cmark

My personal build of CMark ✏️

Commit: 013294b384ab6dec0320f4c2ce6aa7a810b1630a
Parent: c637f8d6d57aa197d57579dc8f87023be635e8ad
Author: John MacFarlane <jgm@berkeley.edu>
Date: Thu, 15 Jan 2015 09:34:01 -0800

Added normalize-reference.js.

This does a proper unicode case fold instead of just using toUpperCase. It is also faster, partly because we can do one pass for space and case normalization.

Modified from the NPM package fold-case; proper credit given in source and COPYING.

Diffstat

3 files changed, 68 insertions, 8 deletions

Status	File Name	N° Changes	Insertions	Deletions
Modified	COPYING	26	26	0
Modified	js/lib/inlines.js	10	2	8
Added	js/lib/normalize-reference.js	40	40	0

diff --git a/COPYING b/COPYING
@@ -108,6 +108,32 @@ DEALINGS IN THE SOFTWARE.
 
 -----
 
+normalize-reference.js is a slightly modified version of
+https://github.com/dmoscrop/fold-case:
+
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+-----
+
 The polyfill for String.fromCodePoint included in commonmark.js is
 Copyright Mathias Bynens <http://mathiasbynens.be/>

diff --git a/js/lib/inlines.js b/js/lib/inlines.js
@@ -2,6 +2,8 @@
 
 var Node = require('./node');
 var common = require('./common');
+var normalizeReference = require('./normalize-reference');
+
 var normalizeURI = common.normalizeURI;
 var unescapeString = common.unescapeString;
 var fromCodePoint = require('./from-code-point.js');
@@ -92,14 +94,6 @@ var reLinkLabel = /^\[(?:[^\\\[\]]|\\[\[\]]){0,1000}\]/;
 // Matches a string of non-special characters.
 var reMain = /^[^\n`\[\]\\!<&*_]+/m;
 
-// Normalize reference label: collapse internal whitespace
-// to single space, remove leading/trailing whitespace, case fold.
-var normalizeReference = function(s) {
-    return s.trim()
-        .replace(/\s+/, ' ')
-        .toUpperCase();
-};
-
 var text = function(s) {
     var node = new Node('Text');
     node.literal = s;

diff --git a/js/lib/normalize-reference.js b/js/lib/normalize-reference.js
@@ -0,0 +1,40 @@
+/* The bulk of this code derives from https://github.com/dmoscrop/fold-case
+But in addition to case-folding, we also normalize whitespace.
+
+fold-case is Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+var regex = /[ \t\r\n]+|[A-Z\xB5\xC0-\xD6\xD8-\xDF\u0100\u0102\u0104\u0106\u0108\u010A\u010C\u010E\u0110\u0112\u0114\u0116\u0118\u011A\u011C\u011E\u0120\u0122\u0124\u0126\u0128\u012A\u012C\u012E\u0130\u0132\u0134\u0136\u0139\u013B\u013D\u013F\u0141\u0143\u0145\u0147\u0149\u014A\u014C\u014E\u0150\u0152\u0154\u0156\u0158\u015A\u015C\u015E\u0160\u0162\u0164\u0166\u0168\u016A\u016C\u016E\u0170\u0172\u0174\u0176\u0178\u0179\u017B\u017D\u017F\u0181\u0182\u0184\u0186\u0187\u0189-\u018B\u018E-\u0191\u0193\u0194\u0196-\u0198\u019C\u019D\u019F\u01A0\u01A2\u01A4\u01A6\u01A7\u01A9\u01AC\u01AE\u01AF\u01B1-\u01B3\u01B5\u01B7\u01B8\u01BC\u01C4\u01C5\u01C7\u01C8\u01CA\u01CB\u01CD\u01CF\u01D1\u01D3\u01D5\u01D7\u01D9\u01DB\u01DE\u01E0\u01E2\u01E4\u01E6\u01E8\u01EA\u01EC\u01EE\u01F0-\u01F2\u01F4\u01F6-\u01F8\u01FA\u01FC\u01FE\u0200\u0202\u0204\u0206\u0208\u020A\u020C\u020E\u0210\u0212\u0214\u0216\u0218\u021A\u021C\u021E\u0220\u0222\u0224\u0226\u0228\u022A\u022C\u022E\u0230\u0232\u023A\u023B\u023D\u023E\u0241\u0243-\u0246\u0248\u024A\u024C\u024E\u0345\u0370\u0372\u0376\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03AB\u03B0\u03C2\u03CF-\u03D1\u03D5\u03D6\u03D8\u03DA\u03DC\u03DE\u03E0\u03E2\u03E4\u03E6\u03E8\u03EA\u03EC\u03EE\u03F0\u03F1\u03F4\u03F5\u03F7\u03F9\u03FA\u03FD-\u042F\u0460\u0462\u0464\u0466\u0468\u046A\u046C\u046E\u0470\u0472\u0474\u0476\u0478\u047A\u047C\u047E\u0480\u048A\u048C\u048E\u0490\u0492\u0494\u0496\u0498\u049A\u049C\u049E\u04A0\u04A2\u04A4\u04A6\u04A8\u04AA\u04AC\u04AE\u04B0\u04B2\u04B4\u04B6\u04B8\u04BA\u04BC\u04BE\u04C0\u04C1\u04C3\u04C5\u04C7\u04C9\u04CB\u04CD\u04D0\u04D2\u04D4\u04D6\u04D8\u04DA\u04DC\u04DE\u04E0\u04E2\u04E4\u04E6\u04E8\u04EA\u04EC\u04EE\u04F0\u04F2\u04F4\u04F6\u04F8\u04FA\u04FC\u04FE\u0500\u0502\u0504\u0506\u0508\u050A\u050C\u050E\u0510\u0512\u0514\u0516\u0518\u051A\u051C\u051E\u0520\u0522\u0524\u0526\u0528\u052A\u052C\u052E\u0531-\u0556\u0587\u10A0-\u10C5\u10C7\u10CD\u1E00\u1E02\u1E04\u1E06\u1E08\u1E0A\u1E0C\u1E0E\u1E10\u1E12\u1E14\u1E16\u1E18\u1E1A\u1E1C\u1E1E\u1E20\u1E22\u1E24\u1E26\u1E28\u1E2A\u1E2C\u1E2E\u1E30\u1E32\u1E34\u1E36\u1E38\u1E3A\u1E3C\u1E3E\u1E40\u1E42\u1E44\u1E46\u1E48\u1E4A\u1E4C\u1E4E\u1E50\u1E52\u1E54\u1E56\u1E58\u1E5A\u1E5C\u1E5E\u1E60\u1E62\u1E64\u1E66\u1E68\u1E6A\u1E6C\u1E6E\u1E70\u1E72\u1E74\u1E76\u1E78\u1E7A\u1E7C\u1E7E\u1E80\u1E82\u1E84\u1E86\u1E88\u1E8A\u1E8C\u1E8E\u1E90\u1E92\u1E94\u1E96-\u1E9B\u1E9E\u1EA0\u1EA2\u1EA4\u1EA6\u1EA8\u1EAA\u1EAC\u1EAE\u1EB0\u1EB2\u1EB4\u1EB6\u1EB8\u1EBA\u1EBC\u1EBE\u1EC0\u1EC2\u1EC4\u1EC6\u1EC8\u1ECA\u1ECC\u1ECE\u1ED0\u1ED2\u1ED4\u1ED6\u1ED8\u1EDA\u1EDC\u1EDE\u1EE0\u1EE2\u1EE4\u1EE6\u1EE8\u1EEA\u1EEC\u1EEE\u1EF0\u1EF2\u1EF4\u1EF6\u1EF8\u1EFA\u1EFC\u1EFE\u1F08-\u1F0F\u1F18-\u1F1D\u1F28-\u1F2F\u1F38-\u1F3F\u1F48-\u1F4D\u1F50\u1F52\u1F54\u1F56\u1F59\u1F5B\u1F5D\u1F5F\u1F68-\u1F6F\u1F80-\u1FAF\u1FB2-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD2\u1FD3\u1FD6-\u1FDB\u1FE2-\u1FE4\u1FE6-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2126\u212A\u212B\u2132\u2160-\u216F\u2183\u24B6-\u24CF\u2C00-\u2C2E\u2C60\u2C62-\u2C64\u2C67\u2C69\u2C6B\u2C6D-\u2C70\u2C72\u2C75\u2C7E-\u2C80\u2C82\u2C84\u2C86\u2C88\u2C8A\u2C8C\u2C8E\u2C90\u2C92\u2C94\u2C96\u2C98\u2C9A\u2C9C\u2C9E\u2CA0\u2CA2\u2CA4\u2CA6\u2CA8\u2CAA\u2CAC\u2CAE\u2CB0\u2CB2\u2CB4\u2CB6\u2CB8\u2CBA\u2CBC\u2CBE\u2CC0\u2CC2\u2CC4\u2CC6\u2CC8\u2CCA\u2CCC\u2CCE\u2CD0\u2CD2\u2CD4\u2CD6\u2CD8\u2CDA\u2CDC\u2CDE\u2CE0\u2CE2\u2CEB\u2CED\u2CF2\uA640\uA642\uA644\uA646\uA648\uA64A\uA64C\uA64E\uA650\uA652\uA654\uA656\uA658\uA65A\uA65C\uA65E\uA660\uA662\uA664\uA666\uA668\uA66A\uA66C\uA680\uA682\uA684\uA686\uA688\uA68A\uA68C\uA68E\uA690\uA692\uA694\uA696\uA698\uA69A\uA722\uA724\uA726\uA728\uA72A\uA72C\uA72E\uA732\uA734\uA736\uA738\uA73A\uA73C\uA73E\uA740\uA742\uA744\uA746\uA748\uA74A\uA74C\uA74E\uA750\uA752\uA754\uA756\uA758\uA75A\uA75C\uA75E\uA760\uA762\uA764\uA766\uA768\uA76A\uA76C\uA76E\uA779\uA77B\uA77D\uA77E\uA780\uA782\uA784\uA786\uA78B\uA78D\uA790\uA792\uA796\uA798\uA79A\uA79C\uA79E\uA7A0\uA7A2\uA7A4\uA7A6\uA7A8\uA7AA-\uA7AD\uA7B0\uA7B1\uFB00-\uFB06\uFB13-\uFB17\uFF21-\uFF3A]|\uD801[\uDC00-\uDC27]|\uD806[\uDCA0-\uDCBF]/g;
+
+var map = {'A':'a','B':'b','C':'c','D':'d','E':'e','F':'f','G':'g','H':'h','I':'i','J':'j','K':'k','L':'l','M':'m','N':'n','O':'o','P':'p','Q':'q','R':'r','S':'s','T':'t','U':'u','V':'v','W':'w','X':'x','Y':'y','Z':'z','\xB5':'\u03BC','\xC0':'\xE0','\xC1':'\xE1','\xC2':'\xE2','\xC3':'\xE3','\xC4':'\xE4','\xC5':'\xE5','\xC6':'\xE6','\xC7':'\xE7','\xC8':'\xE8','\xC9':'\xE9','\xCA':'\xEA','\xCB':'\xEB','\xCC':'\xEC','\xCD':'\xED','\xCE':'\xEE','\xCF':'\xEF','\xD0':'\xF0','\xD1':'\xF1','\xD2':'\xF2','\xD3':'\xF3','\xD4':'\xF4','\xD5':'\xF5','\xD6':'\xF6','\xD8':'\xF8','\xD9':'\xF9','\xDA':'\xFA','\xDB':'\xFB','\xDC':'\xFC','\xDD':'\xFD','\xDE':'\xFE','\u0100':'\u0101','\u0102':'\u0103','\u0104':'\u0105','\u0106':'\u0107','\u0108':'\u0109','\u010A':'\u010B','\u010C':'\u010D','\u010E':'\u010F','\u0110':'\u0111','\u0112':'\u0113','\u0114':'\u0115','\u0116':'\u0117','\u0118':'\u0119','\u011A':'\u011B','\u011C':'\u011D','\u011E':'\u011F','\u0120':'\u0121','\u0122':'\u0123','\u0124':'\u0125','\u0126':'\u0127','\u0128':'\u0129','\u012A':'\u012B','\u012C':'\u012D','\u012E':'\u012F','\u0132':'\u0133','\u0134':'\u0135','\u0136':'\u0137','\u0139':'\u013A','\u013B':'\u013C','\u013D':'\u013E','\u013F':'\u0140','\u0141':'\u0142','\u0143':'\u0144','\u0145':'\u0146','\u0147':'\u0148','\u014A':'\u014B','\u014C':'\u014D','\u014E':'\u014F','\u0150':'\u0151','\u0152':'\u0153','\u0154':'\u0155','\u0156':'\u0157','\u0158':'\u0159','\u015A':'\u015B','\u015C':'\u015D','\u015E':'\u015F','\u0160':'\u0161','\u0162':'\u0163','\u0164':'\u0165','\u0166':'\u0167','\u0168':'\u0169','\u016A':'\u016B','\u016C':'\u016D','\u016E':'\u016F','\u0170':'\u0171','\u0172':'\u0173','\u0174':'\u0175','\u0176':'\u0177','\u0178':'\xFF','\u0179':'\u017A','\u017B':'\u017C','\u017D':'\u017E','\u017F':'s','\u0181':'\u0253','\u0182':'\u0183','\u0184':'\u0185','\u0186':'\u0254','\u0187':'\u0188','\u0189':'\u0256','\u018A':'\u0257','\u018B':'\u018C','\u018E':'\u01DD','\u018F':'\u0259','\u0190':'\u025B','\u0191':'\u0192','\u0193':'\u0260','\u0194':'\u0263','\u0196':'\u0269','\u0197':'\u0268','\u0198':'\u0199','\u019C':'\u026F','\u019D':'\u0272','\u019F':'\u0275','\u01A0':'\u01A1','\u01A2':'\u01A3','\u01A4':'\u01A5','\u01A6':'\u0280','\u01A7':'\u01A8','\u01A9':'\u0283','\u01AC':'\u01AD','\u01AE':'\u0288','\u01AF':'\u01B0','\u01B1':'\u028A','\u01B2':'\u028B','\u01B3':'\u01B4','\u01B5':'\u01B6','\u01B7':'\u0292','\u01B8':'\u01B9','\u01BC':'\u01BD','\u01C4':'\u01C6','\u01C5':'\u01C6','\u01C7':'\u01C9','\u01C8':'\u01C9','\u01CA':'\u01CC','\u01CB':'\u01CC','\u01CD':'\u01CE','\u01CF':'\u01D0','\u01D1':'\u01D2','\u01D3':'\u01D4','\u01D5':'\u01D6','\u01D7':'\u01D8','\u01D9':'\u01DA','\u01DB':'\u01DC','\u01DE':'\u01DF','\u01E0':'\u01E1','\u01E2':'\u01E3','\u01E4':'\u01E5','\u01E6':'\u01E7','\u01E8':'\u01E9','\u01EA':'\u01EB','\u01EC':'\u01ED','\u01EE':'\u01EF','\u01F1':'\u01F3','\u01F2':'\u01F3','\u01F4':'\u01F5','\u01F6':'\u0195','\u01F7':'\u01BF','\u01F8':'\u01F9','\u01FA':'\u01FB','\u01FC':'\u01FD','\u01FE':'\u01FF','\u0200':'\u0201','\u0202':'\u0203','\u0204':'\u0205','\u0206':'\u0207','\u0208':'\u0209','\u020A':'\u020B','\u020C':'\u020D','\u020E':'\u020F','\u0210':'\u0211','\u0212':'\u0213','\u0214':'\u0215','\u0216':'\u0217','\u0218':'\u0219','\u021A':'\u021B','\u021C':'\u021D','\u021E':'\u021F','\u0220':'\u019E','\u0222':'\u0223','\u0224':'\u0225','\u0226':'\u0227','\u0228':'\u0229','\u022A':'\u022B','\u022C':'\u022D','\u022E':'\u022F','\u0230':'\u0231','\u0232':'\u0233','\u023A':'\u2C65','\u023B':'\u023C','\u023D':'\u019A','\u023E':'\u2C66','\u0241':'\u0242','\u0243':'\u0180','\u0244':'\u0289','\u0245':'\u028C','\u0246':'\u0247','\u0248':'\u0249','\u024A':'\u024B','\u024C':'\u024D','\u024E':'\u024F','\u0345':'\u03B9','\u0370':'\u0371','\u0372':'\u0373','\u0376':'\u0377','\u037F':'\u03F3','\u0386':'\u03AC','\u0388':'\u03AD','\u0389':'\u03AE','\u038A':'\u03AF','\u038C':'\u03CC','\u038E':'\u03CD','\u038F':'\u03CE','\u0391':'\u03B1','\u0392':'\u03B2','\u0393':'\u03B3','\u0394':'\u03B4','\u0395':'\u03B5','\u0396':'\u03B6','\u0397':'\u03B7','\u0398':'\u03B8','\u0399':'\u03B9','\u039A':'\u03BA','\u039B':'\u03BB','\u039C':'\u03BC','\u039D':'\u03BD','\u039E':'\u03BE','\u039F':'\u03BF','\u03A0':'\u03C0','\u03A1':'\u03C1','\u03A3':'\u03C3','\u03A4':'\u03C4','\u03A5':'\u03C5','\u03A6':'\u03C6','\u03A7':'\u03C7','\u03A8':'\u03C8','\u03A9':'\u03C9','\u03AA':'\u03CA','\u03AB':'\u03CB','\u03C2':'\u03C3','\u03CF':'\u03D7','\u03D0':'\u03B2','\u03D1':'\u03B8','\u03D5':'\u03C6','\u03D6':'\u03C0','\u03D8':'\u03D9','\u03DA':'\u03DB','\u03DC':'\u03DD','\u03DE':'\u03DF','\u03E0':'\u03E1','\u03E2':'\u03E3','\u03E4':'\u03E5','\u03E6':'\u03E7','\u03E8':'\u03E9','\u03EA':'\u03EB','\u03EC':'\u03ED','\u03EE':'\u03EF','\u03F0':'\u03BA','\u03F1':'\u03C1','\u03F4':'\u03B8','\u03F5':'\u03B5','\u03F7':'\u03F8','\u03F9':'\u03F2','\u03FA':'\u03FB','\u03FD':'\u037B','\u03FE':'\u037C','\u03FF':'\u037D','\u0400':'\u0450','\u0401':'\u0451','\u0402':'\u0452','\u0403':'\u0453','\u0404':'\u0454','\u0405':'\u0455','\u040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C2':'\u2CC3','\u2CC4':'\u2CC5','\u2CC6':'\u2CC7','\u2CC8':'\u2CC9','\u2CCA':'\u2CCB','\u2CCC':'\u2CCD','\u2CCE':'\u2CCF','\u2CD0':'\u2CD1','\u2CD2':'\u2CD3','\u2CD4':'\u2CD5','\u2CD6':'\u2CD7','\u2CD8':'\u2CD9','\u2CDA':'\u2CDB','\u2CDC':'\u2CDD','\u2CDE':'\u2CDF','\u2CE0':'\u2CE1','\u2CE2':'\u2CE3','\u2CEB':'\u2CEC','\u2CED':'\u2CEE','\u2CF2':'\u2CF3','\uA640':'\uA641','\uA642':'\uA643','\uA644':'\uA645','\uA646':'\uA647','\uA648':'\uA649','\uA64A':'\uA64B','\uA64C':'\uA64D','\uA64E':'\uA64F','\uA650':'\uA651','\uA652':'\uA653','\uA654':'\uA655','\uA656':'\uA657','\uA658':'\uA659','\uA65A':'\uA65B','\uA65C':'\uA65D','\uA65E':'\uA65F','\uA660':'\uA661','\uA662':'\uA663','\uA664':'\uA665','\uA666':'\uA667','\uA668':'\uA669','\uA66A':'\uA66B','\uA66C':'\uA66D','\uA680':'\uA681','\uA682':'\uA683','\uA684':'\uA685','\uA686':'\uA687','\uA688':'\uA689','\uA68A':'\uA68B','\uA68C':'\uA68D','\uA68E':'\uA68F','\uA690':'\uA691','\uA692':'\uA693','\uA694':'\uA695','\uA696':'\uA697','\uA698':'\uA699','\uA69A':'\uA69B','\uA722':'\uA723','\uA724':'\uA725','\uA726':'\uA727','\uA728':'\uA729','\uA72A':'\uA72B','\uA72C':'\uA72D','\uA72E':'\uA72F','\uA732':'\uA733','\uA734':'\uA735','\uA736':'\uA737','\uA738':'\uA739','\uA73A':'\uA73B','\uA73C':'\uA73D','\uA73E':'\uA73F','\uA740':'\uA741','\uA742':'\uA743','\uA744':'\uA745','\uA746':'\uA747','\uA748':'\uA749','\uA74A':'\uA74B','\uA74C':'\uA74D','\uA74E':'\uA74F','\uA750':'\uA751','\uA752':'\uA753','\uA754':'\uA755','\uA756':'\uA757','\uA758':'\uA759','\uA75A':'\uA75B','\uA75C':'\uA75D','\uA75E':'\uA75F','\uA760':'\uA761','\uA762':'\uA763','\uA764':'\uA765','\uA766':'\uA767','\uA768':'\uA769','\uA76A':'\uA76B','\uA76C':'\uA76D','\uA76E':'\uA76F','\uA779':'\uA77A','\uA77B':'\uA77C','\uA77D':'\u1D79','\uA77E':'\uA77F','\uA780':'\uA781','\uA782':'\uA783','\uA784':'\uA785','\uA786':'\uA787','\uA78B':'\uA78C','\uA78D':'\u0265','\uA790':'\uA791','\uA792':'\uA793','\uA796':'\uA797','\uA798':'\uA799','\uA79A':'\uA79B','\uA79C':'\uA79D','\uA79E':'\uA79F','\uA7A0':'\uA7A1','\uA7A2':'\uA7A3','\uA7A4':'\uA7A5','\uA7A6':'\uA7A7','\uA7A8':'\uA7A9','\uA7AA':'\u0266','\uA7AB':'\u025C','\uA7AC':'\u0261','\uA7AD':'\u026C','\uA7B0':'\u029E','\uA7B1':'\u0287','\uFF21':'\uFF41','\uFF22':'\uFF42','\uFF23':'\uFF43','\uFF24':'\uFF44','\uFF25':'\uFF45','\uFF26':'\uFF46','\uFF27':'\uFF47','\uFF28':'\uFF48','\uFF29':'\uFF49','\uFF2A':'\uFF4A','\uFF2B':'\uFF4B','\uFF2C':'\uFF4C','\uFF2D':'\uFF4D','\uFF2E':'\uFF4E','\uFF2F':'\uFF4F','\uFF30':'\uFF50','\uFF31':'\uFF51','\uFF32':'\uFF52','\uFF33':'\uFF53','\uFF34':'\uFF54','\uFF35':'\uFF55','\uFF36':'\uFF56','\uFF37':'\uFF57','\uFF38':'\uFF58','\uFF39':'\uFF59','\uFF3A':'\uFF5A','\uD801\uDC00':'\uD801\uDC28','\uD801\uDC01':'\uD801\uDC29','\uD801\uDC02':'\uD801\uDC2A','\uD801\uDC03':'\uD801\uDC2B','\uD801\uDC04':'\uD801\uDC2C','\uD801\uDC05':'\uD801\uDC2D','\uD801\uDC06':'\uD801\uDC2E','\uD801\uDC07':'\uD801\uDC2F','\uD801\uDC08':'\uD801\uDC30','\uD801\uDC09':'\uD801\uDC31','\uD801\uDC0A':'\uD801\uDC32','\uD801\uDC0B':'\uD801\uDC33','\uD801\uDC0C':'\uD801\uDC34','\uD801\uDC0D':'\uD801\uDC35','\uD801\uDC0E':'\uD801\uDC36','\uD801\uDC0F':'\uD801\uDC37','\uD801\uDC10':'\uD801\uDC38','\uD801\uDC11':'\uD801\uDC39','\uD801\uDC12':'\uD801\uDC3A','\uD801\uDC13':'\uD801\uDC3B','\uD801\uDC14':'\uD801\uDC3C','\uD801\uDC15':'\uD801\uDC3D','\uD801\uDC16':'\uD801\uDC3E','\uD801\uDC17':'\uD801\uDC3F','\uD801\uDC18':'\uD801\uDC40','\uD801\uDC19':'\uD801\uDC41','\uD801\uDC1A':'\uD801\uDC42','\uD801\uDC1B':'\uD801\uDC43','\uD801\uDC1C':'\uD801\uDC44','\uD801\uDC1D':'\uD801\uDC45','\uD801\uDC1E':'\uD801\uDC46','\uD801\uDC1F':'\uD801\uDC47','\uD801\uDC20':'\uD801\uDC48','\uD801\uDC21':'\uD801\uDC49','\uD801\uDC22':'\uD801\uDC4A','\uD801\uDC23':'\uD801\uDC4B','\uD801\uDC24':'\uD801\uDC4C','\uD801\uDC25':'\uD801\uDC4D','\uD801\uDC26':'\uD801\uDC4E','\uD801\uDC27':'\uD801\uDC4F','\uD806\uDCA0':'\uD806\uDCC0','\uD806\uDCA1':'\uD806\uDCC1','\uD806\uDCA2':'\uD806\uDCC2','\uD806\uDCA3':'\uD806\uDCC3','\uD806\uDCA4':'\uD806\uDCC4','\uD806\uDCA5':'\uD806\uDCC5','\uD806\uDCA6':'\uD806\uDCC6','\uD806\uDCA7':'\uD806\uDCC7','\uD806\uDCA8':'\uD806\uDCC8','\uD806\uDCA9':'\uD806\uDCC9','\uD806\uDCAA':'\uD806\uDCCA','\uD806\uDCAB':'\uD806\uDCCB','\uD806\uDCAC':'\uD806\uDCCC','\uD806\uDCAD':'\uD806\uDCCD','\uD806\uDCAE':'\uD806\uDCCE','\uD806\uDCAF':'\uD806\uDCCF','\uD806\uDCB0':'\uD806\uDCD0','\uD806\uDCB1':'\uD806\uDCD1','\uD806\uDCB2':'\uD806\uDCD2','\uD806\uDCB3':'\uD806\uDCD3','\uD806\uDCB4':'\uD806\uDCD4','\uD806\uDCB5':'\uD806\uDCD5','\uD806\uDCB6':'\uD806\uDCD6','\uD806\uDCB7':'\uD806\uDCD7','\uD806\uDCB8':'\uD806\uDCD8','\uD806\uDCB9':'\uD806\uDCD9','\uD806\uDCBA':'\uD806\uDCDA','\uD806\uDCBB':'\uD806\uDCDB','\uD806\uDCBC':'\uD806\uDCDC','\uD806\uDCBD':'\uD806\uDCDD','\uD806\uDCBE':'\uD806\uDCDE','\uD806\uDCBF':'\uD806\uDCDF','\xDF':'ss','\u0130':'i\u0307','\u0149':'\u02BCn','\u01F0':'j\u030C','\u0390':'\u03B9\u0308\u0301','\u03B0':'\u03C5\u0308\u0301','\u0587':'\u0565\u0582','\u1E96':'h\u0331','\u1E97':'t\u0308','\u1E98':'w\u030A','\u1E99':'y\u030A','\u1E9A':'a\u02BE','\u1E9E':'ss','\u1F50':'\u03C5\u0313','\u1F52':'\u03C5\u0313\u0300','\u1F54':'\u03C5\u0313\u0301','\u1F56':'\u03C5\u0313\u0342','\u1F80':'\u1F00\u03B9','\u1F81':'\u1F01\u03B9','\u1F82':'\u1F02\u03B9','\u1F83':'\u1F03\u03B9','\u1F84':'\u1F04\u03B9','\u1F85':'\u1F05\u03B9','\u1F86':'\u1F06\u03B9','\u1F87':'\u1F07\u03B9','\u1F88':'\u1F00\u03B9','\u1F89':'\u1F01\u03B9','\u1F8A':'\u1F02\u03B9','\u1F8B':'\u1F03\u03B9','\u1F8C':'\u1F04\u03B9','\u1F8D':'\u1F05\u03B9','\u1F8E':'\u1F06\u03B9','\u1F8F':'\u1F07\u03B9','\u1F90':'\u1F20\u03B9','\u1F91':'\u1F21\u03B9','\u1F92':'\u1F22\u03B9','\u1F93':'\u1F23\u03B9','\u1F94':'\u1F24\u03B9','\u1F95':'\u1F25\u03B9','\u1F96':'\u1F26\u03B9','\u1F97':'\u1F27\u03B9','\u1F98':'\u1F20\u03B9','\u1F99':'\u1F21\u03B9','\u1F9A':'\u1F22\u03B9','\u1F9B':'\u1F23\u03B9','\u1F9C':'\u1F24\u03B9','\u1F9D':'\u1F25\u03B9','\u1F9E':'\u1F26\u03B9','\u1F9F':'\u1F27\u03B9','\u1FA0':'\u1F60\u03B9','\u1FA1':'\u1F61\u03B9','\u1FA2':'\u1F62\u03B9','\u1FA3':'\u1F63\u03B9','\u1FA4':'\u1F64\u03B9','\u1FA5':'\u1F65\u03B9','\u1FA6':'\u1F66\u03B9','\u1FA7':'\u1F67\u03B9','\u1FA8':'\u1F60\u03B9','\u1FA9':'\u1F61\u03B9','\u1FAA':'\u1F62\u03B9','\u1FAB':'\u1F63\u03B9','\u1FAC':'\u1F64\u03B9','\u1FAD':'\u1F65\u03B9','\u1FAE':'\u1F66\u03B9','\u1FAF':'\u1F67\u03B9','\u1FB2':'\u1F70\u03B9','\u1FB3':'\u03B1\u03B9','\u1FB4':'\u03AC\u03B9','\u1FB6':'\u03B1\u0342','\u1FB7':'\u03B1\u0342\u03B9','\u1FBC':'\u03B1\u03B9','\u1FC2':'\u1F74\u03B9','\u1FC3':'\u03B7\u03B9','\u1FC4':'\u03AE\u03B9','\u1FC6':'\u03B7\u0342','\u1FC7':'\u03B7\u0342\u03B9','\u1FCC':'\u03B7\u03B9','\u1FD2':'\u03B9\u0308\u0300','\u1FD3':'\u03B9\u0308\u0301','\u1FD6':'\u03B9\u0342','\u1FD7':'\u03B9\u0308\u0342','\u1FE2':'\u03C5\u0308\u0300','\u1FE3':'\u03C5\u0308\u0301','\u1FE4':'\u03C1\u0313','\u1FE6':'\u03C5\u0342','\u1FE7':'\u03C5\u0308\u0342','\u1FF2':'\u1F7C\u03B9','\u1FF3':'\u03C9\u03B9','\u1FF4':'\u03CE\u03B9','\u1FF6':'\u03C9\u0342','\u1FF7':'\u03C9\u0342\u03B9','\u1FFC':'\u03C9\u03B9','\uFB00':'ff','\uFB01':'fi','\uFB02':'fl','\uFB03':'ffi','\uFB04':'ffl','\uFB05':'st','\uFB06':'st','\uFB13':'\u0574\u0576','\uFB14':'\u0574\u0565','\uFB15':'\u0574\u056B','\uFB16':'\u057E\u0576','\uFB17':'\u0574\u056D'};
+
+var reWhite = /^[ \t\r\n]/;
+
+// Normalize reference label: collapse internal whitespace
+// to single space, remove leading/trailing whitespace, case fold.
+module.exports = function(string) {
+    return string.trim().replace(regex, function($0) {
+        // Note: there is no need to check `hasOwnProperty($0)` here.
+        // If character not found in lookup table, it must be whitespace.
+        return map[$0] || ' ';
+    });
+};