make.text = {
  lineEnd: function () {
    return random.pick([
      "\n", "\r", "\r\n", "\n\r"
    ]);
  },
  controlChar: function () {
    return random.pick([
      "\b", "\t", "\n", "\v", "\f", "\r", "\0", "\c", "\a", "\e"
    ]);
  },
  token: function () {
    return random.pick([
      '*', '+', '%', '-', '!', '^', ':', '|', '&', '<', '>', '.', '"',
      '#', ' ', ';', ',', '{', '}', '(', ')', '[', ']', '/', '\\', '/*', '*/'
    ]);
  },
  charset: function () {
    return random.pick([
      "UTF-8", "ISO-8859-1"
    ]);
  },
  language: function () {
    // https://gist.github.com/tonyhb/635401
    return random.pick([
      "en-US", "en", "de"
    ]);
  },
  layoutCharCodes: function () {
    return random.pick([
      0,      // null
      160,    // non-breaking space
      0x005C, // backslash, but in some countries, represents local currency symbol (e.g. yen)
      0x00AD, // soft hyphen
      0x0BCC, // a Tamil character that is displayed as three glyphs
      // http://unicode.org/charts/PDF/U2000.pdf
      0x200B, // zero-width space
      0x200C, // zero-width non-joiner
      0x200D, // zero-width joiner
      0x200E, // left-to-right mark
      0x200F, // right-to-left mark
      0x2011, // non-breaking hyphen
      0x2027, // hyphenation point
      0x2028, // line separator
      0x2029, // paragraph separator
      0x202A, // left-to-right embedding
      0x202B, // right-to-left embedding
      0x202C, // pop directional formatting
      0x202D, // left-to-right override
      0x202E, // right-to-left override
      0x202F, // narrow no-break space
      0x2060, // word joiner
      0x2061, // function application (one of several invisible mathematical operators)
      // http://unicode.org/charts/PDF/U3000.pdf
      0x3000, // ideographic space (CJK)
      // http://unicode.org/charts/PDF/U0300.pdf
      0x0301, // combining acute accent (if it appears after "a", it turns into "a" with an accent)
      // Arabic has the interesting property that most letters connect to the next letter.
      // Some code calls this "shaping".
      0x0643, // arabic letter kaf
      0x0645, // arabic letter meem
      0x06CD, // arabic letter yeh with tail
      0xFDDE, // invalid unicode? but somehow associated with arabic.
      // http://unicode.org/reports/tr36/tr36-7.html#Buffer_Overflows
      // Characters with especially high expansion factors when they go through various unicode "normalizations"
      0x1F82,
      0xFDFA,
      0xFB2C,
      0x0390,
      // 0x1D160, // hmm, need surrogates
      // Characters with especially high expansion factors when lowercased or uppercased
      0x023A,
      0x0041,
      0xDC1D, // a low surrogate
      0xDB00, // a high surrogate
      // UFFF0.pdf
      0xFFF9, // interlinear annotation anchor
      0xFFFA, // interlinear annotation seperator
      0xFFFB, // interlinear annotation terminator
      0xFFFC, // object replacement character
      0xFFFD, // replacement character
      0xFEFF, // zero width no-break space
      0xFFFF, // not a character
      0x00A0, // no-break space
      0x2426,
      0x003F,
      0x00BF,
      0xDC80,
      0xDCFF,
      // http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters
      0x205F, // mathematical space
      0x2061, // mathematical function application
      0x2064, // mathematical invisible separator
      0x2044  // fraction slash character
    ]);
  },

  // http://www.unicode.org/Public/6.0.0/ucd/UnicodeData.txt
  unicodeCombiningCharacters: function () {
    return random.item([
      [0x0300, 0x036F], // Combining Diacritical Marks
      [0x0483, 0x0489],
      [0x07EB, 0x07F3],
      [0x135D, 0x135F],
      [0x1A7F, 0x1A7F],
      [0x1B6B, 0x1B73],
      [0x1DC0, 0x1DFF], // Combining Diacritical Marks Supplement
      [0x20D0, 0x2DFF],
      [0x3099, 0x309A],
      [0xA66F, 0xA6F1],
      [0xA8E0, 0xA8F1],
      [0xFE20, 0xFE26], // Combining Half Marks
      [0x101FD, 0x101FD],
      [0x1D165, 0x1D169],
      [0x1D16D, 0x1D172],
      [0x1D17B, 0x1D18B],
      [0x1D1AA, 0x1D1AD],
      [0x1D242, 0x1D244]
    ])
  },
  unicodeBMP: function () {
    return random.item([
      // BMP = Basic Multilingual Plane
      [0x0000, 0xFFFF]
    ])
  },
  unicodeSMP: function () {
    return random.item([
      // SMP = Supplementary Multilingual Plane
      [0x10000, 0x13FFF],
      [0x16000, 0x16FFF],
      [0x1B000, 0x1BFFF],
      [0x1D000, 0x1DFFF],
      [0x1F000, 0x1FFFF]
    ])
  },
  unicodeSIP: function () {
    return random.item([
      // SIP = Supplementary Ideographic Plane
      [0x20000, 0x2BFFF],
      [0x2F000, 0x2FFFF]
    ])
  },
  unicodeSSP: function () {
    return random.item([
      // SSP = Supplementary Special-purpose Plane
      [0xE0000, 0xE0FFF]
    ])
  },
  registeredFontFeatures: function () {
    return random.pick([
      'aalt', 'abvf', 'abvm', 'abvs', 'afrc', 'akhn', 'blwf', 'blwm', 'blws',
      'calt', 'case', 'ccmp', 'cfar', 'cjct', 'clig', 'cpct', 'cpsp', 'cswh',
      'curs', 'cv01-cv99', 'c2pc', 'c2sc', 'dist', 'dlig', 'dnom', 'expt',
      'falt', 'fin2', 'fin3', 'fina', 'frac', 'fwid', 'half', 'haln', 'halt',
      'hist', 'hkna', 'hlig', 'hngl', 'hojo', 'hwid', 'init', 'isol', 'ital',
      'jalt', 'jp78', 'jp83', 'jp90', 'jp04', 'kern', 'lfbd', 'liga', 'ljmo',
      'lnum', 'locl', 'ltra', 'ltrm', 'mark', 'med2', 'medi', 'mgrk', 'mkmk',
      'mset', 'nalt', 'nlck', 'nukt', 'numr', 'onum', 'opbd', 'ordn', 'ornm',
      'palt', 'pcap', 'pkna', 'pnum', 'pref', 'pres', 'pstf', 'psts', 'pwid',
      'qwid', 'rand', 'rkrf', 'rlig', 'rphf', 'rtbd', 'rtla', 'rtlm', 'ruby',
      'salt', 'sinf', 'size', 'smcp', 'smpl', 'ss01', 'ss02', 'ss03', 'ss04',
      'ss05', 'ss06', 'ss07', 'ss08', 'ss09', 'ss10', 'ss11', 'ss12', 'ss13',
      'ss14', 'ss15', 'ss16', 'ss17', 'ss18', 'ss19', 'ss20', 'subs', 'sups',
      'swsh', 'titl', 'tjmo', 'tnam', 'tnum', 'trad', 'twid', 'unic', 'valt',
      'vatu', 'vert', 'vhal', 'vjmo', 'vkna', 'vkrn', 'vpal', 'vrt2', 'zero'
    ])
  },
  assignmentOperator: function () {
    return random.pick([
      "=", "-=", "+=", "*=", "/="
    ])
  },
  arithmeticOperator: function () {
    return random.pick([
      "%", "-", "+", "*", "/"
    ])
  },
  currency: function () {
    return random.pick([
      // https://en.wikipedia.org/wiki/ISO_4217
      "USD", "USS", "USN", "EUR", "CHF", "GBP", "XAG", "XBA", "XBB", "XBC",
      "XBD", "XSU", "XTS", "XXX",
    ])
  },
};