if (! this.sh_languages) {
  this.sh_languages = {};
}
sh_languages['spec'] = [
  [
    [
      /#/g,
      'sh_comment',
      1
    ],
    [
      /^[A-Za-z0-9_-]+:/g,
      'sh_keyword',
      -1
    ],
    [
      /(?:<?)[A-Za-z0-9_\.\/\-_~]+@[A-Za-z0-9_\.\/\-_~]+(?:>?)/g,
      'sh_url',
      -1
    ],
    [
      /(?:<?)[A-Za-z0-9_]+:\/\/[A-Za-z0-9_\.\/\-_~]+(?:>?)/g,
      'sh_url',
      -1
    ],
    [
      /\b[+-]?(?:(?:0x[A-Fa-f0-9]+)|(?:(?:[\d]*\.)?[\d]+(?:[eE][+-]?[\d]+)?))u?(?:(?:int(?:8|16|32|64))|L)?\b/g,
      'sh_number',
      -1
    ],
    [
      /\$[A-Za-z0-9_]+/g,
      'sh_variable',
      -1
    ],
    [
      /%(?:\{?)[A-Za-z0-9_]+(?:\}?)/g,
      'sh_preproc',
      -1
    ]
  ],
  [
    [
      /$/g,
      null,
      -2
    ]
  ]
];