
  "\u1E03": "b\u0307",
  "\u0107": "c\u0301",
  "\u010D": "c\u030C",
  "\u0109": "c\u0302",
  "\u010B": "c\u0307",
  "\u010F": "d\u030C",
  "\u1E0B": "d\u0307",
  "\xE9": "e\u0301",
  "\xE8": "e\u0300",
  "\xEB": "e\u0308",
  "\u1EBD": "e\u0303",
  "\u0113": "e\u0304",
  "\u1E17": "e\u0304\u0301",
  "\u1E15": "e\u0304\u0300",
  "\u0115": "e\u0306",
  "\u011B": "e\u030C",
  "\xEA": "e\u0302",
  "\u1EBF": "e\u0302\u0301",
  "\u1EC1": "e\u0302\u0300",
  "\u1EC5": "e\u0302\u0303",
  "\u0117": "e\u0307",
  "\u1E1F": "f\u0307",
  "\u01F5": "g\u0301",
  "\u1E21": "g\u0304",
  "\u011F": "g\u0306",
  "\u01E7": "g\u030C",
  "\u011D": "g\u0302",
  "\u0121": "g\u0307",
  "\u1E27": "h\u0308",
  "\u021F": "h\u030C",
  "\u0125": "h\u0302",
  "\u1E23": "h\u0307",
  "\xED": "i\u0301",
  "\xEC": "i\u0300",
  "\xEF": "i\u0308",
  "\u1E2F": "i\u0308\u0301",
  "\u0129": "i\u0303",
  "\u012B": "i\u0304",
  "\u012D": "i\u0306",
  "\u01D0": "i\u030C",
  "\xEE": "i\u0302",
  "\u01F0": "j\u030C",
  "\u0135": "j\u0302",
  "\u1E31": "k\u0301",
  "\u01E9": "k\u030C",
  "\u013A": "l\u0301",
  "\u013E": "l\u030C",
  "\u1E3F": "m\u0301",
  "\u1E41": "m\u0307",
  "\u0144": "n\u0301",
  "\u01F9": "n\u0300",
  "\xF1": "n\u0303",
  "\u0148": "n\u030C",
  "\u1E45": "n\u0307",
  "\xF3": "o\u0301",
  "\xF2": "o\u0300",
  "\xF6": "o\u0308",
  "\u022B": "o\u0308\u0304",
  "\xF5": "o\u0303",
  "\u1E4D": "o\u0303\u0301",
  "\u1E4F": "o\u0303\u0308",
  "\u022D": "o\u0303\u0304",
  "\u014D": "o\u0304",
  "\u1E53": "o\u0304\u0301",
  "\u1E51": "o\u0304\u0300",
  "\u014F": "o\u0306",
  "\u01D2": "o\u030C",
  "\xF4": "o\u0302",
  "\u1ED1": "o\u0302\u0301",
  "\u1ED3": "o\u0302\u0300",
  "\u1ED7": "o\u0302\u0303",
  "\u022F": "o\u0307",
  "\u0231": "o\u0307\u0304",
  "\u0151": "o\u030B",
  "\u1E55": "p\u0301",
  "\u1E57": "p\u0307",
  "\u0155": "r\u0301",
  "\u0159": "r\u030C",
  "\u1E59": "r\u0307",
  "\u015B": "s\u0301",
  "\u1E65": "s\u0301\u0307",
  "\u0161": "s\u030C",
  "\u1E67": "s\u030C\u0307",
  "\u015D": "s\u0302",
  "\u1E61": "s\u0307",
  "\u1E97": "t\u0308",
  "\u0165": "t\u030C",
  "\u1E6B": "t\u0307",
  "\xFA": "u\u0301",
  "\xF9": "u\u0300",
  "\xFC": "u\u0308",
  "\u01D8": "u\u0308\u0301",
  "\u01DC": "u\u0308\u0300",
  "\u01D6": "u\u0308\u0304",
  "\u01DA": "u\u0308\u030C",
  "\u0169": "u\u0303",
  "\u1E79": "u\u0303\u0301",
  "\u016B": "u\u0304",
  "\u1E7B": "u\u0304\u0308",
  "\u016D": "u\u0306",
  "\u01D4": "u\u030C",
  "\xFB": "u\u0302",
  "\u016F": "u\u030A",
  "\u0171": "u\u030B",
  "\u1E7D": "v\u0303",
  "\u1E83": "w\u0301",
  "\u1E81": "w\u0300",
  "\u1E85": "w\u0308",
  "\u0175": "w\u0302",
  "\u1E87": "w\u0307",
  "\u1E98": "w\u030A",
  "\u1E8D": "x\u0308",
  "\u1E8B": "x\u0307",
  "\xFD": "y\u0301",
  "\u1EF3": "y\u0300",
  "\xFF": "y\u0308",
  "\u1EF9": "y\u0303",
  "\u0233": "y\u0304",
  "\u0177": "y\u0302",
  "\u1E8F": "y\u0307",
  "\u1E99": "y\u030A",
  "\u017A": "z\u0301",
  "\u017E": "z\u030C",
  "\u1E91": "z\u0302",
  "\u017C": "z\u0307",
  "\xC1": "A\u0301",
  "\xC0": "A\u0300",
  "\xC4": "A\u0308",
  "\u01DE": "A\u0308\u0304",
  "\xC3": "A\u0303",
  "\u0100": "A\u0304",
  "\u0102": "A\u0306",
  "\u1EAE": "A\u0306\u0301",
  "\u1EB0": "A\u0306\u0300",
  "\u1EB4": "A\u0306\u0303",
  "\u01CD": "A\u030C",
  "\xC2": "A\u0302",
  "\u1EA4": "A\u0302\u0301",
  "\u1EA6": "A\u0302\u0300",
  "\u1EAA": "A\u0302\u0303",
  "\u0226": "A\u0307",
  "\u01E0": "A\u0307\u0304",
  "\xC5": "A\u030A",
  "\u01FA": "A\u030A\u0301",
  "\u1E02": "B\u0307",
  "\u0106": "C\u0301",
  "\u010C": "C\u030C",
  "\u0108": "C\u0302",
  "\u010A": "C\u0307",
  "\u010E": "D\u030C",
  "\u1E0A": "D\u0307",
  "\xC9": "E\u0301",
  "\xC8": "E\u0300",
  "\xCB": "E\u0308",
  "\u1EBC": "E\u0303",
  "\u0112": "E\u0304",
  "\u1E16": "E\u0304\u0301",
  "\u1E14": "E\u0304\u0300",
  "\u0114": "E\u0306",
  "\u011A": "E\u030C",
  "\xCA": "E\u0302",
  "\u1EBE": "E\u0302\u0301",
  "\u1EC0": "E\u0302\u0300",
  "\u1EC4": "E\u0302\u0303",
  "\u0116": "E\u0307",
  "\u1E1E": "F\u0307",
  "\u01F4": "G\u0301",
  "\u1E20": "G\u0304",
  "\u011E": "G\u0306",
  "\u01E6": "G\u030C",
  "\u011C": "G\u0302",
  "\u0120": "G\u0307",
  "\u1E26": "H\u0308",
  "\u021E": "H\u030C",
  "\u0124": "H\u0302",
  "\u1E22": "H\u0307",
  "\xCD": "I\u0301",
  "\xCC": "I\u0300",
  "\xCF": "I\u0308",
  "\u1E2E": "I\u0308\u0301",
  "\u0128": "I\u0303",
  "\u012A": "I\u0304",
  "\u012C": "I\u0306",
  "\u01CF": "I\u030C",
  "\xCE": "I\u0302",
  "\u0130": "I\u0307",
  "\u0134": "J\u0302",
  "\u1E30": "K\u0301",
  "\u01E8": "K\u030C",
  "\u0139": "L\u0301",
  "\u013D": "L\u030C",
  "\u1E3E": "M\u0301",
  "\u1E40": "M\u0307",
  "\u0143": "N\u0301",
  "\u01F8": "N\u0300",
  "\xD1": "N\u0303",
  "\u0147": "N\u030C",
  "\u1E44": "N\u0307",
  "\xD3": "O\u0301",
  "\xD2": "O\u0300",
  "\xD6": "O\u0308",
  "\u022A": "O\u0308\u0304",
  "\xD5": "O\u0303",
  "\u1E4C": "O\u0303\u0301",
  "\u1E4E": "O\u0303\u0308",
  "\u022C": "O\u0303\u0304",
  "\u014C": "O\u0304",
  "\u1E52": "O\u0304\u0301",
  "\u1E50": "O\u0304\u0300",
  "\u014E": "O\u0306",
  "\u01D1": "O\u030C",
  "\xD4": "O\u0302",
  "\u1ED0": "O\u0302\u0301",
  "\u1ED2": "O\u0302\u0300",
  "\u1ED6": "O\u0302\u0303",
  "\u022E": "O\u0307",
  "\u0230": "O\u0307\u0304",
  "\u0150": "O\u030B",
  "\u1E54": "P\u0301",
  "\u1E56": "P\u0307",
  "\u0154": "R\u0301",
  "\u0158": "R\u030C",
  "\u1E58": "R\u0307",
  "\u015A": "S\u0301",
  "\u1E64": "S\u0301\u0307",
  "\u0160": "S\u030C",
  "\u1E66": "S\u030C\u0307",
  "\u015C": "S\u0302",
  "\u1E60": "S\u0307",
  "\u0164": "T\u030C",
  "\u1E6A": "T\u0307",
  "\xDA": "U\u0301",
  "\xD9": "U\u0300",
  "\xDC": "U\u0308",
  "\u01D7": "U\u0308\u0301",
  "\u01DB": "U\u0308\u0300",
  "\u01D5": "U\u0308\u0304",
  "\u01D9": "U\u0308\u030C",
  "\u0168": "U\u0303",
  "\u1E78": "U\u0303\u0301",
  "\u016A": "U\u0304",
  "\u1E7A": "U\u0304\u0308",
  "\u016C": "U\u0306",
  "\u01D3": "U\u030C",
  "\xDB": "U\u0302",
  "\u016E": "U\u030A",
  "\u0170": "U\u030B",
  "\u1E7C": "V\u0303",
  "\u1E82": "W\u0301",
  "\u1E80": "W\u0300",
  "\u1E84": "W\u0308",
  "\u0174": "W\u0302",
  "\u1E86": "W\u0307",
  "\u1E8C": "X\u0308",
  "\u1E8A": "X\u0307",
  "\xDD": "Y\u0301",
  "\u1EF2": "Y\u0300",
  "\u0178": "Y\u0308",
  "\u1EF8": "Y\u0303",
  "\u0232": "Y\u0304",
  "\u0176": "Y\u0302",
  "\u1E8E": "Y\u0307",
  "\u0179": "Z\u0301",
  "\u017D": "Z\u030C",
  "\u1E90": "Z\u0302",
  "\u017B": "Z\u0307",
  "\u03AC": "\u03B1\u0301",
  "\u1F70": "\u03B1\u0300",
  "\u1FB1": "\u03B1\u0304",
  "\u1FB0": "\u03B1\u0306",
  "\u03AD": "\u03B5\u0301",
  "\u1F72": "\u03B5\u0300",
  "\u03AE": "\u03B7\u0301",
  "\u1F74": "\u03B7\u0300",
  "\u03AF": "\u03B9\u0301",
  "\u1F76": "\u03B9\u0300",
  "\u03CA": "\u03B9\u0308",
  "\u0390": "\u03B9\u0308\u0301",
  "\u1FD2": "\u03B9\u0308\u0300",
  "\u1FD1": "\u03B9\u0304",
  "\u1FD0": "\u03B9\u0306",
  "\u03CC": "\u03BF\u0301",
  "\u1F78": "\u03BF\u0300",
  "\u03CD": "\u03C5\u0301",
  "\u1F7A": "\u03C5\u0300",
  "\u03CB": "\u03C5\u0308",
  "\u03B0": "\u03C5\u0308\u0301",
  "\u1FE2": "\u03C5\u0308\u0300",
  "\u1FE1": "\u03C5\u0304",
  "\u1FE0": "\u03C5\u0306",
  "\u03CE": "\u03C9\u0301",
  "\u1F7C": "\u03C9\u0300",
  "\u038E": "\u03A5\u0301",
  "\u1FEA": "\u03A5\u0300",
  "\u03AB": "\u03A5\u0308",
  "\u1FE9": "\u03A5\u0304",
  "\u1FE8": "\u03A5\u0306",
  "\u038F": "\u03A9\u0301",
  "\u1FFA": "\u03A9\u0300"
};
var binLeftCancellers = ["bin", "op", "open", "punct", "rel"];
var sizeRegEx = /([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/;
var Parser = class _Parser {
  constructor(input, settings, isPreamble = false) {
    this.mode = "math";
    this.gullet = new MacroExpander(input, settings, this.mode);
    this.settings = settings;
    this.isPreamble = isPreamble;
    this.leftrightDepth = 0;
    this.prevAtomType = "";
  }
  /**
   * Checks a result to make sure it has the right type, and throws an
   * appropriate error otherwise.
   */
  expect(text2, consume = true) {
    if (this.fetch().text !== text2) {
      throw new ParseError(`Expected '${text2}', got '${this.fetch().text}'`, this.fetch());
    }
    if (consume) {
      this.consume();
    }
  }
  /**
   * Discards the current lookahead token, considering it consumed.
   */
  consume() {
    this.nextToken = null;
  }
  /**
   * Return the current lookahead token, or if there isn't one (at the
   * beginning, or if the previous lookahead token was consume()d),
   * fetch the next token as the new lookahead token and return it.
   */
  fetch() {
    if (this.nextToken == null) {
      this.nextToken = this.gullet.expandNextToken();
    }
    return this.nextToken;
  }
  /**
   * Switches between "text" and "math" modes.
   */
  switchMode(newMode) {
    this.mode = newMode;
    this.gullet.switchMode(newMode);
  }
  /**
   * Main parsing function, which parses an entire input.
   */
  parse() {
    this.gullet.beginGroup();
    if (this.settings.colorIsTextColor) {
      this.gullet.macros.set("\\color", "\\textcolor");
    }
    const parse = this.parseExpression(false);
    this.expect("EOF");
    if (this.isPreamble) {
      const macros2 = /* @__PURE__ */ Object.create(null);
      Object.entries(this.gullet.macros.current).forEach(([key, value]) => {
        macros2[key] = value;
      });
      this.gullet.endGroup();
      return macros2;
    }
    const tag = this.gullet.macros.get("\\df@tag");
    this.gullet.endGroup();
    if (tag) {
      this.gullet.macros.current["\\df@tag"] = tag;
    }
    return parse;
  }
  static get endOfExpression() {
    return ["}", "\\endgroup", "\\end", "\\right", "\\endtoggle", "&"];
  }
  /**
   * Fully parse a separate sequence of tokens as a separate job.
   * Tokens should be specified in reverse order, as in a MacroDefinition.
   */
  subparse(tokens) {
    const oldToken = this.nextToken;
    this.consume();
    this.gullet.pushToken(new Token("}"));
    this.gullet.pushTokens(tokens);
    const parse = this.parseExpression(false);
    this.expect("}");
    this.nextToken = oldToken;
    return parse;
  }
  /**
     * Parses an "expression", which is a list of atoms.
     *
     * `breakOnInfix`: Should the parsing stop when we hit infix nodes? This
     *                 happens when functions have higher precedence han infix
     *                 nodes in implicit parses.
     *
     * `breakOnTokenText`: The text of the token that the expression should end
     *                     with, or `null` if something else should end the
     *                     expression.
     *
     * `breakOnMiddle`: \color, \over, and old styling functions work on an implicit group.
     *                  These groups end just before the usual tokens, but they also
     *                  end just before `\middle`.
     */
  parseExpression(breakOnInfix, breakOnTokenText, breakOnMiddle) {
    const body = [];
    this.prevAtomType = "";
    while (true) {
      if (this.mode === "math") {
        this.consumeSpaces();
      }
      const lex = this.fetch();
      if (_Parser.endOfExpression.indexOf(lex.text) !== -1) {
        break;
      }
      if (breakOnTokenText && lex.text === breakOnTokenText) {
        break;
      }
      if (breakOnMiddle && lex.text === "\\middle") {
        break;
      }
      if (breakOnInfix && functions[lex.text] && functions[lex.text].infix) {
        break;
      }
      const atom = this.parseAtom(breakOnTokenText);
      if (!atom) {
        break;
      } else if (atom.type === "internal") {
        continue;
      }
      body.push(atom);
      this.prevAtomType = atom.type === "atom" ? atom.family : atom.type;
    }
    if (this.mode === "text") {
      this.formLigatures(body);
    }
    return this.handleInfixNodes(body);
  }
  /**
   * Rewrites infix operators such as \over with corresponding commands such
   * as \frac.
   *
   * There can only be one infix operator per group.  If there's more than one
   * then the expression is ambiguous.  This can be resolved by adding {}.
   */
  handleInfixNodes(body) {
    let overIndex = -1;
    let funcName;
    for (let i = 0; i < body.length; i++) {
      if (body[i].type === "infix") {
        if (overIndex !== -1) {
          throw new ParseError("only one infix operator per group", body[i].token);
        }
        overIndex = i;
        funcName = body[i].replaceWith;
      }
    }
    if (overIndex !== -1 && funcName) {
      let numerNode;
      let denomNode;
      const numerBody = body.slice(0, overIndex);
      const denomBody = body.slice(overIndex + 1);
      if (numerBody.length === 1 && numerBody[0].type === "ordgroup") {
        numerNode = numerBody[0];
      } else {
        numerNode = { type: "ordgroup", mode: this.mode, body: numerBody };
      }
      if (denomBody.length === 1 && denomBody[0].type === "ordgroup") {
        denomNode = denomBody[0];
      } else {
        denomNode = { type: "ordgroup", mode: this.mode, body: denomBody };
      }
      let node;
      if (funcName === "\\\\abovefrac") {
        node = this.callFunction(funcName, [numerNode, body[overIndex], denomNode], []);
      } else {
        node = this.callFunction(funcName, [numerNode, denomNode], []);
      }
      return [node];
    } else {
      return body;
    }
  }
  /**
   * Handle a subscript or superscript with nice errors.
   */
  handleSupSubscript(name) {
    const symbolToken = this.fetch();
    const symbol = symbolToken.text;
    this.consume();
    this.consumeSpaces();
    const group = this.parseGroup(name);
    if (!group) {
      throw new ParseError("Expected group after '" + symbol + "'", symbolToken);
    }
    return group;
  }
  /**
   * Converts the textual input of an unsupported command into a text node
   * contained within a color node whose color is determined by errorColor
   */
  formatUnsupportedCmd(text2) {
    const textordArray = [];
    for (let i = 0; i < text2.length; i++) {
      textordArray.push({ type: "textord", mode: "text", text: text2[i] });
    }
    const textNode = {
      type: "text",
      mode: this.mode,
      body: textordArray
    };
    const colorNode = {
      type: "color",
      mode: this.mode,
      color: this.settings.errorColor,
      body: [textNode]
    };
    return colorNode;
  }
  /**
   * Parses a group with optional super/subscripts.
   */
  parseAtom(breakOnTokenText) {
    const base = this.parseGroup("atom", breakOnTokenText);
    if (this.mode === "text") {
      return base;
    }
    let superscript;
    let subscript;
    while (true) {
      this.consumeSpaces();
      const lex = this.fetch();
      if (lex.text === "\\limits" || lex.text === "\\nolimits") {
        if (base && base.type === "op") {
          const limits = lex.text === "\\limits";
          base.limits = limits;
          base.alwaysHandleSupSub = true;
        } else if (base && base.type === "operatorname") {
          if (base.alwaysHandleSupSub) {
            base.limits = lex.text === "\\limits";
          }
        } else {
          throw new ParseError("Limit controls must follow a math operator", lex);
        }
        this.consume();
      } else if (lex.text === "^") {
        if (superscript) {
          throw new ParseError("Double superscript", lex);
        }
        superscript = this.handleSupSubscript("superscript");
      } else if (lex.text === "_") {
        if (subscript) {
          throw new ParseError("Double subscript", lex);
        }
        subscript = this.handleSupSubscript("subscript");
      } else if (lex.text === "'") {
        if (superscript) {
          throw new ParseError("Double superscript", lex);
        }
        const prime = { type: "textord", mode: this.mode, text: "\\prime" };
        const primes2 = [prime];
        this.consume();
        while (this.fetch().text === "'") {
          primes2.push(prime);
          this.consume();
        }
        if (this.fetch().text === "^") {
          primes2.push(this.handleSupSubscript("superscript"));
        }
        superscript = { type: "ordgroup", mode: this.mode, body: primes2 };
      } else if (uSubsAndSups[lex.text]) {
        const isSub = unicodeSubRegEx.test(lex.text);
        const subsupTokens = [];
        subsupTokens.push(new Token(uSubsAndSups[lex.text]));
        this.consume();
        while (true) {
          const token = this.fetch().text;
          if (!uSubsAndSups[token]) {
            break;
          }
          if (unicodeSubRegEx.test(token) !== isSub) {
            break;
          }
          subsupTokens.unshift(new Token(uSubsAndSups[token]));
          this.consume();
        }
        const body = this.subparse(subsupTokens);
        if (isSub) {
          subscript = { type: "ordgroup", mode: "math", body };
        } else {
          superscript = { type: "ordgroup", mode: "math", body };
        }
      } else {
        break;
      }
    }
    if (superscript || subscript) {
      if (base && base.type === "multiscript" && !base.postscripts) {
        base.postscripts = { sup: superscript, sub: subscript };
        return base;
      } else {
        const isFollowedByDelimiter = !base || base.type !== "op" && base.type !== "operatorname" ? void 0 : isDelimiter(this.nextToken.text);
        return {
          type: "supsub",
          mode: this.mode,
          base,
          sup: superscript,
          sub: subscript,
          isFollowedByDelimiter
        };
      }
    } else {
      return base;
    }
  }
  /**
   * Parses an entire function, including its base and all of its arguments.
   */
  parseFunction(breakOnTokenText, name) {
    const token = this.fetch();
    const func = token.text;
    const funcData = functions[func];
    if (!funcData) {
      return null;
    }
    this.consume();
    if (name && name !== "atom" && !funcData.allowedInArgument) {
      throw new ParseError(
        "Got function '" + func + "' with no arguments" + (name ? " as " + name : ""),
        token
      );
    } else if (this.mode === "text" && !funcData.allowedInText) {
      throw new ParseError("Can't use function '" + func + "' in text mode", token);
    } else if (this.mode === "math" && funcData.allowedInMath === false) {
      throw new ParseError("Can't use function '" + func + "' in math mode", token);
    }
    const prevAtomType = this.prevAtomType;
    const { args, optArgs } = this.parseArguments(func, funcData);
    this.prevAtomType = prevAtomType;
    return this.callFunction(func, args, optArgs, token, breakOnTokenText);
  }
  /**
   * Call a function handler with a suitable context and arguments.
   */
  callFunction(name, args, optArgs, token, breakOnTokenText) {
    const context = {
      funcName: name,
      parser: this,
      token,
      breakOnTokenText
    };
    const func = functions[name];
    if (func && func.handler) {
      return func.handler(context, args, optArgs);
    } else {
      throw new ParseError(`No function handler for ${name}`);
    }
  }
  /**
   * Parses the arguments of a function or environment
   */
  parseArguments(func, funcData) {
    const totalArgs = funcData.numArgs + funcData.numOptionalArgs;
    if (totalArgs === 0) {
      return { args: [], optArgs: [] };
    }
    const args = [];
    const optArgs = [];
    for (let i = 0; i < totalArgs; i++) {
      let argType = funcData.argTypes && funcData.argTypes[i];
      const isOptional = i < funcData.numOptionalArgs;
      if (funcData.primitive && argType == null || // \sqrt expands into primitive if optional argument doesn't exist
      funcData.type === "sqrt" && i === 1 && optArgs[0] == null) {
        argType = "primitive";
      }
      const arg = this.parseGroupOfType(`argument to '${func}'`, argType, isOptional);
      if (isOptional) {
        optArgs.push(arg);
      } else if (arg != null) {
        args.push(arg);
      } else {
        throw new ParseError("Null argument, please report this as a bug");
      }
    }
    return { args, optArgs };
  }
  /**
   * Parses a group when the mode is changing.
   */
  parseGroupOfType(name, type, optional) {
    switch (type) {
      case "size":
        return this.parseSizeGroup(optional);
      case "url":
        return this.parseUrlGroup(optional);
      case "math":
      case "text":
        return this.parseArgumentGroup(optional, type);
      case "hbox": {
        const group = this.parseArgumentGroup(optional, "text");
        return group != null ? {
          type: "styling",
          mode: group.mode,
          body: [group],
          scriptLevel: "text"
          // simulate \textstyle
        } : null;
      }
      case "raw": {
        const token = this.parseStringGroup("raw", optional);
        return token != null ? {
          type: "raw",
          mode: "text",
          string: token.text
        } : null;
      }
      case "primitive": {
        if (optional) {
          throw new ParseError("A primitive argument cannot be optional");
        }
        const group = this.parseGroup(name);
        if (group == null) {
          throw new ParseError("Expected group as " + name, this.fetch());
        }
        return group;
      }
      case "original":
      case null:
      case void 0:
        return this.parseArgumentGroup(optional);
      default:
        throw new ParseError("Unknown group type as " + name, this.fetch());
    }
  }
  /**
   * Discard any space tokens, fetching the next non-space token.
   */
  consumeSpaces() {
    while (true) {
      const ch = this.fetch().text;
      if (ch === " " || ch === "\xA0" || ch === "\uFE0E") {
        this.consume();
      } else {
        break;
      }
    }
  }
  /**
   * Parses a group, essentially returning the string formed by the
   * brace-enclosed tokens plus some position information.
   */
  parseStringGroup(modeName, optional) {
    const argToken = this.gullet.scanArgument(optional);
    if (argToken == null) {
      return null;
    }
    let str = "";
    let nextToken;
    while ((nextToken = this.fetch()).text !== "EOF") {
      str += nextToken.text;
      this.consume();
    }
    this.consume();
    argToken.text = str;
    return argToken;
  }
  /**
   * Parses a regex-delimited group: the largest sequence of tokens
   * whose concatenated strings match `regex`. Returns the string
   * formed by the tokens plus some position information.
   */
  parseRegexGroup(regex, modeName) {
    const firstToken = this.fetch();
    let lastToken = firstToken;
    let str = "";
    let nextToken;
    while ((nextToken = this.fetch()).text !== "EOF" && regex.test(str + nextToken.text)) {
      lastToken = nextToken;
      str += lastToken.text;
      this.consume();
    }
    if (str === "") {
      throw new ParseError("Invalid " + modeName + ": '" + firstToken.text + "'", firstToken);
    }
    return firstToken.range(lastToken, str);
  }
  /**
   * Parses a size specification, consisting of magnitude and unit.
   */
  parseSizeGroup(optional) {
    let res;
    let isBlank = false;
    this.gullet.consumeSpaces();
    if (!optional && this.gullet.future().text !== "{") {
      res = this.parseRegexGroup(/^[-+]? *(?:$|\d+|\d+\.\d*|\.\d*) *[a-z]{0,2} *$/, "size");
    } else {
      res = this.parseStringGroup("size", optional);
    }
    if (!res) {
      return null;
    }
    if (!optional && res.text.length === 0) {
      res.text = "0pt";
      isBlank = true;
    }
    const match = sizeRegEx.exec(res.text);
    if (!match) {
      throw new ParseError("Invalid size: '" + res.text + "'", res);
    }
    const data = {
      number: +(match[1] + match[2]),
      // sign + magnitude, cast to number
      unit: match[3]
    };
    if (!validUnit(data)) {
      throw new ParseError("Invalid unit: '" + data.unit + "'", res);
    }
    return {
      type: "size",
      mode: this.mode,
      value: data,
      isBlank
    };
  }
  /**
   * Parses an URL, checking escaped letters and allowed protocols,
   * and setting the catcode of % as an active character (as in \hyperref).
   */
  parseUrlGroup(optional) {
    this.gullet.lexer.setCatcode("%", 13);
    this.gullet.lexer.setCatcode("~", 12);
    const res = this.parseStringGroup("url", optional);
    this.gullet.lexer.setCatcode("%", 14);
    this.gullet.lexer.setCatcode("~", 13);
    if (res == null) {
      return null;
    }
    let url = res.text.replace(/\\([#$%&~_^{}])/g, "$1");
    url = res.text.replace(/{\u2044}/g, "/");
    return {
      type: "url",
      mode: this.mode,
      url
    };
  }
  /**
   * Parses an argument with the mode specified.
   */
  parseArgumentGroup(optional, mode) {
    const argToken = this.gullet.scanArgument(optional);
    if (argToken == null) {
      return null;
    }
    const outerMode = this.mode;
    if (mode) {
      this.switchMode(mode);
    }
    this.gullet.beginGroup();
    const expression = this.parseExpression(false, "EOF");
    this.expect("EOF");
    this.gullet.endGroup();
    const result = {
      type: "ordgroup",
      mode: this.mode,
      loc: argToken.loc,
      body: expression
    };
    if (mode) {
      this.switchMode(outerMode);
    }
    return result;
  }
  /**
   * Parses an ordinary group, which is either a single nucleus (like "x")
   * or an expression in braces (like "{x+y}") or an implicit group, a group
   * that starts at the current position, and ends right before a higher explicit
   * group ends, or at EOF.
   */
  parseGroup(name, breakOnTokenText) {
    const firstToken = this.fetch();
    const text2 = firstToken.text;
    let result;
    if (text2 === "{" || text2 === "\\begingroup" || text2 === "\\toggle") {
      this.consume();
      const groupEnd = text2 === "{" ? "}" : text2 === "\\begingroup" ? "\\endgroup" : "\\endtoggle";
      this.gullet.beginGroup();
      const expression = this.parseExpression(false, groupEnd);
      const lastToken = this.fetch();
      this.expect(groupEnd);
      this.gullet.endGroup();
      result = {
        type: lastToken.text === "\\endtoggle" ? "toggle" : "ordgroup",
        mode: this.mode,
        loc: SourceLocation.range(firstToken, lastToken),
        body: expression,
        // A group formed by \begingroup...\endgroup is a semi-simple group
        // which doesn't affect spacing in math mode, i.e., is transparent.
        // https://tex.stackexchange.com/questions/1930/
        semisimple: text2 === "\\begingroup" || void 0
      };
    } else {
      result = this.parseFunction(breakOnTokenText, name) || this.parseSymbol();
      if (result == null && text2[0] === "\\" && !Object.prototype.hasOwnProperty.call(implicitCommands, text2)) {
        result = this.formatUnsupportedCmd(text2);
        this.consume();
      }
    }
    return result;
  }
  /**
   * Form ligature-like combinations of characters for text mode.
   * This includes inputs like "--", "---", "``" and "''".
   * The result will simply replace multiple textord nodes with a single
   * character in each value by a single textord node having multiple
   * characters in its value.  The representation is still ASCII source.
   * The group will be modified in place.
   */
  formLigatures(group) {
    let n = group.length - 1;
    for (let i = 0; i < n; ++i) {
      const a = group[i];
      const v = a.text;
      if (v === "-" && group[i + 1].text === "-") {
        if (i + 1 < n && group[i + 2].text === "-") {
          group.splice(i, 3, {
            type: "textord",
            mode: "text",
            loc: SourceLocation.range(a, group[i + 2]),
            text: "---"
          });
          n -= 2;
        } else {
          group.splice(i, 2, {
            type: "textord",
            mode: "text",
            loc: SourceLocation.range(a, group[i + 1]),
            text: "--"
          });
          n -= 1;
        }
      }
      if ((v === "'" || v === "`") && group[i + 1].text === v) {
        group.splice(i, 2, {
          type: "textord",
          mode: "text",
          loc: SourceLocation.range(a, group[i + 1]),
          text: v + v
        });
        n -= 1;
      }
    }
  }
  /**
   * Parse a single symbol out of the string. Here, we handle single character
   * symbols and special functions like \verb.
   */
  parseSymbol() {
    const nucleus = this.fetch();
    let text2 = nucleus.text;
    if (/^\\verb[^a-zA-Z]/.test(text2)) {
      this.consume();
      let arg = text2.slice(5);
      const star = arg.charAt(0) === "*";
      if (star) {
        arg = arg.slice(1);
      }
      if (arg.length < 2 || arg.charAt(0) !== arg.slice(-1)) {
        throw new ParseError(`\\verb assertion failed --
                    please report what input caused this bug`);
      }
      arg = arg.slice(1, -1);
      return {
        type: "verb",
        mode: "text",
        body: arg,
        star
      };
    }
    if (Object.prototype.hasOwnProperty.call(unicodeSymbols, text2[0]) && this.mode === "math" && !symbols[this.mode][text2[0]]) {
      if (this.settings.strict && this.mode === "math") {
        throw new ParseError(
          `Accented Unicode text character "${text2[0]}" used in math mode`,
          nucleus
        );
      }
      text2 = unicodeSymbols[text2[0]] + text2.slice(1);
    }
    const match = this.mode === "math" ? combiningDiacriticalMarksEndRegex.exec(text2) : null;
    if (match) {
      text2 = text2.substring(0, match.index);
      if (text2 === "i") {
        text2 = "\u0131";
      } else if (text2 === "j") {
        text2 = "\u0237";
      }
    }
    let symbol;
    if (symbols[this.mode][text2]) {
      let group = symbols[this.mode][text2].group;
      if (group === "bin" && binLeftCancellers.includes(this.prevAtomType)) {
        group = "open";
      }
      const loc = SourceLocation.range(nucleus);
      let s;
      if (Object.prototype.hasOwnProperty.call(ATOMS, group)) {
        const family = group;
        s = {
          type: "atom",
          mode: this.mode,
          family,
          loc,
          text: text2
        };
      } else {
        if (asciiFromScript[text2]) {
          this.consume();
          const nextCode = this.fetch().text.charCodeAt(0);
          const font = nextCode === 65025 ? "mathscr" : "mathcal";
          if (nextCode === 65024 || nextCode === 65025) {
            this.consume();
          }
          return {
            type: "font",
            mode: "math",
            font,
            body: { type: "mathord", mode: "math", loc, text: asciiFromScript[text2] }
          };
        }
        s = {
          type: group,
          mode: this.mode,
          loc,
          text: text2
        };
      }
      symbol = s;
    } else if (text2.charCodeAt(0) >= 128 || combiningDiacriticalMarksEndRegex.exec(text2)) {
      if (this.settings.strict && this.mode === "math") {
        throw new ParseError(`Unicode text character "${text2[0]}" used in math mode`, nucleus);
      }
      symbol = {
        type: "textord",
        mode: "text",
        loc: SourceLocation.range(nucleus),
        text: text2
      };
    } else {
      return null;
    }
    this.consume();
    if (match) {
      for (let i = 0; i < match[0].length; i++) {
        const accent2 = match[0][i];
        if (!unicodeAccents[accent2]) {
          throw new ParseError(`Unknown accent ' ${accent2}'`, nucleus);
        }
        const command = unicodeAccents[accent2][this.mode] || unicodeAccents[accent2].text;
        if (!command) {
          throw new ParseError(`Accent ${accent2} unsupported in ${this.mode} mode`, nucleus);
        }
        symbol = {
          type: "accent",
          mode: this.mode,
          loc: SourceLocation.range(nucleus),
          label: command,
          isStretchy: false,
          base: symbol
        };
      }
    }
    return symbol;
  }
};
var parseTree = function(toParse, settings) {
  if (!(typeof toParse === "string" || toParse instanceof String)) {
    throw new TypeError("Temml can only parse string typed expression");
  }
  const parser = new Parser(toParse, settings);
  delete parser.gullet.macros.current["\\df@tag"];
  let tree = parser.parse();
  if (!(tree.length > 0 && tree[0].type && tree[0].type === "array" && tree[0].addEqnNum)) {
    if (parser.gullet.macros.get("\\df@tag")) {
      if (!settings.displayMode) {
        throw new ParseError("\\tag works only in display mode");
      }
      parser.gullet.feed("\\df@tag");
      tree = [
        {
          type: "tag",
          mode: "text",
          body: tree,
          tag: parser.parse()
        }
      ];
    }
  }
  return tree;
};
var subOrSupLevel = [2, 2, 3, 3];
var Style = class _Style {
  constructor(data) {
    this.level = data.level;
    this.color = data.color;
    this.font = data.font || "";
    this.fontFamily = data.fontFamily || "";
    this.fontSize = data.fontSize || 1;
    this.fontWeight = data.fontWeight || "";
    this.fontShape = data.fontShape || "";
    this.maxSize = data.maxSize;
  }
  /**
   * Returns a new style object with the same properties as "this".  Properties
   * from "extension" will be copied to the new style object.
   */
  extend(extension) {
    const data = {
      level: this.level,
      color: this.color,
      font: this.font,
      fontFamily: this.fontFamily,
      fontSize: this.fontSize,
      fontWeight: this.fontWeight,
      fontShape: this.fontShape,
      maxSize: this.maxSize
    };
    for (const key in extension) {
      if (Object.prototype.hasOwnProperty.call(extension, key)) {
        data[key] = extension[key];
      }
    }
    return new _Style(data);
  }
  withLevel(n) {
    return this.extend({
      level: n
    });
  }
  incrementLevel() {
    return this.extend({
      level: Math.min(this.level + 1, 3)
    });
  }
  inSubOrSup() {
    return this.extend({
      level: subOrSupLevel[this.level]
    });
  }
  /**
   * Create a new style object with the given color.
   */
  withColor(color) {
    return this.extend({
      color
    });
  }
  /**
   * Creates a new style object with the given math font or old text font.
   * @type {[type]}
   */
  withFont(font) {
    return this.extend({
      font
    });
  }
  /**
   * Create a new style objects with the given fontFamily.
   */
  withTextFontFamily(fontFamily) {
    return this.extend({
      fontFamily,
      font: ""
    });
  }
  /**
   * Creates a new style object with the given font size
   */
  withFontSize(num) {
    return this.extend({
      fontSize: num
    });
  }
  /**
   * Creates a new style object with the given font weight
   */
  withTextFontWeight(fontWeight) {
    return this.extend({
      fontWeight,
      font: ""
    });
  }
  /**
   * Creates a new style object with the given font weight
   */
  withTextFontShape(fontShape) {
    return this.extend({
      fontShape,
      font: ""
    });
  }
  /**
   * Gets the CSS color of the current style object
   */
  getColor() {
    return this.color;
  }
};
var version = "0.10.34";
function postProcess(block) {
  const labelMap = {};
  let i = 0;
  const amsEqns = document.getElementsByClassName("tml-eqn");
  for (let parent of amsEqns) {
    i += 1;
    parent.setAttribute("id", "tml-eqn-" + String(i));
    while (true) {
      if (parent.tagName === "mtable") {
        break;
      }
      const labels = parent.getElementsByClassName("tml-label");
      if (labels.length > 0) {
        const id = parent.attributes.id.value;
        labelMap[id] = String(i);
        break;
      } else {
        parent = parent.parentElement;
      }
    }
  }
  const taggedEqns = document.getElementsByClassName("tml-tageqn");
  for (const parent of taggedEqns) {
    const labels = parent.getElementsByClassName("tml-label");
    if (labels.length > 0) {
      const tags = parent.getElementsByClassName("tml-tag");
      if (tags.length > 0) {
        const id = parent.attributes.id.value;
        labelMap[id] = tags[0].textContent;
      }
    }
  }
  const refs = block.getElementsByClassName("tml-ref");
  [...refs].forEach((ref) => {
    const attr = ref.getAttribute("href");
    let str = labelMap[attr.slice(1)];
    if (ref.className.indexOf("tml-eqref") === -1) {
      str = str.replace(/^$/, "");
      str = str.replace(/$$/, "");
    } else {
      if (str.charAt(0) !== "(") {
        str = "(" + str;
      }
      if (str.slice(-1) !== ")") {
        str = str + ")";
      }
    }
    const mtext = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mtext");
    mtext.appendChild(document.createTextNode(str));
    const math2 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "math");
    math2.appendChild(mtext);
    ref.appendChild(math2);
  });
}
var render = function(expression, baseNode, options = {}) {
  baseNode.textContent = "";
  const alreadyInMathElement = baseNode.tagName.toLowerCase() === "math";
  if (alreadyInMathElement) {
    options.wrap = "none";
  }
  const math2 = renderToMathMLTree(expression, options);
  if (alreadyInMathElement) {
    baseNode.textContent = "";
    math2.children.forEach((e) => {
      baseNode.appendChild(e.toNode());
    });
  } else if (math2.children.length > 1) {
    baseNode.textContent = "";
    math2.children.forEach((e) => {
      baseNode.appendChild(e.toNode());
    });
  } else {
    baseNode.appendChild(math2.toNode());
  }
};
if (typeof document !== "undefined") {
  if (document.compatMode !== "CSS1Compat") {
    typeof console !== "undefined" && console.warn(
      "Warning: Temml doesn't work in quirks mode. Make sure your website has a suitable doctype."
    );
    render = function() {
      throw new ParseError("Temml doesn't work in quirks mode.");
    };
  }
}
var renderToString = function(expression, options) {
  const markup = renderToMathMLTree(expression, options).toMarkup();
  return markup;
};
var generateParseTree = function(expression, options) {
  const settings = new Settings(options);
  return parseTree(expression, settings);
};
var definePreamble = function(expression, options) {
  const settings = new Settings(options);
  settings.macros = {};
  if (!(typeof expression === "string" || expression instanceof String)) {
    throw new TypeError("Temml can only parse string typed expression");
  }
  const parser = new Parser(expression, settings, true);
  delete parser.gullet.macros.current["\\df@tag"];
  const macros2 = parser.parse();
  return macros2;
};
var renderError = function(error, expression, options) {
  if (options.throwOnError || !(error instanceof ParseError)) {
    throw error;
  }
  const node = new Span(["temml-error"], [new TextNode$1(expression + "\n" + error.toString())]);
  node.style.color = options.errorColor;
  node.style.whiteSpace = "pre-line";
  return node;
};
var renderToMathMLTree = function(expression, options) {
  const settings = new Settings(options);
  try {
    const tree = parseTree(expression, settings);
    const style = new Style({
      level: settings.displayMode ? StyleLevel.DISPLAY : StyleLevel.TEXT,
      maxSize: settings.maxSize
    });
    return buildMathML(tree, expression, style, settings);
  } catch (error) {
    return renderError(error, expression, settings);
  }
};
var temml = {
  /**
   * Current Temml version
   */
  version,
  /**
   * Renders the given LaTeX into MathML, and adds
   * it as a child to the specified DOM node.
   */
  render,
  /**
   * Renders the given LaTeX into MathML string,
   * for sending to the client.
   */
  renderToString,
  /**
   * Post-process an entire HTML block.
   * Writes AMS auto-numbers and implements \ref{}.
   * Typcally called once, after a loop has rendered many individual spans.
   */
  postProcess,
  /**
   * Temml error, usually during parsing.
   */
  ParseError,
  /**
   * Creates a set of macros with document-wide scope.
   */
  definePreamble,
  /**
   * Parses the given LaTeX into Temml's internal parse tree structure,
   * without rendering to HTML or MathML.
   *
   * NOTE: This method is not currently recommended for public use.
   * The internal tree representation is unstable and is very likely
   * to change. Use at your own risk.
   */
  __parse: generateParseTree,
  /**
   * Renders the given LaTeX into a MathML internal DOM tree
   * representation, without flattening that representation to a string.
   *
   * NOTE: This method is not currently recommended for public use.
   * The internal tree representation is unstable and is very likely
   * to change. Use at your own risk.
   */
  __renderToMathMLTree: renderToMathMLTree,
  /**
   * adds a new symbol to builtin symbols table
   */
  __defineSymbol: defineSymbol,
  /**
   * adds a new macro to builtin macro list
   */
  __defineMacro: defineMacro
};

// packages/latex-to-mathml/build-module/index.mjs
function latexToMathML(latex, { displayMode = true } = {}) {
  const mathML = temml.renderToString(latex, {
    displayMode,
    annotate: true,
    throwOnError: true
  });
  const doc = document.implementation.createHTMLDocument("");
  doc.body.innerHTML = mathML;
  return doc.body.querySelector("math")?.innerHTML ?? "";
}
export {
  latexToMathML as default
};

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BTC hrát: aplikace a mobilní průvodce | HAGGAI BURKINA FASO

BTC hrát: aplikace a mobilní průvodce

Jak bezpečně a výhodně BTC hrát v českém online kasinu

Proč zvolit BTC pro hraní v kasinu

Bitcoiny se staly populární volbou pro hráče, kteří hledají rychlé a diskrétní transakce. Díky decentralizované povaze kryptoměny se vyhnete tradičním bankovním poplatkům a můžete si užívat okamžité vklady i výběry. Navíc mnoho českých kasin nabízí speciální bonusy jen pro uživatele, kteří si zvolí BTC jako platební metodu. Pokud se vám chce BTC hrát a zároveň mít kontrolu nad svými financemi, tento přístup vám poskytne flexibilitu i bezpečí.

Pro české hráče je také výhodou, že Bitcoin není vázán na konkrétní měnu, takže můžete snadno převádět mezi CZK a BTC podle aktuálního kurzu. To vám umožní lépe spravovat bankroll a využívat výhodných kurzů. V praxi to znamená méně papírování a rychlejší přístup k výhrám, což je hlavní důvod, proč se mnoho začátečníků rozhodne BTC hrát právě u nás.

Registrace a ověření – krok za krokem

Registrace krok po kroku

První krok je otevření účtu na Bitcoin kasino. Vyplníte základní údaje – e‑mail, heslo a volitelně telefon. Poté potvrďte e‑mail pomocí odkazu, který vám přijde do schránky. Registrace trvá jen pár minut a po jejím dokončení můžete přistoupit k prvnímu vkladu v Bitcoinech.

Ovšem pro zvýšenou bezpečnost bude kasino vyžadovat KYC (poznání zákazníka). Nahrajete kopii občanského průkazu a případně doklad o adrese. Tento proces může zabrat až 24 hodin, ale po schválení získáte plný přístup ke všem bonusům a limitům výběru. Vše probíhá v zabezpečeném rozhraní, takže vaše data jsou v bezpečí.

Bonusy a podmínky pro BTC hráče

Vítací bonus a wagering requirements

Většina licencovaných kasin v České republice nabízí vstupní bonus speciálně pro kryptoměny. Obvykle se jedná o 100 % match bonus až do výše 0,5 BTC plus několik free spinů na populárních automatech. Při uplatnění bonusu je nutné splnit wagering requirements, které se pohybují kolem 30‑35× celkové částky bonusu.

Upozorňujeme, že ne všechny hry přispívají stejně ke splnění podmínek – sloty mají nejvyšší příspěvek, zatímco live casino může mít nižší koeficient. Proto je dobré si před hraním přečíst podrobný bonusový popis a naplánovat si, jaké hry použijete ke splnění wagering requirements. Výše uvedený přístup vám pomůže maximalizovat zisk a minimalizovat ztrátu času.

Platební metody: vkládání a výběry v BTC

Vkládat a vybírat peníze pomocí Bitcoinu je v našem kasinu naprosto jednoduché. Po přihlášení zvolíte sekci „Deposit“ a získáte unikátní Bitcoin adresu, na kterou pošlete požadovanou částku. Vklady jsou zpracovány během několika minut, což je podstatná výhoda oproti tradičním bankovním převodům, které mohou trvat dny.

Výběry se liší v rychlosti podle zvolené blockchainové sítě. Níže uvádíme přehled typických časů a poplatků.

Metoda výběru	Průměrná rychlost	Poplatek
Standardní Bitcoin (BTC)	10‑30 minut	0,0005 BTC
Lightning Network	Okamžitě	0,0001 BTC
Instant payout (vnitřní převod)	Do 5 minut	Žádný

Kromě Bitcoinu můžete využít i další kryptoměny, ale pokud chcete BTC hrát, držte se výše uvedených metod, aby byl váš cash‑flow co nejplynulejší. Všechny transakce jsou monitorovány systémem anti‑fraud, takže máte jistotu, že vaše výhry dorazí bezpečně a bez zbytečného zdržení.

Mobilní a live casino zážitek

Mobilní aplikace a live hry

Naše platforma nabízí plně optimalizovanou mobilní verzi, která funguje jak v mobilním prohlížeči, tak v samostatné aplikaci pro Android i iOS. Aplikace podporuje všechny funkce, včetně vkladů v BTC, bonusových oznámení a okamžitého přístupu k live dealerům. Díky tomu můžete hrát i na cestách, aniž byste museli měnit zařízení.

Live casino nabízí reálné dealery, ruletu, blackjack a baccarat, kde můžete BTC hrát přímo proti živým profesionálům. Streamy jsou ve vysokém rozlišení a přichází s interaktivním chatem, takže máte pocit, že jste přímo na herním podlaze v Las Vegas. Pro začátečníky jsou k dispozici tutoriály, které vám pomohou pochopit pravidla a strategii během několika minut.

Bezpečnost, licence a zodpovědné hraní

Kasino je licencováno od renomovaného regulačního orgánu, což zaručuje transparentní provoz a dodržování přísných standardů. Šifrování SSL 256‑bit chrání veškeré osobní a finanční údaje, a všechny Bitcoin transakce jsou sledovány blockchainovým auditem, takže jsou plně prověřitelné.

V rámci zodpovědného hraní poskytujeme nástroje pro limity vkladů, časové omezení a možnost samovolného vyloučení. Pokud cítíte, že by hraní mohlo ohrozit váš rozpočet, můžete si nastavit denní limit nebo kontaktovat zákaznickou podporu, která je k dispozici 24/7 a pomůže vám s jakýmkoli požadavkem.

Často kladené otázky (FAQ)

Jak rychle se mé vklady v BTC projeví? Vklady jsou obvykle potvrzeny během 5‑15 minut, záleží na aktuální zátěži sítě.
Jsou výhry v BTC okamžitě vyplatitelné? Ano, pokud použijete Lightning Network nebo interní instant payout, výplata může trvat méně než 5 minut.
Potřebuji speciální účet pro kryptoměny? Ne, stačí vám běžný herní účet, kde můžete aktivovat Bitcoin jako platební metodu v nastavení.
Jaké jsou wagering requirements pro bonus? Standardně 30‑35×, ale konkrétní podmínky najdete v bonusové sekci po přihlášení.

Věříme, že tento praktický průvodce vám pomůže vstoupit do světa online hazardu s Bitcoiny s jistotou a pohodlím. Připravte se na rychlé výhry, bezpečné transakce a spoustu zábavy – a nezapomeňte hrát zodpovědně.