if (! this.sh_languages) {
  this.sh_languages = {};
}
sh_languages['caml'] = [
  [
    [
      /\b(?:external|open|include|[A-Z][\w']*(?=\.))\b/g,
      'sh_preproc',
      -1
    ],
    [
      /\b[+-]?(?:(?:0x[A-Fa-f0-9]+)|(?:(?:[\d]*\.)?[\d]+(?:[eE][+-]?[\d]+)?))u?(?:(?:int(?:8|16|32|64))|L)?\b/g,
      'sh_number',
      -1
    ],
    [
      /"/g,
      'sh_string',
      1
    ],
    [
      /\b(?:and|as|assert|asr|begin|class|closed|constraint|do|done|downto|else|end|exception|false|for|fun|function|functor|if|in|inherit|initializer|land|lazy|let|lor|lsl|lsr|lxor|match|method|mod|module|mutable|new|object|of|or|parser|private|rec|sig|struct|then|to|true|try|type|val|virtual|when|while|with)\b/g,
      'sh_keyword',
      -1
    ],
    [
      /\(\*/g,
      'sh_comment',
      2
    ],
    [
      /\b(?:[A-Z][\w']*(?!\.)|int|int32|int64|nativeint|bool|char|exn|option|float|unit|string|list|array|ref|format|format4|lazy_t|in_channel|out_channel)\b/g,
      'sh_type',
      -1
    ],
    [
      /~|!|%|\^|\*|\(|\)|-|\+|=|\[|\]|\\|:|;|,|\.|\/|\?|&|<|>|\|/g,
      'sh_symbol',
      -1
    ],
    [
      /\{|\}/g,
      'sh_cbracket',
      -1
    ]
  ],
  [
    [
      /$/g,
      null,
      -2
    ],
    [
      /\\(?:\\|")/g,
      null,
      -1
    ],
    [
      /"/g,
      'sh_string',
      -2
    ]
  ],
  [
    [
      /\*\)/g,
      'sh_comment',
      -2
    ],
    [
      /\(\*/g,
      'sh_comment',
      2
    ]
  ]
];
