Run clang-format on .js files in c/b/r/chromeos/chromevox

chrome/browser/resources/chromeos/chromevox/common/math_semantic_attr.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Semantic attributes of Math symbols and expressions.
  *
  * This file contains the basic functionality to lookup and assign semantic
  * attributes for mathematical expressions. Since there is no such thing as a
  * well-defined semantics for all of mathematics we compute a default semantics
@@ skipping 39 matching lines @@
  * Observe that all characters are given as hex code number in order to ease the
  * comparison with those in the JSON files that define speech rules per
  * character.
  * @constructor
  */
 cvox.SemanticAttr = function() {
   // Punctuation Characters.
   /**
    * @type {Array<string>}
    */
-  this.generalPunctuations =
-      [
-        '!', '"', '#', '%', '&', '\'', '*', ',', ':', ';', '?', '@', '\\',
-        '¡', '§', '¶', '·', '¿', '‗', '†', '‡', '•', '‣', '․', '‥', '‧',
-        '‰', '‱', '‸', '※', '‼', '‽', '‾', '⁁', '⁂', '⁃', '⁇', '⁈', '⁉',
-        '⁋', '⁌', '⁍', '⁎', '⁏', '⁐', '⁑', '⁓', '⁕', '⁖', '⁘', '⁙', '⁚',
-        '⁛', '⁜', '⁝', '⁞', '︐', '︓', '︔', '︕', '︖', '︰', '﹅', '﹆',
-        '﹉', '﹊', '﹋', '﹌', '﹐', '﹔', '﹕', '﹖', '﹗', '﹟', '﹠', '﹡', '﹨',
-        '﹪', '﹫', '！', '＂', '＃', '％', '＆', '＇', '＊', '，', '／', '：',
-        '；', '？', '＠', '＼'
-      ];
+  this.generalPunctuations = [
+    '!',  '"',  '#',  '%',  '&',  '\'', '*',  ',',  ':',  ';',  '?',  '@',
+    '\\', '¡',  '§',  '¶',  '·',  '¿',  '‗',  '†',  '‡',  '•',  '‣',  '․',
+    '‥',  '‧',  '‰',  '‱',  '‸',  '※',  '‼',  '‽',  '‾',  '⁁',  '⁂',  '⁃',
+    '⁇',  '⁈',  '⁉',  '⁋',  '⁌',  '⁍',  '⁎',  '⁏',  '⁐',  '⁑',  '⁓',  '⁕',
+    '⁖',  '⁘',  '⁙',  '⁚',  '⁛',  '⁜',  '⁝',  '⁞',  '︐', '︓', '︔', '︕',
+    '︖', '︰', '﹅', '﹆', '﹉', '﹊', '﹋', '﹌', '﹐', '﹔', '﹕', '﹖',
+    '﹗', '﹟', '﹠', '﹡', '﹨', '﹪', '﹫', '！', '＂', '＃', '％', '＆',
+    '＇', '＊', '，', '／', '：', '；', '？', '＠', '＼'
+  ];
   /**
    * @type {string}
    * @private
    */
   this.invisibleComma_ = cvox.SemanticUtil.numberToUnicode(0x2063);
   this.generalPunctuations.push(this.invisibleComma_);
   /**
    * @type {Array<string>}
    */
-  this.ellipses =
-      [
-        '…', '⋮', '⋯', '⋰', '⋱', '︙'
-      ];
+  this.ellipses = ['…', '⋮', '⋯', '⋰', '⋱', '︙'];
   /**
    * @type {Array<string>}
    */
-  this.fullStops =
-      [
-        '.', '﹒', '．'
-      ];
+  this.fullStops = ['.', '﹒', '．'];
   /**
    * @type {Array<string>}
    */
-  this.dashes =
-      [
-        '‒', '–', '—', '―', '〜', '︱', '︲', '﹘'
-      ];
+  this.dashes = ['‒', '–', '—', '―', '〜', '︱', '︲', '﹘'];
   /**
    * @type {Array<string>}
    */
-  this.primes =
-      [
-        '′', '″', '‴', '‵', '‶', '‷', '⁗'
-      ];
+  this.primes = ['′', '″', '‴', '‵', '‶', '‷', '⁗'];
 
   // Fences.
   // Fences are treated slightly differently from other symbols as we want to
   // record pairs of opening/closing and top/bottom fences.
   /**
    * Mapping opening to closing fences.
    * @type {Object<string>}
    */
-  this.openClosePairs =
-      {
-        // Unicode categories Ps and Pe.
-        // Observe that left quotation 301D could also be matched to 301F,
-        // but is currently matched to 301E.
-        '(': ')', '[': ']', '{': '}', '⁅': '⁆', '〈': '〉', '❨': '❩',
-        '❪': '❫', '❬': '❭', '❮': '❯', '❰': '❱', '❲': '❳', '❴': '❵',
-        '⟅': '⟆', '⟦': '⟧', '⟨': '⟩', '⟪': '⟫', '⟬': '⟭', '⟮': '⟯',
-        '⦃': '⦄', '⦅': '⦆', '⦇': '⦈', '⦉': '⦊', '⦋': '⦌', '⦍': '⦎',
-        '⦏': '⦐', '⦑': '⦒', '⦓': '⦔', '⦕': '⦖', '⦗': '⦘', '⧘': '⧙',
-        '⧚': '⧛', '⧼': '⧽', '⸢': '⸣', '⸤': '⸥', '⸦': '⸧', '⸨': '⸩',
-        '〈': '〉', '《': '》', '「': '」', '『': '』', '【': '】',
-        '〔': '〕', '〖': '〗', '〘': '〙', '〚': '〛', '〝': '〞',
-        '﴾': '﴿', '︗': '︘', '﹙': '﹚', '﹛': '﹜', '﹝': '﹞', '（': '）',
-        '［': '］', '｛': '｝', '｟': '｠', '｢': '｣',
-        // Unicode categories Sm and So.
-        '⌈': '⌉', '⌊': '⌋', '⌌': '⌍', '⌎': '⌏', '⌜': '⌝', '⌞': '⌟',
-        // Extender fences.
-        // Parenthesis.
-        '⎛': '⎞', '⎜': '⎟', '⎝': '⎠',
-        // Square bracket.
-        '⎡': '⎤', '⎢': '⎥', '⎣': '⎦',
-        // Curly bracket.
-        '⎧': '⎫', '⎨': '⎬', '⎩': '⎭', '⎰': '⎱', '⎸': '⎹'
-      };
+  this.openClosePairs = {
+    // Unicode categories Ps and Pe.
+    // Observe that left quotation 301D could also be matched to 301F,
+    // but is currently matched to 301E.
+    '(': ')',
+    '[': ']',
+    '{': '}',
+    '⁅': '⁆',
+    '〈': '〉',
+    '❨': '❩',
+    '❪': '❫',
+    '❬': '❭',
+    '❮': '❯',
+    '❰': '❱',
+    '❲': '❳',
+    '❴': '❵',
+    '⟅': '⟆',
+    '⟦': '⟧',
+    '⟨': '⟩',
+    '⟪': '⟫',
+    '⟬': '⟭',
+    '⟮': '⟯',
+    '⦃': '⦄',
+    '⦅': '⦆',
+    '⦇': '⦈',
+    '⦉': '⦊',
+    '⦋': '⦌',
+    '⦍': '⦎',
+    '⦏': '⦐',
+    '⦑': '⦒',
+    '⦓': '⦔',
+    '⦕': '⦖',
+    '⦗': '⦘',
+    '⧘': '⧙',
+    '⧚': '⧛',
+    '⧼': '⧽',
+    '⸢': '⸣',
+    '⸤': '⸥',
+    '⸦': '⸧',
+    '⸨': '⸩',
+    '〈': '〉',
+    '《': '》',
+    '「': '」',
+    '『': '』',
+    '【': '】',
+    '〔': '〕',
+    '〖': '〗',
+    '〘': '〙',
+    '〚': '〛',
+    '〝': '〞',
+    '﴾': '﴿',
+    '︗': '︘',
+    '﹙': '﹚',
+    '﹛': '﹜',
+    '﹝': '﹞',
+    '（': '）',
+    '［': '］',
+    '｛': '｝',
+    '｟': '｠',
+    '｢': '｣',
+    // Unicode categories Sm and So.
+    '⌈': '⌉',
+    '⌊': '⌋',
+    '⌌': '⌍',
+    '⌎': '⌏',
+    '⌜': '⌝',
+    '⌞': '⌟',
+    // Extender fences.
+    // Parenthesis.
+    '⎛': '⎞',
+    '⎜': '⎟',
+    '⎝': '⎠',
+    // Square bracket.
+    '⎡': '⎤',
+    '⎢': '⎥',
+    '⎣': '⎦',
+    // Curly bracket.
+    '⎧': '⎫',
+    '⎨': '⎬',
+    '⎩': '⎭',
+    '⎰': '⎱',
+    '⎸': '⎹'
+  };
   /**
    * Mapping top to bottom fences.
    * @type {Object<string>}
    */
-  this.topBottomPairs =
-      {
-        '⎴': '⎵', '⏜': '⏝', '⏞': '⏟', '⏠': '⏡', '︵': '︶', '︷': '︸',
-        '︹': '︺', '︻': '︼', '︽': '︾', '︿': '﹀', '﹁': '﹂',
-        '﹃': '﹄', '﹇': '﹈'
-      };
+  this.topBottomPairs = {
+    '⎴': '⎵',
+    '⏜': '⏝',
+    '⏞': '⏟',
+    '⏠': '⏡',
+    '︵': '︶',
+    '︷': '︸',
+    '︹': '︺',
+    '︻': '︼',
+    '︽': '︾',
+    '︿': '﹀',
+    '﹁': '﹂',
+    '﹃': '﹄',
+    '﹇': '﹈'
+  };
   /**
    * @type {Array<string>}
    */
   this.leftFences = cvox.SemanticUtil.objectsToKeys(this.openClosePairs);
   /**
    * @type {Array<string>}
    */
   this.rightFences = cvox.SemanticUtil.objectsToValues(this.openClosePairs);
   this.rightFences.push('〟');
   /**
    * @type {Array<string>}
    */
   this.topFences = cvox.SemanticUtil.objectsToKeys(this.topBottomPairs);
   /**
    * @type {Array<string>}
    */
   this.bottomFences = cvox.SemanticUtil.objectsToValues(this.topBottomPairs);
   /**
    * @type {Array<string>}
    */
-  this.neutralFences =
-      [
-        '|', '¦', '‖', '❘', '⦀', '⫴', '￤', '｜'
-      ];
+  this.neutralFences = ['|', '¦', '‖', '❘', '⦀', '⫴', '￤', '｜'];
   /** Array of all fences.
    * @type {Array<string>}
    */
   this.fences = this.neutralFences.concat(
       this.leftFences, this.rightFences, this.topFences, this.bottomFences);
 
   // Identifiers.
   // Latin Alphabets.
   /**
    * @type {Array<string>}
    */
-  this.capitalLatin =
-      [
-        'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
-        'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
-      ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatin =
-      [
-        'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
-        'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
-        // dotless i and j.
-        'ı', 'ȷ'
-      ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinFullWidth =
-      [
-        'Ａ', 'Ｂ', 'Ｃ', 'Ｄ', 'Ｅ', 'Ｆ', 'Ｇ', 'Ｈ', 'Ｉ', 'Ｊ', 'Ｋ', 'Ｌ', 'Ｍ',
-       'Ｎ', 'Ｏ', 'Ｐ', 'Ｑ', 'Ｒ', 'Ｓ', 'Ｔ', 'Ｕ', 'Ｖ', 'Ｗ', 'Ｘ', 'Ｙ', 'Ｚ'
-      ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinFullWidth =
-      [
-        'ａ', 'ｂ', 'ｃ', 'ｄ', 'ｅ', 'ｆ', 'ｇ', 'ｈ', 'ｉ', 'ｊ', 'ｋ', 'ｌ', 'ｍ',
-        'ｎ', 'ｏ', 'ｐ', 'ｑ', 'ｒ', 'ｓ', 'ｔ', 'ｕ', 'ｖ', 'ｗ', 'ｘ', 'ｙ', 'ｚ'
-      ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinBold =
-      [
-        '𝐀', '𝐁', '𝐂', '𝐃', '𝐄', '𝐅', '𝐆', '𝐇', '𝐈', '𝐉', '𝐊', '𝐋', '𝐌',
-       '𝐍', '𝐎', '𝐏', '𝐐', '𝐑', '𝐒', '𝐓', '𝐔', '𝐕', '𝐖', '𝐗', '𝐘', '𝐙'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinBold =
-      [
-        '𝐚', '𝐛', '𝐜', '𝐝', '𝐞', '𝐟', '𝐠', '𝐡', '𝐢', '𝐣', '𝐤', '𝐥', '𝐦',
-       '𝐧', '𝐨', '𝐩', '𝐪', '𝐫', '𝐬', '𝐭', '𝐮', '𝐯', '𝐰', '𝐱', '𝐲', '𝐳'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinItalic =
-      [
-        '𝐴', '𝐵', '𝐶', '𝐷', '𝐸', '𝐹', '𝐺', '𝐻', '𝐼', '𝐽', '𝐾', '𝐿', '𝑀',
-       '𝑁', '𝑂', '𝑃', '𝑄', '𝑅', '𝑆', '𝑇', '𝑈', '𝑉', '𝑊', '𝑋', '𝑌', '𝑍'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinItalic =
-      [
-        '𝑎', '𝑏', '𝑐', '𝑑', '𝑒', '𝑓', '𝑔', 'ℎ', '𝑖', '𝑗', '𝑘', '𝑙', '𝑚',
-       '𝑛', '𝑜', '𝑝', '𝑞', '𝑟', '𝑠', '𝑡', '𝑢', '𝑣', '𝑤', '𝑥', '𝑦', '𝑧',
-       // dotless i and j.
-       '𝚤', '𝚥'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinScript =
-      [
-        '𝒜', 'ℬ', '𝒞', '𝒟', 'ℰ', 'ℱ', '𝒢', 'ℋ', 'ℐ', '𝒥', '𝒦', 'ℒ', 'ℳ',
-       '𝒩', '𝒪', '𝒫', '𝒬', 'ℛ', '𝒮', '𝒯', '𝒰', '𝒱', '𝒲', '𝒳', '𝒴', '𝒵',
-       // Powerset Cap P.
-       '℘'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinScript =
-      [
-        '𝒶', '𝒷', '𝒸', '𝒹', 'ℯ', '𝒻', 'ℊ', '𝒽', '𝒾', '𝒿', '𝓀', '𝓁', '𝓂',
-       '𝓃', 'ℴ', '𝓅', '𝓆', '𝓇', '𝓈', '𝓉', '𝓊', '𝓋', '𝓌', '𝓍', '𝓎', '𝓏',
-       // script small l
-       'ℓ'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinBoldScript =
-      [
-        '𝓐', '𝓑', '𝓒', '𝓓', '𝓔', '𝓕', '𝓖', '𝓗', '𝓘', '𝓙', '𝓚', '𝓛', '𝓜',
-       '𝓝', '𝓞', '𝓟', '𝓠', '𝓡', '𝓢', '𝓣', '𝓤', '𝓥', '𝓦', '𝓧', '𝓨', '𝓩'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinBoldScript =
-      [
-        '𝓪', '𝓫', '𝓬', '𝓭', '𝓮', '𝓯', '𝓰', '𝓱', '𝓲', '𝓳', '𝓴', '𝓵', '𝓶',
-       '𝓷', '𝓸', '𝓹', '𝓺', '𝓻', '𝓼', '𝓽', '𝓾', '𝓿', '𝔀', '𝔁', '𝔂', '𝔃'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinFraktur =
-      [
-        '𝔄', '𝔅', 'ℭ', '𝔇', '𝔈', '𝔉', '𝔊', 'ℌ', 'ℑ', '𝔍', '𝔎', '𝔏', '𝔐',
-       '𝔑', '𝔒', '𝔓', '𝔔', 'ℜ', '𝔖', '𝔗', '𝔘', '𝔙', '𝔚', '𝔛', '𝔜', 'ℨ'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinFraktur =
-      [
-        '𝔞', '𝔟', '𝔠', '𝔡', '𝔢', '𝔣', '𝔤', '𝔥', '𝔦', '𝔧', '𝔨', '𝔩', '𝔪',
-       '𝔫', '𝔬', '𝔭', '𝔮', '𝔯', '𝔰', '𝔱', '𝔲', '𝔳', '𝔴', '𝔵', '𝔶', '𝔷'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinDoubleStruck =
-      [
-        '𝔸', '𝔹', 'ℂ', '𝔻', '𝔼', '𝔽', '𝔾', 'ℍ', '𝕀', '𝕁', '𝕂', '𝕃', '𝕄',
-       'ℕ', '𝕆', 'ℙ', 'ℚ', 'ℝ', '𝕊', '𝕋', '𝕌', '𝕍', '𝕎', '𝕏', '𝕐', 'ℤ'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinDoubleStruck =
-      [
-        '𝕒', '𝕓', '𝕔', '𝕕', '𝕖', '𝕗', '𝕘', '𝕙', '𝕚', '𝕛', '𝕜', '𝕝', '𝕞',
-       '𝕟', '𝕠', '𝕡', '𝕢', '𝕣', '𝕤', '𝕥', '𝕦', '𝕧', '𝕨', '𝕩', '𝕪', '𝕫'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinBoldFraktur =
-      [
-        '𝕬', '𝕭', '𝕮', '𝕯', '𝕰', '𝕱', '𝕲', '𝕳', '𝕴', '𝕵', '𝕶', '𝕷', '𝕸',
-       '𝕹', '𝕺', '𝕻', '𝕼', '𝕽', '𝕾', '𝕿', '𝖀', '𝖁', '𝖂', '𝖃', '𝖄', '𝖅'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinBoldFraktur =
-      [
-        '𝖆', '𝖇', '𝖈', '𝖉', '𝖊', '𝖋', '𝖌', '𝖍', '𝖎', '𝖏', '𝖐', '𝖑', '𝖒',
-       '𝖓', '𝖔', '𝖕', '𝖖', '𝖗', '𝖘', '𝖙', '𝖚', '𝖛', '𝖜', '𝖝', '𝖞', '𝖟'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinSansSerif =
-      [
-        '𝖠', '𝖡', '𝖢', '𝖣', '𝖤', '𝖥', '𝖦', '𝖧', '𝖨', '𝖩', '𝖪', '𝖫', '𝖬',
-       '𝖭', '𝖮', '𝖯', '𝖰', '𝖱', '𝖲', '𝖳', '𝖴', '𝖵', '𝖶', '𝖷', '𝖸', '𝖹'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinSansSerif =
-      [
-        '𝖺', '𝖻', '𝖼', '𝖽', '𝖾', '𝖿', '𝗀', '𝗁', '𝗂', '𝗃', '𝗄', '𝗅', '𝗆',
-       '𝗇', '𝗈', '𝗉', '𝗊', '𝗋', '𝗌', '𝗍', '𝗎', '𝗏', '𝗐', '𝗑', '𝗒', '𝗓'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinSansSerifBold =
-      [
-        '𝗔', '𝗕', '𝗖', '𝗗', '𝗘', '𝗙', '𝗚', '𝗛', '𝗜', '𝗝', '𝗞', '𝗟', '𝗠',
-       '𝗡', '𝗢', '𝗣', '𝗤', '𝗥', '𝗦', '𝗧', '𝗨', '𝗩', '𝗪', '𝗫', '𝗬', '𝗭'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinSansSerifBold =
-      [
-        '𝗮', '𝗯', '𝗰', '𝗱', '𝗲', '𝗳', '𝗴', '𝗵', '𝗶', '𝗷', '𝗸', '𝗹', '𝗺',
-       '𝗻', '𝗼', '𝗽', '𝗾', '𝗿', '𝘀', '𝘁', '𝘂', '𝘃', '𝘄', '𝘅', '𝘆', '𝘇'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinSansSerifItalic =
-      [
-        '𝘈', '𝘉', '𝘊', '𝘋', '𝘌', '𝘍', '𝘎', '𝘏', '𝘐', '𝘑', '𝘒', '𝘓', '𝘔',
-       '𝘕', '𝘖', '𝘗', '𝘘', '𝘙', '𝘚', '𝘛', '𝘜', '𝘝', '𝘞', '𝘟', '𝘠', '𝘡'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinSansSerifItalic =
-      [
-        '𝘢', '𝘣', '𝘤', '𝘥', '𝘦', '𝘧', '𝘨', '𝘩', '𝘪', '𝘫', '𝘬', '𝘭', '𝘮',
-       '𝘯', '𝘰', '𝘱', '𝘲', '𝘳', '𝘴', '𝘵', '𝘶', '𝘷', '𝘸', '𝘹', '𝘺', '𝘻'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalLatinMonospace =
-      [
-        '𝙰', '𝙱', '𝙲', '𝙳', '𝙴', '𝙵', '𝙶', '𝙷', '𝙸', '𝙹', '𝙺', '𝙻', '𝙼',
-       '𝙽', '𝙾', '𝙿', '𝚀', '𝚁', '𝚂', '𝚃', '𝚄', '𝚅', '𝚆', '𝚇', '𝚈', '𝚉'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallLatinMonospace =
-      [
-        '𝚊', '𝚋', '𝚌', '𝚍', '𝚎', '𝚏', '𝚐', '𝚑', '𝚒', '𝚓', '𝚔', '𝚕', '𝚖',
-       '𝚗', '𝚘', '𝚙', '𝚚', '𝚛', '𝚜', '𝚝', '𝚞', '𝚟', '𝚠', '𝚡', '𝚢', '𝚣'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.latinDoubleStruckItalic =
-      [
-        'ⅅ', 'ⅆ', 'ⅇ', 'ⅈ', 'ⅉ'
-        ];
+  this.capitalLatin = [
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatin = [
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+    'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    // dotless i and j.
+    'ı', 'ȷ'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinFullWidth = [
+    'Ａ', 'Ｂ', 'Ｃ', 'Ｄ', 'Ｅ', 'Ｆ', 'Ｇ', 'Ｈ', 'Ｉ',
+    'Ｊ', 'Ｋ', 'Ｌ', 'Ｍ', 'Ｎ', 'Ｏ', 'Ｐ', 'Ｑ', 'Ｒ',
+    'Ｓ', 'Ｔ', 'Ｕ', 'Ｖ', 'Ｗ', 'Ｘ', 'Ｙ', 'Ｚ'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinFullWidth = [
+    'ａ', 'ｂ', 'ｃ', 'ｄ', 'ｅ', 'ｆ', 'ｇ', 'ｈ', 'ｉ',
+    'ｊ', 'ｋ', 'ｌ', 'ｍ', 'ｎ', 'ｏ', 'ｐ', 'ｑ', 'ｒ',
+    'ｓ', 'ｔ', 'ｕ', 'ｖ', 'ｗ', 'ｘ', 'ｙ', 'ｚ'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinBold = [
+    '𝐀', '𝐁', '𝐂', '𝐃', '𝐄', '𝐅', '𝐆', '𝐇', '𝐈', '𝐉', '𝐊', '𝐋', '𝐌',
+    '𝐍', '𝐎', '𝐏', '𝐐', '𝐑', '𝐒', '𝐓', '𝐔', '𝐕', '𝐖', '𝐗', '𝐘', '𝐙'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinBold = [
+    '𝐚', '𝐛', '𝐜', '𝐝', '𝐞', '𝐟', '𝐠', '𝐡', '𝐢', '𝐣', '𝐤', '𝐥', '𝐦',
+    '𝐧', '𝐨', '𝐩', '𝐪', '𝐫', '𝐬', '𝐭', '𝐮', '𝐯', '𝐰', '𝐱', '𝐲', '𝐳'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinItalic = [
+    '𝐴', '𝐵', '𝐶', '𝐷', '𝐸', '𝐹', '𝐺', '𝐻', '𝐼', '𝐽', '𝐾', '𝐿', '𝑀',
+    '𝑁', '𝑂', '𝑃', '𝑄', '𝑅', '𝑆', '𝑇', '𝑈', '𝑉', '𝑊', '𝑋', '𝑌', '𝑍'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinItalic = [
+    '𝑎', '𝑏', '𝑐', '𝑑', '𝑒', '𝑓', '𝑔', 'ℎ', '𝑖', '𝑗', '𝑘', '𝑙', '𝑚', '𝑛', '𝑜',
+    '𝑝', '𝑞', '𝑟', '𝑠', '𝑡', '𝑢', '𝑣', '𝑤', '𝑥', '𝑦', '𝑧',
+    // dotless i and j.
+    '𝚤', '𝚥'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinScript = [
+    '𝒜', 'ℬ', '𝒞', '𝒟', 'ℰ', 'ℱ', '𝒢', 'ℋ', 'ℐ', '𝒥', '𝒦', 'ℒ', 'ℳ', '𝒩', '𝒪',
+    '𝒫', '𝒬', 'ℛ', '𝒮', '𝒯', '𝒰', '𝒱', '𝒲', '𝒳', '𝒴', '𝒵',
+    // Powerset Cap P.
+    '℘'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinScript = [
+    '𝒶', '𝒷', '𝒸', '𝒹', 'ℯ', '𝒻', 'ℊ', '𝒽', '𝒾', '𝒿', '𝓀', '𝓁', '𝓂', '𝓃', 'ℴ',
+    '𝓅', '𝓆', '𝓇', '𝓈', '𝓉', '𝓊', '𝓋', '𝓌', '𝓍', '𝓎', '𝓏',
+    // script small l
+    'ℓ'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinBoldScript = [
+    '𝓐', '𝓑', '𝓒', '𝓓', '𝓔', '𝓕', '𝓖', '𝓗', '𝓘', '𝓙', '𝓚', '𝓛', '𝓜',
+    '𝓝', '𝓞', '𝓟', '𝓠', '𝓡', '𝓢', '𝓣', '𝓤', '𝓥', '𝓦', '𝓧', '𝓨', '𝓩'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinBoldScript = [
+    '𝓪', '𝓫', '𝓬', '𝓭', '𝓮', '𝓯', '𝓰', '𝓱', '𝓲', '𝓳', '𝓴', '𝓵', '𝓶',
+    '𝓷', '𝓸', '𝓹', '𝓺', '𝓻', '𝓼', '𝓽', '𝓾', '𝓿', '𝔀', '𝔁', '𝔂', '𝔃'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinFraktur = [
+    '𝔄', '𝔅', 'ℭ', '𝔇', '𝔈', '𝔉', '𝔊', 'ℌ', 'ℑ', '𝔍', '𝔎', '𝔏', '𝔐',
+    '𝔑', '𝔒', '𝔓', '𝔔', 'ℜ', '𝔖', '𝔗', '𝔘', '𝔙', '𝔚', '𝔛', '𝔜', 'ℨ'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinFraktur = [
+    '𝔞', '𝔟', '𝔠', '𝔡', '𝔢', '𝔣', '𝔤', '𝔥', '𝔦', '𝔧', '𝔨', '𝔩', '𝔪',
+    '𝔫', '𝔬', '𝔭', '𝔮', '𝔯', '𝔰', '𝔱', '𝔲', '𝔳', '𝔴', '𝔵', '𝔶', '𝔷'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinDoubleStruck = [
+    '𝔸', '𝔹', 'ℂ', '𝔻', '𝔼', '𝔽', '𝔾', 'ℍ', '𝕀', '𝕁', '𝕂', '𝕃', '𝕄',
+    'ℕ', '𝕆', 'ℙ', 'ℚ', 'ℝ', '𝕊', '𝕋', '𝕌', '𝕍', '𝕎', '𝕏', '𝕐', 'ℤ'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinDoubleStruck = [
+    '𝕒', '𝕓', '𝕔', '𝕕', '𝕖', '𝕗', '𝕘', '𝕙', '𝕚', '𝕛', '𝕜', '𝕝', '𝕞',
+    '𝕟', '𝕠', '𝕡', '𝕢', '𝕣', '𝕤', '𝕥', '𝕦', '𝕧', '𝕨', '𝕩', '𝕪', '𝕫'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinBoldFraktur = [
+    '𝕬', '𝕭', '𝕮', '𝕯', '𝕰', '𝕱', '𝕲', '𝕳', '𝕴', '𝕵', '𝕶', '𝕷', '𝕸',
+    '𝕹', '𝕺', '𝕻', '𝕼', '𝕽', '𝕾', '𝕿', '𝖀', '𝖁', '𝖂', '𝖃', '𝖄', '𝖅'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinBoldFraktur = [
+    '𝖆', '𝖇', '𝖈', '𝖉', '𝖊', '𝖋', '𝖌', '𝖍', '𝖎', '𝖏', '𝖐', '𝖑', '𝖒',
+    '𝖓', '𝖔', '𝖕', '𝖖', '𝖗', '𝖘', '𝖙', '𝖚', '𝖛', '𝖜', '𝖝', '𝖞', '𝖟'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinSansSerif = [
+    '𝖠', '𝖡', '𝖢', '𝖣', '𝖤', '𝖥', '𝖦', '𝖧', '𝖨', '𝖩', '𝖪', '𝖫', '𝖬',
+    '𝖭', '𝖮', '𝖯', '𝖰', '𝖱', '𝖲', '𝖳', '𝖴', '𝖵', '𝖶', '𝖷', '𝖸', '𝖹'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinSansSerif = [
+    '𝖺', '𝖻', '𝖼', '𝖽', '𝖾', '𝖿', '𝗀', '𝗁', '𝗂', '𝗃', '𝗄', '𝗅', '𝗆',
+    '𝗇', '𝗈', '𝗉', '𝗊', '𝗋', '𝗌', '𝗍', '𝗎', '𝗏', '𝗐', '𝗑', '𝗒', '𝗓'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinSansSerifBold = [
+    '𝗔', '𝗕', '𝗖', '𝗗', '𝗘', '𝗙', '𝗚', '𝗛', '𝗜', '𝗝', '𝗞', '𝗟', '𝗠',
+    '𝗡', '𝗢', '𝗣', '𝗤', '𝗥', '𝗦', '𝗧', '𝗨', '𝗩', '𝗪', '𝗫', '𝗬', '𝗭'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinSansSerifBold = [
+    '𝗮', '𝗯', '𝗰', '𝗱', '𝗲', '𝗳', '𝗴', '𝗵', '𝗶', '𝗷', '𝗸', '𝗹', '𝗺',
+    '𝗻', '𝗼', '𝗽', '𝗾', '𝗿', '𝘀', '𝘁', '𝘂', '𝘃', '𝘄', '𝘅', '𝘆', '𝘇'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinSansSerifItalic = [
+    '𝘈', '𝘉', '𝘊', '𝘋', '𝘌', '𝘍', '𝘎', '𝘏', '𝘐', '𝘑', '𝘒', '𝘓', '𝘔',
+    '𝘕', '𝘖', '𝘗', '𝘘', '𝘙', '𝘚', '𝘛', '𝘜', '𝘝', '𝘞', '𝘟', '𝘠', '𝘡'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinSansSerifItalic = [
+    '𝘢', '𝘣', '𝘤', '𝘥', '𝘦', '𝘧', '𝘨', '𝘩', '𝘪', '𝘫', '𝘬', '𝘭', '𝘮',
+    '𝘯', '𝘰', '𝘱', '𝘲', '𝘳', '𝘴', '𝘵', '𝘶', '𝘷', '𝘸', '𝘹', '𝘺', '𝘻'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalLatinMonospace = [
+    '𝙰', '𝙱', '𝙲', '𝙳', '𝙴', '𝙵', '𝙶', '𝙷', '𝙸', '𝙹', '𝙺', '𝙻', '𝙼',
+    '𝙽', '𝙾', '𝙿', '𝚀', '𝚁', '𝚂', '𝚃', '𝚄', '𝚅', '𝚆', '𝚇', '𝚈', '𝚉'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallLatinMonospace = [
+    '𝚊', '𝚋', '𝚌', '𝚍', '𝚎', '𝚏', '𝚐', '𝚑', '𝚒', '𝚓', '𝚔', '𝚕', '𝚖',
+    '𝚗', '𝚘', '𝚙', '𝚚', '𝚛', '𝚜', '𝚝', '𝚞', '𝚟', '𝚠', '𝚡', '𝚢', '𝚣'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.latinDoubleStruckItalic = ['ⅅ', 'ⅆ', 'ⅇ', 'ⅈ', 'ⅉ'];
 
   // Greek Alphabets
   /**
    * @type {Array<string>}
    */
-  this.capitalGreek =
-      [
-        'Α', 'Β', 'Γ', 'Δ', 'Ε', 'Ζ', 'Η', 'Θ', 'Ι', 'Κ', 'Λ', 'Μ', 'Ν',
-       'Ξ', 'Ο', 'Π', 'Ρ', 'Σ', 'Τ', 'Υ', 'Φ', 'Χ', 'Ψ', 'Ω'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallGreek =
-      [
-        'α', 'β', 'γ', 'δ', 'ε', 'ζ', 'η', 'θ', 'ι', 'κ', 'λ', 'μ', 'ν',
-       'ξ', 'ο', 'π', 'ρ', 'ς', 'σ', 'τ', 'υ', 'φ', 'χ', 'ψ', 'ω'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalGreekBold =
-      [
-        '𝚨', '𝚩', '𝚪', '𝚫', '𝚬', '𝚭', '𝚮', '𝚯', '𝚰', '𝚱', '𝚲', '𝚳', '𝚴',
-       '𝚵', '𝚶', '𝚷', '𝚸', '𝚺', '𝚻', '𝚼', '𝚽', '𝚾', '𝚿', '𝛀'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallGreekBold =
-      [
-        '𝛂', '𝛃', '𝛄', '𝛅', '𝛆', '𝛇', '𝛈', '𝛉', '𝛊', '𝛋', '𝛌', '𝛍', '𝛎',
-       '𝛏', '𝛐', '𝛑', '𝛒', '𝛓', '𝛔', '𝛕', '𝛖', '𝛗', '𝛘', '𝛙', '𝛚'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalGreekItalic =
-      [
-        '𝛢', '𝛣', '𝛤', '𝛥', '𝛦', '𝛧', '𝛨', '𝛩', '𝛪', '𝛫', '𝛬', '𝛭', '𝛮',
-       '𝛯', '𝛰', '𝛱', '𝛲', '𝛴', '𝛵', '𝛶', '𝛷', '𝛸', '𝛹', '𝛺'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallGreekItalic =
-      [
-        '𝛼', '𝛽', '𝛾', '𝛿', '𝜀', '𝜁', '𝜂', '𝜃', '𝜄', '𝜅', '𝜆', '𝜇', '𝜈',
-       '𝜉', '𝜊', '𝜋', '𝜌', '𝜍', '𝜎', '𝜏', '𝜐', '𝜑', '𝜒', '𝜓', '𝜔'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.capitalGreekSansSerifBold =
-      [
-        '𝝖', '𝝗', '𝝘', '𝝙', '𝝚', '𝝛', '𝝜', '𝝝', '𝝞', '𝝟', '𝝠', '𝝡', '𝝢',
-       '𝝣', '𝝤', '𝝥', '𝝦', '𝝨', '𝝩', '𝝪', '𝝫', '𝝬', '𝝭', '𝝮'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.smallGreekSansSerifBold =
-      [
-        '𝝰', '𝝱', '𝝲', '𝝳', '𝝴', '𝝵', '𝝶', '𝝷', '𝝸', '𝝹', '𝝺', '𝝻', '𝝼',
-       '𝝽', '𝝾', '𝝿', '𝞀', '𝞁', '𝞂', '𝞃', '𝞄', '𝞅', '𝞆', '𝞇', '𝞈'
-        ];
-  /**
-   * @type {Array<string>}
-   */
-  this.greekDoubleStruck =
-      [
-        'ℼ', 'ℽ', 'ℾ', 'ℿ'
-        ];
+  this.capitalGreek = [
+    'Α', 'Β', 'Γ', 'Δ', 'Ε', 'Ζ', 'Η', 'Θ', 'Ι', 'Κ', 'Λ', 'Μ',
+    'Ν', 'Ξ', 'Ο', 'Π', 'Ρ', 'Σ', 'Τ', 'Υ', 'Φ', 'Χ', 'Ψ', 'Ω'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallGreek = [
+    'α', 'β', 'γ', 'δ', 'ε', 'ζ', 'η', 'θ', 'ι', 'κ', 'λ', 'μ', 'ν',
+    'ξ', 'ο', 'π', 'ρ', 'ς', 'σ', 'τ', 'υ', 'φ', 'χ', 'ψ', 'ω'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalGreekBold = [
+    '𝚨', '𝚩', '𝚪', '𝚫', '𝚬', '𝚭', '𝚮', '𝚯', '𝚰', '𝚱', '𝚲', '𝚳',
+    '𝚴', '𝚵', '𝚶', '𝚷', '𝚸', '𝚺', '𝚻', '𝚼', '𝚽', '𝚾', '𝚿', '𝛀'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallGreekBold = [
+    '𝛂', '𝛃', '𝛄', '𝛅', '𝛆', '𝛇', '𝛈', '𝛉', '𝛊', '𝛋', '𝛌', '𝛍', '𝛎',
+    '𝛏', '𝛐', '𝛑', '𝛒', '𝛓', '𝛔', '𝛕', '𝛖', '𝛗', '𝛘', '𝛙', '𝛚'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalGreekItalic = [
+    '𝛢', '𝛣', '𝛤', '𝛥', '𝛦', '𝛧', '𝛨', '𝛩', '𝛪', '𝛫', '𝛬', '𝛭',
+    '𝛮', '𝛯', '𝛰', '𝛱', '𝛲', '𝛴', '𝛵', '𝛶', '𝛷', '𝛸', '𝛹', '𝛺'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallGreekItalic = [
+    '𝛼', '𝛽', '𝛾', '𝛿', '𝜀', '𝜁', '𝜂', '𝜃', '𝜄', '𝜅', '𝜆', '𝜇', '𝜈',
+    '𝜉', '𝜊', '𝜋', '𝜌', '𝜍', '𝜎', '𝜏', '𝜐', '𝜑', '𝜒', '𝜓', '𝜔'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.capitalGreekSansSerifBold = [
+    '𝝖', '𝝗', '𝝘', '𝝙', '𝝚', '𝝛', '𝝜', '𝝝', '𝝞', '𝝟', '𝝠', '𝝡',
+    '𝝢', '𝝣', '𝝤', '𝝥', '𝝦', '𝝨', '𝝩', '𝝪', '𝝫', '𝝬', '𝝭', '𝝮'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.smallGreekSansSerifBold = [
+    '𝝰', '𝝱', '𝝲', '𝝳', '𝝴', '𝝵', '𝝶', '𝝷', '𝝸', '𝝹', '𝝺', '𝝻', '𝝼',
+    '𝝽', '𝝾', '𝝿', '𝞀', '𝞁', '𝞂', '𝞃', '𝞄', '𝞅', '𝞆', '𝞇', '𝞈'
+  ];
+  /**
+   * @type {Array<string>}
+   */
+  this.greekDoubleStruck = ['ℼ', 'ℽ', 'ℾ', 'ℿ'];
 
   // Other alphabets.
   /**
    * @type {Array<string>}
    */
-  this.hebrewLetters =
-      [
-        'ℵ', 'ℶ', 'ℷ', 'ℸ'
-        ];
+  this.hebrewLetters = ['ℵ', 'ℶ', 'ℷ', 'ℸ'];
 
-  //Operator symbols
-  /**
-   * @type {Array<string>}
-   */
-  this.additions =
-      [
-        '+', '±', '∓', '∔', '∧', '∨', '∩', '∪', '⊌', '⊓', '⊔', '⊝', '⊞',
-        '⊤', '⊥', '⊺', '⊻', '⊼', '⋄', '⋎', '⋏', '⋒', '⋓', '△', '▷', '▽',
-        '◁', '⩞', '⊕'
-        ];
-      /**
-       * @type {Array<string>}
-           */
+  // Operator symbols
+  /**
+   * @type {Array<string>}
+   */
+  this.additions = [
+    '+', '±', '∓', '∔', '∧', '∨', '∩', '∪', '⊌', '⊓', '⊔', '⊝', '⊞', '⊤', '⊥',
+    '⊺', '⊻', '⊼', '⋄', '⋎', '⋏', '⋒', '⋓', '△', '▷', '▽', '◁', '⩞', '⊕'
+  ];
+  /**
+   * @type {Array<string>}
+   */
   /**
    * Invisible operator for plus.
    * @type {string}
    * @private
    */
   this.invisiblePlus_ = cvox.SemanticUtil.numberToUnicode(0x2064);
   this.additions.push(this.invisiblePlus_);
   /**
    * @type {Array<string>}
    */
-  this.multiplications =
-      [
-        '†', '‡', '∐', '∗', '∘', '∙', '≀', '⊚', '⊛', '⊠', '⊡', '⋅', '⋆', '⋇',
-        '⋉', '⋊', '⋋', '⋌', '○'
-        ];
+  this.multiplications = [
+    '†', '‡', '∐', '∗', '∘', '∙', '≀', '⊚', '⊛', '⊠', '⊡', '⋅', '⋆', '⋇', '⋉',
+    '⋊', '⋋', '⋌', '○'
+  ];
   /**
    * Invisible operator for multiplication.
    * @type {string}
    * @private
    */
   this.invisibleTimes_ = cvox.SemanticUtil.numberToUnicode(0x2062);
   this.multiplications.push(this.invisibleTimes_);
   /**
    * @type {Array<string>}
    */
-  this.subtractions =
-      [
-        '-', '⁒', '⁻', '₋', '−', '∖', '∸', '≂', '⊖', '⊟', '➖', '⨩', '⨪',
-       '⨫', '⨬', '⨺', '⩁', '⩬', '﹣', '－', '‐', '‑'
-        ];
+  this.subtractions = [
+    '-', '⁒', '⁻', '₋', '−', '∖', '∸', '≂',  '⊖',  '⊟', '➖',
+    '⨩', '⨪', '⨫', '⨬', '⨺', '⩁', '⩬', '﹣', '－', '‐', '‑'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.divisions =
-      [
-        '/', '÷', '⁄', '∕', '⊘', '⟌', '⦼', '⨸'
-        ];
+  this.divisions = ['/', '÷', '⁄', '∕', '⊘', '⟌', '⦼', '⨸'];
   /**
    * Invisible operator for function application.
    * @type {string}
    * @private
    */
   this.functionApplication_ = cvox.SemanticUtil.numberToUnicode(0x2061);
 
-  //Relation symbols
+  // Relation symbols
   /**
    * @type {Array<string>}
    */
-  this.equalities =
-      [
-        '=', '~', '⁼', '₌', '∼', '∽', '≃', '≅', '≈', '≊', '≋', '≌', '≍',
-       '≎', '≑', '≒', '≓', '≔', '≕', '≖', '≗', '≘', '≙', '≚', '≛', '≜',
-       '≝', '≞', '≟', '≡', '≣', '⧤', '⩦', '⩮', '⩯', '⩰', '⩱', '⩲', '⩳',
-       '⩴', '⩵', '⩶', '⩷', '⩸', '⋕', '⩭', '⩪', '⩫', '⩬', '﹦', '＝'
-        ];
+  this.equalities = [
+    '=', '~', '⁼', '₌', '∼', '∽', '≃', '≅', '≈', '≊', '≋',  '≌', '≍',
+    '≎', '≑', '≒', '≓', '≔', '≕', '≖', '≗', '≘', '≙', '≚',  '≛', '≜',
+    '≝', '≞', '≟', '≡', '≣', '⧤', '⩦', '⩮', '⩯', '⩰', '⩱',  '⩲', '⩳',
+    '⩴', '⩵', '⩶', '⩷', '⩸', '⋕', '⩭', '⩪', '⩫', '⩬', '﹦', '＝'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.inequalities =
-      [
-        '<', '>', '≁', '≂', '≄', '≆', '≇', '≉', '≏', '≐', '≠', '≢', '≤',
-        '≥', '≦', '≧', '≨', '≩', '≪', '≫', '≬', '≭', '≮', '≯', '≰', '≱',
-        '≲', '≳', '≴', '≵', '≶', '≷', '≸', '≹', '≺', '≻', '≼', '≽', '≾',
-        '≿', '⊀', '⊁', '⋖', '⋗', '⋘', '⋙', '⋚', '⋛', '⋜', '⋝', '⋞', '⋟',
-        '⋠', '⋡', '⋢', '⋣', '⋤', '⋥', '⋦', '⋧', '⋨', '⋩', '⩹', '⩺', '⩻',
-        '⩼', '⩽', '⩾', '⩿', '⪀', '⪁', '⪂', '⪃', '⪄', '⪅', '⪆', '⪇', '⪈',
-        '⪉', '⪊', '⪋', '⪌', '⪍', '⪎', '⪏', '⪐', '⪑', '⪒', '⪓', '⪔', '⪕',
-        '⪖', '⪗', '⪘', '⪙', '⪚', '⪛', '⪜', '⪝', '⪞', '⪟', '⪠', '⪡', '⪢',
-        '⪣', '⪤', '⪥', '⪦', '⪧', '⪨', '⪩', '⪪', '⪫', '⪬', '⪭', '⪮', '⪯',
-        '⪰', '⪱', '⪲', '⪳', '⪴', '⪵', '⪶', '⪷', '⪸', '⪹', '⪺', '⪻', '⪼',
-        '⫷', '⫸', '⫹', '⫺', '⧀', '⧁', '﹤', '﹥', '＜', '＞'
-      ];
+  this.inequalities = [
+    '<', '>', '≁', '≂', '≄', '≆', '≇', '≉', '≏', '≐', '≠',  '≢',  '≤',  '≥',
+    '≦', '≧', '≨', '≩', '≪', '≫', '≬', '≭', '≮', '≯', '≰',  '≱',  '≲',  '≳',
+    '≴', '≵', '≶', '≷', '≸', '≹', '≺', '≻', '≼', '≽', '≾',  '≿',  '⊀',  '⊁',
+    '⋖', '⋗', '⋘', '⋙', '⋚', '⋛', '⋜', '⋝', '⋞', '⋟', '⋠',  '⋡',  '⋢',  '⋣',
+    '⋤', '⋥', '⋦', '⋧', '⋨', '⋩', '⩹', '⩺', '⩻', '⩼', '⩽',  '⩾',  '⩿',  '⪀',
+    '⪁', '⪂', '⪃', '⪄', '⪅', '⪆', '⪇', '⪈', '⪉', '⪊', '⪋',  '⪌',  '⪍',  '⪎',
+    '⪏', '⪐', '⪑', '⪒', '⪓', '⪔', '⪕', '⪖', '⪗', '⪘', '⪙',  '⪚',  '⪛',  '⪜',
+    '⪝', '⪞', '⪟', '⪠', '⪡', '⪢', '⪣', '⪤', '⪥', '⪦', '⪧',  '⪨',  '⪩',  '⪪',
+    '⪫', '⪬', '⪭', '⪮', '⪯', '⪰', '⪱', '⪲', '⪳', '⪴', '⪵',  '⪶',  '⪷',  '⪸',
+    '⪹', '⪺', '⪻', '⪼', '⫷', '⫸', '⫹', '⫺', '⧀', '⧁', '﹤', '﹥', '＜', '＞'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.relations =
-      [
-            // TODO (sorge): Add all the other relations.
-      ];
+  this.relations = [
+    // TODO (sorge): Add all the other relations.
+  ];
   /**
    * @type {Array<string>}
    */
-  this.arrows =
-      [
-        '←', '↑', '→', '↓', '↔', '↕', '↖', '↗', '↘', '↙', '↚', '↛', '↜',
-        '↝', '↞', '↟', '↠', '↡', '↢', '↣', '↤', '↥', '↦', '↧', '↨', '↩',
-        '↪', '↫', '↬', '↭', '↮', '↯', '↰', '↱', '↲', '↳', '↴', '↵', '↶',
-        '↷', '↸', '↹', '↺', '↻', '⇄', '⇅', '⇆', '⇇', '⇈', '⇉', '⇊', '⇍',
-        '⇎', '⇏', '⇐', '⇑', '⇒', '⇓', '⇔', '⇕', '⇖', '⇗', '⇘', '⇙', '⇚',
-        '⇛', '⇜', '⇝', '⇞', '⇟', '⇠', '⇡', '⇢', '⇣', '⇤', '⇥', '⇦', '⇧',
-        '⇨', '⇩', '⇪', '⇫', '⇬', '⇭', '⇮', '⇯', '⇰', '⇱', '⇲', '⇳', '⇴',
-        '⇵', '⇶', '⇷', '⇸', '⇹', '⇺', '⇻', '⇼', '⇽', '⇾', '⇿', '⌁', '⌃',
-        '⌄', '⌤', '⎋', '➔', '➘', '➙', '➚', '➛', '➜', '➝', '➞', '➟', '➠',
-        '➡', '➢', '➣', '➤', '➥', '➦', '➧', '➨', '➩', '➪', '➫', '➬', '➭',
-        '➮', '➯', '➱', '➲', '➳', '➴', '➵', '➶', '➷', '➸', '➹', '➺', '➻',
-        '➼', '➽', '➾', '⟰', '⟱', '⟲', '⟳', '⟴', '⟵', '⟶', '⟷', '⟸', '⟹',
-        '⟺', '⟻', '⟼', '⟽', '⟾', '⟿', '⤀', '⤁', '⤂', '⤃', '⤄', '⤅', '⤆',
-        '⤇', '⤈', '⤉', '⤊', '⤋', '⤌', '⤍', '⤎', '⤏', '⤐', '⤑', '⤒', '⤓',
-        '⤔', '⤕', '⤖', '⤗', '⤘', '⤙', '⤚', '⤛', '⤜', '⤝', '⤞', '⤟', '⤠',
-        '⤡', '⤢', '⤣', '⤤', '⤥', '⤦', '⤧', '⤨', '⤩', '⤪', '⤭', '⤮', '⤯',
-        '⤰', '⤱', '⤲', '⤳', '⤴', '⤵', '⤶', '⤷', '⤸', '⤹', '⤺', '⤻', '⤼',
-        '⤽', '⤾', '⤿', '⥀', '⥁', '⥂', '⥃', '⥄', '⥅', '⥆', '⥇', '⥈', '⥉',
-        '⥰', '⥱', '⥲', '⥳', '⥴', '⥵', '⥶', '⥷', '⥸', '⥹', '⥺', '⥻', '⦳',
-        '⦴', '⦽', '⧪', '⧬', '⧭', '⨗', '⬀', '⬁', '⬂', '⬃', '⬄', '⬅', '⬆',
-        '⬇', '⬈', '⬉', '⬊', '⬋', '⬌', '⬍', '⬎', '⬏', '⬐', '⬑', '⬰', '⬱',
-        '⬲', '⬳', '⬴', '⬵', '⬶', '⬷', '⬸', '⬹', '⬺', '⬻', '⬼', '⬽', '⬾',
-        '⬿', '⭀', '⭁', '⭂', '⭃', '⭄', '⭅', '⭆', '⭇', '⭈', '⭉', '⭊', '⭋',
-        '⭌', '￩', '￪', '￫', '￬',
-        // Harpoons
-        '↼', '↽', '↾', '↿', '⇀', '⇁', '⇂', '⇃', '⇋', '⇌', '⥊', '⥋', '⥌',
-        '⥍', '⥎', '⥏', '⥐', '⥑', '⥒', '⥓', '⥔', '⥕', '⥖', '⥗', '⥘', '⥙',
-        '⥚', '⥛', '⥜', '⥝', '⥞', '⥟', '⥠', '⥡', '⥢', '⥣', '⥤', '⥥', '⥦',
-        '⥧', '⥨', '⥩', '⥪', '⥫', '⥬', '⥭', '⥮', '⥯', '⥼', '⥽', '⥾', '⥿'
-      ];
+  this.arrows = [
+    '←', '↑', '→', '↓', '↔', '↕', '↖', '↗', '↘', '↙', '↚', '↛', '↜', '↝', '↞',
+    '↟', '↠', '↡', '↢', '↣', '↤', '↥', '↦', '↧', '↨', '↩', '↪', '↫', '↬', '↭',
+    '↮', '↯', '↰', '↱', '↲', '↳', '↴', '↵', '↶', '↷', '↸', '↹', '↺', '↻', '⇄',
+    '⇅', '⇆', '⇇', '⇈', '⇉', '⇊', '⇍', '⇎', '⇏', '⇐', '⇑', '⇒', '⇓', '⇔', '⇕',
+    '⇖', '⇗', '⇘', '⇙', '⇚', '⇛', '⇜', '⇝', '⇞', '⇟', '⇠', '⇡', '⇢', '⇣', '⇤',
+    '⇥', '⇦', '⇧', '⇨', '⇩', '⇪', '⇫', '⇬', '⇭', '⇮', '⇯', '⇰', '⇱', '⇲', '⇳',
+    '⇴', '⇵', '⇶', '⇷', '⇸', '⇹', '⇺', '⇻', '⇼', '⇽', '⇾', '⇿', '⌁', '⌃', '⌄',
+    '⌤', '⎋', '➔', '➘', '➙', '➚', '➛', '➜', '➝', '➞', '➟', '➠', '➡', '➢', '➣',
+    '➤', '➥', '➦', '➧', '➨', '➩', '➪', '➫', '➬', '➭', '➮', '➯', '➱', '➲', '➳',
+    '➴', '➵', '➶', '➷', '➸', '➹', '➺', '➻', '➼', '➽', '➾', '⟰', '⟱', '⟲', '⟳',
+    '⟴', '⟵', '⟶', '⟷', '⟸', '⟹', '⟺', '⟻', '⟼', '⟽', '⟾', '⟿', '⤀', '⤁', '⤂',
+    '⤃', '⤄', '⤅', '⤆', '⤇', '⤈', '⤉', '⤊', '⤋', '⤌', '⤍', '⤎', '⤏', '⤐', '⤑',
+    '⤒', '⤓', '⤔', '⤕', '⤖', '⤗', '⤘', '⤙', '⤚', '⤛', '⤜', '⤝', '⤞', '⤟', '⤠',
+    '⤡', '⤢', '⤣', '⤤', '⤥', '⤦', '⤧', '⤨', '⤩', '⤪', '⤭', '⤮', '⤯', '⤰', '⤱',
+    '⤲', '⤳', '⤴', '⤵', '⤶', '⤷', '⤸', '⤹', '⤺', '⤻', '⤼', '⤽', '⤾', '⤿', '⥀',
+    '⥁', '⥂', '⥃', '⥄', '⥅', '⥆', '⥇', '⥈', '⥉', '⥰', '⥱', '⥲', '⥳', '⥴', '⥵',
+    '⥶', '⥷', '⥸', '⥹', '⥺', '⥻', '⦳', '⦴', '⦽', '⧪', '⧬', '⧭', '⨗', '⬀', '⬁',
+    '⬂', '⬃', '⬄', '⬅', '⬆', '⬇', '⬈', '⬉', '⬊', '⬋', '⬌', '⬍', '⬎', '⬏', '⬐',
+    '⬑', '⬰', '⬱', '⬲', '⬳', '⬴', '⬵', '⬶', '⬷', '⬸', '⬹', '⬺', '⬻', '⬼', '⬽',
+    '⬾', '⬿', '⭀', '⭁', '⭂', '⭃', '⭄', '⭅', '⭆', '⭇', '⭈', '⭉', '⭊', '⭋', '⭌',
+    '￩', '￪', '￫', '￬',
+    // Harpoons
+    '↼', '↽', '↾', '↿', '⇀', '⇁', '⇂', '⇃', '⇋', '⇌', '⥊', '⥋', '⥌', '⥍', '⥎',
+    '⥏', '⥐', '⥑', '⥒', '⥓', '⥔', '⥕', '⥖', '⥗', '⥘', '⥙', '⥚', '⥛', '⥜', '⥝',
+    '⥞', '⥟', '⥠', '⥡', '⥢', '⥣', '⥤', '⥥', '⥦', '⥧', '⥨', '⥩', '⥪', '⥫', '⥬',
+    '⥭', '⥮', '⥯', '⥼', '⥽', '⥾', '⥿'
+  ];
 
-  //Big operation symbols
+  // Big operation symbols
   /**
    * @type {Array<string>}
    */
-  this.sumOps =
-      [
-        '⅀', // double struck
-        '∏', '∐', '∑', '⋀', '⋁', '⋂', '⋃', '⨀', '⨁', '⨂', '⨃', '⨄', '⨅',
-        '⨆', '⨇', '⨈', '⨉', '⨊', '⨋', '⫼', '⫿'
-        ];
+  this.sumOps = [
+    '⅀',  // double struck
+    '∏', '∐', '∑', '⋀', '⋁', '⋂', '⋃', '⨀', '⨁', '⨂', '⨃',
+    '⨄', '⨅', '⨆', '⨇', '⨈', '⨉', '⨊', '⨋', '⫼', '⫿'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.intOps =
-      [
-        '∫', '∬', '∭', '∮', '∯', '∰', '∱', '∲', '∳', '⨌', '⨍', '⨎', '⨏',
-        '⨐', '⨑', '⨒', '⨓', '⨔', '⨕', '⨖', '⨗', '⨘', '⨙', '⨚', '⨛', '⨜'
-      ];
+  this.intOps = [
+    '∫', '∬', '∭', '∮', '∯', '∰', '∱', '∲', '∳', '⨌', '⨍', '⨎', '⨏',
+    '⨐', '⨑', '⨒', '⨓', '⨔', '⨕', '⨖', '⨗', '⨘', '⨙', '⨚', '⨛', '⨜'
+  ];
   /**
    * @type {Array<string>}
    */
   this.prefixOps =
       // TODO (sorge) Insert nabla, differential operators etc.
-      [
-        '∀', '∃'
-      ];
+      ['∀', '∃'];
   /**
    * @type {Array<string>}
    */
   this.operatorBits =
       // TODO (sorge) What to do if single glyphs of big ops occur on their own.
-      [
-        '⌠', '⌡', '⎶', '⎪', '⎮', '⎯', '⎲', '⎳', '⎷'
-      ];
+      ['⌠', '⌡', '⎶', '⎪', '⎮', '⎯', '⎲', '⎳', '⎷'];
 
   // Accents.
   // TODO (sorge) Add accented characters.
 
   // Numbers.
   // Digits.
   /**
    * @type {Array<string>}
    */
-  this.digitsNormal =
-      [
-        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
-        ];
+  this.digitsNormal = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
   /**
    * @type {Array<string>}
    */
   this.digitsFullWidth =
-      [
-        '０', '１', '２', '３', '４', '５', '６', '７', '８', '９'
-      ];
+      ['０', '１', '２', '３', '４', '５', '６', '７', '８', '９'];
   /**
    * @type {Array<string>}
    */
-  this.digitsBold =
-      [
-        '𝟎', '𝟏', '𝟐', '𝟑', '𝟒', '𝟓', '𝟔', '𝟕', '𝟖', '𝟗'
-        ];
+  this.digitsBold = ['𝟎', '𝟏', '𝟐', '𝟑', '𝟒', '𝟓', '𝟔', '𝟕', '𝟖', '𝟗'];
   /**
    * @type {Array<string>}
    */
-  this.digitsDoubleStruck =
-      [
-        '𝟘', '𝟙', '𝟚', '𝟛', '𝟜', '𝟝', '𝟞', '𝟟', '𝟠', '𝟡'
-        ];
+  this.digitsDoubleStruck = ['𝟘', '𝟙', '𝟚', '𝟛', '𝟜', '𝟝', '𝟞', '𝟟', '𝟠', '𝟡'];
   /**
    * @type {Array<string>}
    */
-  this.digitsSansSerif =
-      [
-        '𝟢', '𝟣', '𝟤', '𝟥', '𝟦', '𝟧', '𝟨', '𝟩', '𝟪', '𝟫'
-        ];
+  this.digitsSansSerif = ['𝟢', '𝟣', '𝟤', '𝟥', '𝟦', '𝟧', '𝟨', '𝟩', '𝟪', '𝟫'];
   /**
    * @type {Array<string>}
    */
-  this.digitsSansSerifBold =
-      [
-        '𝟬', '𝟭', '𝟮', '𝟯', '𝟰', '𝟱', '𝟲', '𝟳', '𝟴', '𝟵'
-        ];
+  this.digitsSansSerifBold = ['𝟬', '𝟭', '𝟮', '𝟯', '𝟰', '𝟱', '𝟲', '𝟳', '𝟴', '𝟵'];
   /**
    * @type {Array<string>}
    */
-  this.digitsMonospace =
-      [
-        '𝟶', '𝟷', '𝟸', '𝟹', '𝟺', '𝟻', '𝟼', '𝟽', '𝟾', '𝟿'
-        ];
+  this.digitsMonospace = ['𝟶', '𝟷', '𝟸', '𝟹', '𝟺', '𝟻', '𝟼', '𝟽', '𝟾', '𝟿'];
   /**
    * @type {Array<string>}
    */
-  this.digitsSuperscript =
-      [
-        '²', '³', '¹', '⁰', '⁴', '⁵', '⁶', '⁷', '⁸', '⁹'
-        ];
+  this.digitsSuperscript = ['²', '³', '¹', '⁰', '⁴', '⁵', '⁶', '⁷', '⁸', '⁹'];
   /**
    * @type {Array<string>}
    */
-  this.digitsSubscript =
-      [
-        '₀', '₁', '₂', '₃', '₄', '₅', '₆', '₇', '₈', '₉'
-        ];
+  this.digitsSubscript = ['₀', '₁', '₂', '₃', '₄', '₅', '₆', '₇', '₈', '₉'];
   /**
    * @type {Array<string>}
    */
-  this.fractions =
-      [
-        '¼', '½', '¾', '⅐', '⅑', '⅒', '⅓', '⅔', '⅕', '⅖', '⅗', '⅘', '⅙',
-        '⅚', '⅛', '⅜', '⅝', '⅞', '⅟', '↉'
-      ];
+  this.fractions = [
+    '¼', '½', '¾', '⅐', '⅑', '⅒', '⅓', '⅔', '⅕', '⅖',
+    '⅗', '⅘', '⅙', '⅚', '⅛', '⅜', '⅝', '⅞', '⅟', '↉'
+  ];
   /**
    * @type {Array<string>}
    */
   this.enclosedNumbers =
       // Encircled numbers.
       [
-        '①', '②', '③', '④', '⑤', '⑥', '⑦', '⑧', '⑨', '⑩', '⑪', '⑫', '⑬',
-        '⑭', '⑮', '⑯', '⑰', '⑱', '⑲', '⑳', '⓪', '⓫', '⓬', '⓭', '⓮', '⓯',
-        '⓰', '⓱', '⓲', '⓳', '⓴', '⓵', '⓶', '⓷', '⓸', '⓹', '⓺', '⓻', '⓼',
-        '⓽', '⓾', '⓿', '❶', '❷', '❸', '❹', '❺', '❻', '❼', '❽', '❾', '❿',
-        '➀', '➁', '➂', '➃', '➄', '➅', '➆', '➇', '➈', '➉', '➊', '➋', '➌',
-        '➍', '➎', '➏', '➐', '➑', '➒', '➓', '㉈', '㉉', '㉊', '㉋', '㉌',
+        '①',  '②',  '③',  '④',  '⑤',  '⑥',  '⑦',  '⑧',  '⑨',  '⑩',  '⑪',
+        '⑫',  '⑬',  '⑭',  '⑮',  '⑯',  '⑰',  '⑱',  '⑲',  '⑳',  '⓪',  '⓫',
+        '⓬',  '⓭',  '⓮',  '⓯',  '⓰',  '⓱',  '⓲',  '⓳',  '⓴',  '⓵',  '⓶',
+        '⓷',  '⓸',  '⓹',  '⓺',  '⓻',  '⓼',  '⓽',  '⓾',  '⓿',  '❶',  '❷',
+        '❸',  '❹',  '❺',  '❻',  '❼',  '❽',  '❾',  '❿',  '➀',  '➁',  '➂',
+        '➃',  '➄',  '➅',  '➆',  '➇',  '➈',  '➉',  '➊',  '➋',  '➌',  '➍',
+        '➎',  '➏',  '➐',  '➑',  '➒',  '➓',  '㉈', '㉉', '㉊', '㉋', '㉌',
         '㉍', '㉎', '㉏', '㉑', '㉒', '㉓', '㉔', '㉕', '㉖', '㉗', '㉘',
         '㉙', '㉚', '㉛', '㉜', '㉝', '㉞', '㉟', '㊱', '㊲', '㊳', '㊴',
-        '㊵', '㊶', '㊷', '㊸', '㊹', '㊺', '㊻', '㊼', '㊽', '㊾', '㊿'];
+        '㊵', '㊶', '㊷', '㊸', '㊹', '㊺', '㊻', '㊼', '㊽', '㊾', '㊿'
+      ];
   /**
    * @type {Array<string>}
    */
   this.fencedNumbers =
       // Numbers in Parenthesis.
       [
-        '⑴', '⑵', '⑶', '⑷', '⑸', '⑹', '⑺', '⑻', '⑼', '⑽', '⑾', '⑿', '⒀',
-        '⒁', '⒂', '⒃', '⒄', '⒅', '⒆', '⒇'
+        '⑴', '⑵', '⑶', '⑷', '⑸', '⑹', '⑺', '⑻', '⑼', '⑽',
+        '⑾', '⑿', '⒀', '⒁', '⒂', '⒃', '⒄', '⒅', '⒆', '⒇'
       ];
   /**
    * @type {Array<string>}
    */
   this.punctuatedNumbers =
       // Numbers with other punctuation.
-      ['⒈', '⒉', '⒊', '⒋', '⒌', '⒍', '⒎', '⒏', '⒐', '⒑', '⒒', '⒓', '⒔',
-       '⒕', '⒖', '⒗', '⒘', '⒙', '⒚', '⒛', // full stop.
-       '🄀', '🄁', '🄂', '🄃', '🄄', '🄅', '🄆', '🄇', '🄈', '🄉', '🄊' // comma.
+      [
+        '⒈', '⒉', '⒊', '⒋', '⒌', '⒍', '⒎', '⒏', '⒐', '⒑', '⒒',
+        '⒓', '⒔', '⒕', '⒖', '⒗', '⒘', '⒙', '⒚', '⒛',           // full stop.
+        '🄀', '🄁', '🄂', '🄃', '🄄', '🄅', '🄆', '🄇', '🄈', '🄉', '🄊'  // comma.
       ];
   /** Array of all single digits.
    * @type {Array<string>}
    */
   this.digits = this.digitsNormal.concat(
       this.digitsFullWidth, this.digitsBold, this.digitsDoubleStruck,
       this.digitsSansSerif, this.digitsSansSerifBold, this.digitsMonospace);
   /** Array of all non-digit number symbols.
    * @type {Array<string>}
    */
   this.numbers = this.fractions.concat(
-      this.digitsSuperscript, this.digitsSubscript,
-      this.enclosedNumbers, this.fencedNumbers, this.punctuatedNumbers);
+      this.digitsSuperscript, this.digitsSubscript, this.enclosedNumbers,
+      this.fencedNumbers, this.punctuatedNumbers);
   /** Array of all number symbols.
    * @type {Array<string>}
    */
   this.allNumbers = this.digits.concat(this.numbers);
 
   // Functions.
   /**
    * @type {Array<string>}
    */
-  this.trigonometricFunctions =
-      [
-        'cos', 'cot', 'csc', 'sec', 'sin', 'tan', 'arccos', 'arccot',
-        'arccsc', 'arcsec', 'arcsin', 'arctan'
-      ];
+  this.trigonometricFunctions = [
+    'cos', 'cot', 'csc', 'sec', 'sin', 'tan', 'arccos', 'arccot', 'arccsc',
+    'arcsec', 'arcsin', 'arctan'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.hyperbolicFunctions =
-      [
-        'cosh', 'coth', 'csch', 'sech', 'sinh', 'tanh',
-        'arcosh', 'arcoth', 'arcsch', 'arsech', 'arsinh', 'artanh',
-        'arccosh', 'arccoth', 'arccsch', 'arcsech', 'arcsinh', 'arctanh'
-      ];
+  this.hyperbolicFunctions = [
+    'cosh', 'coth', 'csch', 'sech', 'sinh', 'tanh', 'arcosh', 'arcoth',
+    'arcsch', 'arsech', 'arsinh', 'artanh', 'arccosh', 'arccoth', 'arccsch',
+    'arcsech', 'arcsinh', 'arctanh'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.algebraicFunctions =
-      [
-        'deg', 'det', 'dim', 'hom', 'ker', 'Tr', 'tr'
-      ];
+  this.algebraicFunctions = ['deg', 'det', 'dim', 'hom', 'ker', 'Tr', 'tr'];
   /**
    * @type {Array<string>}
    */
   this.elementaryFunctions =
-      [
-        'log', 'ln', 'lg', 'exp', 'expt', 'gcd', 'gcd', 'arg', 'im', 're', 'Pr'
-      ];
+      ['log', 'ln', 'lg', 'exp', 'expt', 'gcd', 'gcd', 'arg', 'im', 're', 'Pr'];
   /** All predefined prefix functions.
    * @type {Array<string>}
    */
   this.prefixFunctions = this.trigonometricFunctions.concat(
-      this.hyperbolicFunctions,
-      this.algebraicFunctions,
-      this.elementaryFunctions
-      );
+      this.hyperbolicFunctions, this.algebraicFunctions,
+      this.elementaryFunctions);
   /** Limit functions are handled separately as they can have lower (and upper)
    * limiting expressions.
    * @type {Array<string>}
    */
-  this.limitFunctions =
-      [
-        'inf', 'lim', 'liminf', 'limsup', 'max', 'min', 'sup', 'injlim',
-        'projlim'
-      ];
+  this.limitFunctions = [
+    'inf', 'lim', 'liminf', 'limsup', 'max', 'min', 'sup', 'injlim', 'projlim'
+  ];
   /**
    * @type {Array<string>}
    */
-  this.infixFunctions =
-      [
-        'mod', 'rem'
-      ];
+  this.infixFunctions = ['mod', 'rem'];
   /**
    * Default assignments of semantic attributes.
    * @type  {Array<{set: Array<string>,
    *         role: cvox.SemanticAttr.Role,
    *         type: cvox.SemanticAttr.Type,
    *         font: cvox.SemanticAttr.Font}>} The semantic meaning of the symbol.
    * @private
    */
   this.symbolSetToSemantic_ = [
     // Punctuation
-    {set: this.generalPunctuations,
-     type: cvox.SemanticAttr.Type.PUNCTUATION,
-     role: cvox.SemanticAttr.Role.UNKNOWN
-    },
-    {set: this.ellipses,
-     type: cvox.SemanticAttr.Type.PUNCTUATION,
-     role: cvox.SemanticAttr.Role.ELLIPSIS
-    },
-    {set: this.fullStops,
-     type: cvox.SemanticAttr.Type.PUNCTUATION,
-     role: cvox.SemanticAttr.Role.FULLSTOP
-    },
-    {set: this.dashes,
-     type: cvox.SemanticAttr.Type.PUNCTUATION,
-     role: cvox.SemanticAttr.Role.DASH
-    },
-    {set: this.primes,
-     type: cvox.SemanticAttr.Type.PUNCTUATION,
-     role: cvox.SemanticAttr.Role.PRIME
+    {
+      set: this.generalPunctuations,
+      type: cvox.SemanticAttr.Type.PUNCTUATION,
+      role: cvox.SemanticAttr.Role.UNKNOWN
+    },
+    {
+      set: this.ellipses,
+      type: cvox.SemanticAttr.Type.PUNCTUATION,
+      role: cvox.SemanticAttr.Role.ELLIPSIS
+    },
+    {
+      set: this.fullStops,
+      type: cvox.SemanticAttr.Type.PUNCTUATION,
+      role: cvox.SemanticAttr.Role.FULLSTOP
+    },
+    {
+      set: this.dashes,
+      type: cvox.SemanticAttr.Type.PUNCTUATION,
+      role: cvox.SemanticAttr.Role.DASH
+    },
+    {
+      set: this.primes,
+      type: cvox.SemanticAttr.Type.PUNCTUATION,
+      role: cvox.SemanticAttr.Role.PRIME
     },
     // Fences
-    {set: this.leftFences,
-     type: cvox.SemanticAttr.Type.FENCE,
-     role: cvox.SemanticAttr.Role.OPEN
-    },
-    {set: this.rightFences,
-     type: cvox.SemanticAttr.Type.FENCE,
-     role: cvox.SemanticAttr.Role.CLOSE
-    },
-    {set: this.topFences,
-     type: cvox.SemanticAttr.Type.FENCE,
-     role: cvox.SemanticAttr.Role.TOP
-    },
-    {set: this.bottomFences,
-     type: cvox.SemanticAttr.Type.FENCE,
-     role: cvox.SemanticAttr.Role.BOTTOM
-    },
-    {set: this.neutralFences,
-     type: cvox.SemanticAttr.Type.FENCE,
-     role: cvox.SemanticAttr.Role.NEUTRAL
+    {
+      set: this.leftFences,
+      type: cvox.SemanticAttr.Type.FENCE,
+      role: cvox.SemanticAttr.Role.OPEN
+    },
+    {
+      set: this.rightFences,
+      type: cvox.SemanticAttr.Type.FENCE,
+      role: cvox.SemanticAttr.Role.CLOSE
+    },
+    {
+      set: this.topFences,
+      type: cvox.SemanticAttr.Type.FENCE,
+      role: cvox.SemanticAttr.Role.TOP
+    },
+    {
+      set: this.bottomFences,
+      type: cvox.SemanticAttr.Type.FENCE,
+      role: cvox.SemanticAttr.Role.BOTTOM
+    },
+    {
+      set: this.neutralFences,
+      type: cvox.SemanticAttr.Type.FENCE,
+      role: cvox.SemanticAttr.Role.NEUTRAL
     },
     // Single characters.
     // Latin alphabets.
-    {set: this.smallLatin,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.capitalLatin,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.smallLatinFullWidth,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.capitalLatinFullWidth,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.smallLatinBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.BOLD
-    },
-    {set: this.capitalLatinBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.BOLD
-    },
-    {set: this.smallLatinItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.ITALIC
-    },
-    {set: this.capitalLatinItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.ITALIC
-    },
-    {set: this.smallLatinScript,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SCRIPT
-    },
-    {set: this.capitalLatinScript,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SCRIPT
-    },
-    {set: this.smallLatinBoldScript,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.BOLDSCRIPT
-    },
-    {set: this.capitalLatinBoldScript,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.BOLDSCRIPT
-    },
-    {set: this.smallLatinFraktur,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.FRAKTUR
-    },
-    {set: this.capitalLatinFraktur,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.FRAKTUR
-    },
-    {set: this.smallLatinDoubleStruck,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.DOUBLESTRUCK
-    },
-    {set: this.capitalLatinDoubleStruck,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.DOUBLESTRUCK
-    },
-    {set: this.smallLatinBoldFraktur,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.BOLDFRAKTUR
-    },
-    {set: this.capitalLatinBoldFraktur,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.BOLDFRAKTUR
-    },
-    {set: this.smallLatinSansSerif,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIF
-    },
-    {set: this.capitalLatinSansSerif,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIF
-    },
-    {set: this.smallLatinSansSerifBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIFBOLD
-    },
-    {set: this.capitalLatinSansSerifBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIFBOLD
-    },
-    {set: this.smallLatinSansSerifItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIFITALIC
-    },
-    {set: this.capitalLatinSansSerifItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIFITALIC
-    },
-    {set: this.smallLatinMonospace,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.MONOSPACE
-    },
-    {set: this.capitalLatinMonospace,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.MONOSPACE
-    },
-    {set: this.latinDoubleStruckItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.LATINLETTER,
-     font: cvox.SemanticAttr.Font.DOUBLESTRUCKITALIC
+    {
+      set: this.smallLatin,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.capitalLatin,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.smallLatinFullWidth,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.capitalLatinFullWidth,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.smallLatinBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.BOLD
+    },
+    {
+      set: this.capitalLatinBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.BOLD
+    },
+    {
+      set: this.smallLatinItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.ITALIC
+    },
+    {
+      set: this.capitalLatinItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.ITALIC
+    },
+    {
+      set: this.smallLatinScript,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SCRIPT
+    },
+    {
+      set: this.capitalLatinScript,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SCRIPT
+    },
+    {
+      set: this.smallLatinBoldScript,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.BOLDSCRIPT
+    },
+    {
+      set: this.capitalLatinBoldScript,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.BOLDSCRIPT
+    },
+    {
+      set: this.smallLatinFraktur,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.FRAKTUR
+    },
+    {
+      set: this.capitalLatinFraktur,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.FRAKTUR
+    },
+    {
+      set: this.smallLatinDoubleStruck,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.DOUBLESTRUCK
+    },
+    {
+      set: this.capitalLatinDoubleStruck,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.DOUBLESTRUCK
+    },
+    {
+      set: this.smallLatinBoldFraktur,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.BOLDFRAKTUR
+    },
+    {
+      set: this.capitalLatinBoldFraktur,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.BOLDFRAKTUR
+    },
+    {
+      set: this.smallLatinSansSerif,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIF
+    },
+    {
+      set: this.capitalLatinSansSerif,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIF
+    },
+    {
+      set: this.smallLatinSansSerifBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIFBOLD
+    },
+    {
+      set: this.capitalLatinSansSerifBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIFBOLD
+    },
+    {
+      set: this.smallLatinSansSerifItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIFITALIC
+    },
+    {
+      set: this.capitalLatinSansSerifItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIFITALIC
+    },
+    {
+      set: this.smallLatinMonospace,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.MONOSPACE
+    },
+    {
+      set: this.capitalLatinMonospace,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.MONOSPACE
+    },
+    {
+      set: this.latinDoubleStruckItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.LATINLETTER,
+      font: cvox.SemanticAttr.Font.DOUBLESTRUCKITALIC
     },
     // Greek alphabets.
-    {set: this.smallGreek,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.capitalGreek,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.smallGreekBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.BOLD
-    },
-    {set: this.capitalGreekBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.BOLD
-    },
-    {set: this.smallGreekItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.ITALIC
-    },
-    {set: this.capitalGreekItalic,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.ITALIC
-    },
-    {set: this.smallGreekSansSerifBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIFBOLD
-    },
-    {set: this.capitalGreekSansSerifBold,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.SANSSERIFBOLD
-    },
-    {set: this.greekDoubleStruck,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.GREEKLETTER,
-     font: cvox.SemanticAttr.Font.DOUBLESTRUCK
+    {
+      set: this.smallGreek,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.capitalGreek,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.smallGreekBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.BOLD
+    },
+    {
+      set: this.capitalGreekBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.BOLD
+    },
+    {
+      set: this.smallGreekItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.ITALIC
+    },
+    {
+      set: this.capitalGreekItalic,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.ITALIC
+    },
+    {
+      set: this.smallGreekSansSerifBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIFBOLD
+    },
+    {
+      set: this.capitalGreekSansSerifBold,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.SANSSERIFBOLD
+    },
+    {
+      set: this.greekDoubleStruck,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.GREEKLETTER,
+      font: cvox.SemanticAttr.Font.DOUBLESTRUCK
     },
     // Other alphabets.
-    {set: this.hebrewLetters,
-     type: cvox.SemanticAttr.Type.IDENTIFIER,
-     role: cvox.SemanticAttr.Role.OTHERLETTER,
-     font: cvox.SemanticAttr.Font.NORMAL
+    {
+      set: this.hebrewLetters,
+      type: cvox.SemanticAttr.Type.IDENTIFIER,
+      role: cvox.SemanticAttr.Role.OTHERLETTER,
+      font: cvox.SemanticAttr.Font.NORMAL
     },
     // Numbers.
-    {set: this.digitsNormal,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.digitsFullWidth,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.NORMAL
-    },
-    {set: this.digitsBold,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.BOLD
-    },
-    {set: this.digitsDoubleStruck,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.DOUBLESTRUCK
-    },
-    {set: this.digitsSansSerif,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.SANSSERIF
-    },
-    {set: this.digitsSansSerifBold,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.SANSSERIFBOLD
-    },
-    {set: this.digitsMonospace,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER,
-     font: cvox.SemanticAttr.Font.MONOSPACE
-    },
-   {set: this.numbers,
-     type: cvox.SemanticAttr.Type.NUMBER,
-     role: cvox.SemanticAttr.Role.INTEGER
+    {
+      set: this.digitsNormal,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.digitsFullWidth,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.NORMAL
+    },
+    {
+      set: this.digitsBold,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.BOLD
+    },
+    {
+      set: this.digitsDoubleStruck,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.DOUBLESTRUCK
+    },
+    {
+      set: this.digitsSansSerif,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.SANSSERIF
+    },
+    {
+      set: this.digitsSansSerifBold,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.SANSSERIFBOLD
+    },
+    {
+      set: this.digitsMonospace,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER,
+      font: cvox.SemanticAttr.Font.MONOSPACE
+    },
+    {
+      set: this.numbers,
+      type: cvox.SemanticAttr.Type.NUMBER,
+      role: cvox.SemanticAttr.Role.INTEGER
     },
     // Operators.
-    {set: this.additions,
-     type: cvox.SemanticAttr.Type.OPERATOR,
-     role: cvox.SemanticAttr.Role.ADDITION
-    },
-    {set: this.multiplications,
-     type: cvox.SemanticAttr.Type.OPERATOR,
-     role: cvox.SemanticAttr.Role.MULTIPLICATION
-    },
-    {set: this.subtractions,
-     type: cvox.SemanticAttr.Type.OPERATOR,
-     role: cvox.SemanticAttr.Role.SUBTRACTION
-    },
-    {set: this.divisions,
-     type: cvox.SemanticAttr.Type.OPERATOR,
-     role: cvox.SemanticAttr.Role.DIVISION
-    },
-    {set: this.prefixOps,
-     type: cvox.SemanticAttr.Type.PREFIXOP,
-     role: cvox.SemanticAttr.Role.PREFIXFUNC
+    {
+      set: this.additions,
+      type: cvox.SemanticAttr.Type.OPERATOR,
+      role: cvox.SemanticAttr.Role.ADDITION
+    },
+    {
+      set: this.multiplications,
+      type: cvox.SemanticAttr.Type.OPERATOR,
+      role: cvox.SemanticAttr.Role.MULTIPLICATION
+    },
+    {
+      set: this.subtractions,
+      type: cvox.SemanticAttr.Type.OPERATOR,
+      role: cvox.SemanticAttr.Role.SUBTRACTION
+    },
+    {
+      set: this.divisions,
+      type: cvox.SemanticAttr.Type.OPERATOR,
+      role: cvox.SemanticAttr.Role.DIVISION
+    },
+    {
+      set: this.prefixOps,
+      type: cvox.SemanticAttr.Type.PREFIXOP,
+      role: cvox.SemanticAttr.Role.PREFIXFUNC
     },
     // Relations
-    {set: this.equalities,
-     type: cvox.SemanticAttr.Type.RELATION,
-     role: cvox.SemanticAttr.Role.EQUALITY
-    },
-    {set: this.inequalities,
-     type: cvox.SemanticAttr.Type.RELATION,
-     role: cvox.SemanticAttr.Role.INEQUALITY
-    },
-    {set: this.relations,
-     type: cvox.SemanticAttr.Type.RELATION,
-     role: cvox.SemanticAttr.Role.UNKNOWN
-    },
-    {set: this.arrows,
-     type: cvox.SemanticAttr.Type.RELATION,
-     role: cvox.SemanticAttr.Role.ARROW
+    {
+      set: this.equalities,
+      type: cvox.SemanticAttr.Type.RELATION,
+      role: cvox.SemanticAttr.Role.EQUALITY
+    },
+    {
+      set: this.inequalities,
+      type: cvox.SemanticAttr.Type.RELATION,
+      role: cvox.SemanticAttr.Role.INEQUALITY
+    },
+    {
+      set: this.relations,
+      type: cvox.SemanticAttr.Type.RELATION,
+      role: cvox.SemanticAttr.Role.UNKNOWN
+    },
+    {
+      set: this.arrows,
+      type: cvox.SemanticAttr.Type.RELATION,
+      role: cvox.SemanticAttr.Role.ARROW
     },
     // Large operators
-    {set: this.sumOps,
-     type: cvox.SemanticAttr.Type.LARGEOP,
-     role: cvox.SemanticAttr.Role.SUM},
-    {set: this.intOps,
-     type: cvox.SemanticAttr.Type.LARGEOP,
-     role: cvox.SemanticAttr.Role.INTEGRAL},
+    {
+      set: this.sumOps,
+      type: cvox.SemanticAttr.Type.LARGEOP,
+      role: cvox.SemanticAttr.Role.SUM
+    },
+    {
+      set: this.intOps,
+      type: cvox.SemanticAttr.Type.LARGEOP,
+      role: cvox.SemanticAttr.Role.INTEGRAL
+    },
     // Functions
-    {set: this.limitFunctions,
-     type: cvox.SemanticAttr.Type.FUNCTION,
-     role: cvox.SemanticAttr.Role.LIMFUNC},
-    {set: this.prefixFunctions,
-     type: cvox.SemanticAttr.Type.FUNCTION,
-     role: cvox.SemanticAttr.Role.PREFIXFUNC},
-    {set: this.infixFunctions,
-     type: cvox.SemanticAttr.Type.OPERATOR,
-     role: cvox.SemanticAttr.Role.MULTIPLICATION
-    }
-    // TODO (sorge) Add some of the remaining elements.
+    {
+      set: this.limitFunctions,
+      type: cvox.SemanticAttr.Type.FUNCTION,
+      role: cvox.SemanticAttr.Role.LIMFUNC
+    },
+    {
+      set: this.prefixFunctions,
+      type: cvox.SemanticAttr.Type.FUNCTION,
+      role: cvox.SemanticAttr.Role.PREFIXFUNC
+    },
+    {
+      set: this.infixFunctions,
+      type: cvox.SemanticAttr.Type.OPERATOR,
+      role: cvox.SemanticAttr.Role.MULTIPLICATION
+    }  // TODO (sorge) Add some of the remaining elements.
   ];
 };
 goog.addSingletonGetter(cvox.SemanticAttr);
 
 
 /**
  * Union type of semantic attributes.
  * @typedef {cvox.SemanticAttr.Type|cvox.SemanticAttr.Role}
  */
 cvox.SemanticAttr.Attr;
@@ skipping 77 matching lines @@
 /**
  * Mapping for roles of nodes.
  * Roles are more specific than types.
  * @enum {string}
  */
 cvox.SemanticAttr.Role = {
   // Punctuation.
   ELLIPSIS: 'ellipsis',
   FULLSTOP: 'fullstop',
   DASH: 'dash',
-  PRIME: 'prime',   // Superscript.
-  VBAR: 'vbar',  // A vertical bar.
+  PRIME: 'prime',  // Superscript.
+  VBAR: 'vbar',    // A vertical bar.
   OPENFENCE: 'openfence',
   CLOSEFENCE: 'closefence',
-  APPLICATION: 'application', // Function Application.
+  APPLICATION: 'application',  // Function Application.
 
   // Fences.
   OPEN: 'open',
   CLOSE: 'close',
   TOP: 'top',
   BOTTOM: 'bottom',
   NEUTRAL: 'neutral',
 
   // Letters.
   LATINLETTER: 'latinletter',
@@ skipping 146 matching lines @@
 
 /**
  * Decide when two fences match. Currently we match any right to left
  * or bottom to top fence and neutral to neutral.
  * @param {cvox.SemanticAttr.Role} open Opening fence.
  * @param {cvox.SemanticAttr.Role} close Closing fence.
  * @return {boolean} True if the fences are matching.
  */
 cvox.SemanticAttr.isMatchingFenceRole = function(open, close) {
   return (open == cvox.SemanticAttr.Role.OPEN &&
-      close == cvox.SemanticAttr.Role.CLOSE) ||
-          (open == cvox.SemanticAttr.Role.NEUTRAL &&
-              close == cvox.SemanticAttr.Role.NEUTRAL) ||
-                  (open == cvox.SemanticAttr.Role.TOP &&
-                      close == cvox.SemanticAttr.Role.BOTTOM);
+          close == cvox.SemanticAttr.Role.CLOSE) ||
+      (open == cvox.SemanticAttr.Role.NEUTRAL &&
+       close == cvox.SemanticAttr.Role.NEUTRAL) ||
+      (open == cvox.SemanticAttr.Role.TOP &&
+       close == cvox.SemanticAttr.Role.BOTTOM);
 };
 
 
 /**
  * Decide when opening and closing fences match. For neutral fences they have to
  * be the same.
  * @param {string} open Opening fence.
  * @param {string} close Closing fence.
  * @return {boolean} True if the fences are matching.
  */
 cvox.SemanticAttr.isMatchingFence = function(open, close) {
   return cvox.SemanticAttr.getInstance().isMatchingFence_(open, close);
 };
 
 
 /**
  * Determines if a fence is an opening fence.
  * @param {cvox.SemanticAttr.Role} fence Opening fence.
  * @return {boolean} True if the fence is open or neutral.
  */
 cvox.SemanticAttr.isOpeningFence = function(fence) {
-  return (fence == cvox.SemanticAttr.Role.OPEN ||
-          fence == cvox.SemanticAttr.Role.NEUTRAL);
+  return (
+      fence == cvox.SemanticAttr.Role.OPEN ||
+      fence == cvox.SemanticAttr.Role.NEUTRAL);
 };
 
 
 /**
  * Determines if a fence is a closing fence.
  * @param {cvox.SemanticAttr.Role} fence Closing fence.
  * @return {boolean} True if the fence is close or neutral.
  */
 cvox.SemanticAttr.isClosingFence = function(fence) {
-  return (fence == cvox.SemanticAttr.Role.CLOSE ||
-          fence == cvox.SemanticAttr.Role.NEUTRAL);
+  return (
+      fence == cvox.SemanticAttr.Role.CLOSE ||
+      fence == cvox.SemanticAttr.Role.NEUTRAL);
 };
 
 
 // TODO (sorge) Make this depended on position in the alphabets.
 /**
  * Check if a character is a small 'd' in some font.
  * @param {!string} chr The character string.
  * @return {boolean} True if the character is indeed a single small d.
  */
 cvox.SemanticAttr.isCharacterD = function(chr) {
-  var Ds = ['d', 'ⅆ', 'ｄ', '𝐝', '𝑑', '𝒹', '𝓭', '𝔡',
-            '𝕕', '𝖉', '𝖽', '𝗱', '𝘥', '𝚍'];
+  var Ds =
+      ['d', 'ⅆ', 'ｄ', '𝐝', '𝑑', '𝒹', '𝓭', '𝔡', '𝕕', '𝖉', '𝖽', '𝗱', '𝘥', '𝚍'];
   return Ds.indexOf(chr) != -1;
 };
 
 
 /**
  * Decide when opening and closing fences match. For neutral fences they have to
  * be the same.
  * @param {!string} open Opening fence.
  * @param {!string} close Closing fence.
  * @return {boolean} True if the fences are matching.
@@ skipping 12 matching lines @@
  * Lookup the semantic meaning of a symbol in terms of type and role.
  * @param {!string} symbol The symbol to which we want to determine the meaning.
  * @return {{role: cvox.SemanticAttr.Role,
  *           type: cvox.SemanticAttr.Type,
  *           font: cvox.SemanticAttr.Font}} The semantic meaning of the symbol.
  * @private
  */
 cvox.SemanticAttr.prototype.lookupMeaning_ = function(symbol) {
   for (var i = 0, set; set = this.symbolSetToSemantic_[i]; i++) {
     if (set.set.indexOf(symbol) != -1) {
-      return {role: set.role || cvox.SemanticAttr.Role.UNKNOWN,
-              type: set.type || cvox.SemanticAttr.Type.UNKNOWN,
-              font: set.font || cvox.SemanticAttr.Font.UNKNOWN
-             };
+      return {
+        role: set.role || cvox.SemanticAttr.Role.UNKNOWN,
+        type: set.type || cvox.SemanticAttr.Type.UNKNOWN,
+        font: set.font || cvox.SemanticAttr.Font.UNKNOWN
+      };
     }
   }
-  return {role: cvox.SemanticAttr.Role.UNKNOWN,
-          type: cvox.SemanticAttr.Type.UNKNOWN,
-          font: cvox.SemanticAttr.Font.UNKNOWN
-         };
+  return {
+    role: cvox.SemanticAttr.Role.UNKNOWN,
+    type: cvox.SemanticAttr.Type.UNKNOWN,
+    font: cvox.SemanticAttr.Font.UNKNOWN
+  };
 };