08-27-周三_17-09-29
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190
node_modules/prismjs/plugins/normalize-whitespace/prism-normalize-whitespace.js
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vendored
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190
node_modules/prismjs/plugins/normalize-whitespace/prism-normalize-whitespace.js
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(function() {
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var assign = Object.assign || function (obj1, obj2) {
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for (var name in obj2) {
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if (obj2.hasOwnProperty(name))
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obj1[name] = obj2[name];
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}
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return obj1;
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}
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function NormalizeWhitespace(defaults) {
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this.defaults = assign({}, defaults);
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}
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function toCamelCase(value) {
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return value.replace(/-(\w)/g, function(match, firstChar) {
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return firstChar.toUpperCase();
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});
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}
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function tabLen(str) {
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var res = 0;
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for (var i = 0; i < str.length; ++i) {
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if (str.charCodeAt(i) == '\t'.charCodeAt(0))
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res += 3;
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}
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return str.length + res;
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}
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NormalizeWhitespace.prototype = {
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setDefaults: function (defaults) {
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this.defaults = assign(this.defaults, defaults);
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},
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normalize: function (input, settings) {
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settings = assign(this.defaults, settings);
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for (var name in settings) {
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var methodName = toCamelCase(name);
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if (name !== "normalize" && methodName !== 'setDefaults' &&
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settings[name] && this[methodName]) {
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input = this[methodName].call(this, input, settings[name]);
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}
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}
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return input;
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},
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/*
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* Normalization methods
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*/
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leftTrim: function (input) {
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return input.replace(/^\s+/, '');
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},
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rightTrim: function (input) {
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return input.replace(/\s+$/, '');
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},
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tabsToSpaces: function (input, spaces) {
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spaces = spaces|0 || 4;
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return input.replace(/\t/g, new Array(++spaces).join(' '));
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},
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spacesToTabs: function (input, spaces) {
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spaces = spaces|0 || 4;
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return input.replace(RegExp(' {' + spaces + '}', 'g'), '\t');
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},
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removeTrailing: function (input) {
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return input.replace(/\s*?$/gm, '');
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},
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// Support for deprecated plugin remove-initial-line-feed
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removeInitialLineFeed: function (input) {
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return input.replace(/^(?:\r?\n|\r)/, '');
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},
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removeIndent: function (input) {
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var indents = input.match(/^[^\S\n\r]*(?=\S)/gm);
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if (!indents || !indents[0].length)
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return input;
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indents.sort(function(a, b){return a.length - b.length; });
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if (!indents[0].length)
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return input;
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return input.replace(RegExp('^' + indents[0], 'gm'), '');
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},
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indent: function (input, tabs) {
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return input.replace(/^[^\S\n\r]*(?=\S)/gm, new Array(++tabs).join('\t') + '$&');
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},
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breakLines: function (input, characters) {
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characters = (characters === true) ? 80 : characters|0 || 80;
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var lines = input.split('\n');
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for (var i = 0; i < lines.length; ++i) {
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if (tabLen(lines[i]) <= characters)
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continue;
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var line = lines[i].split(/(\s+)/g),
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len = 0;
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for (var j = 0; j < line.length; ++j) {
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var tl = tabLen(line[j]);
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len += tl;
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if (len > characters) {
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line[j] = '\n' + line[j];
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len = tl;
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}
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}
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lines[i] = line.join('');
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}
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return lines.join('\n');
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}
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};
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// Support node modules
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = NormalizeWhitespace;
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}
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// Exit if prism is not loaded
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if (typeof Prism === 'undefined') {
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return;
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}
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Prism.plugins.NormalizeWhitespace = new NormalizeWhitespace({
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'remove-trailing': true,
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'remove-indent': true,
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'left-trim': true,
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'right-trim': true,
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/*'break-lines': 80,
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'indent': 2,
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'remove-initial-line-feed': false,
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'tabs-to-spaces': 4,
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'spaces-to-tabs': 4*/
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});
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Prism.hooks.add('before-sanity-check', function (env) {
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var Normalizer = Prism.plugins.NormalizeWhitespace;
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// Check settings
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if (env.settings && env.settings['whitespace-normalization'] === false) {
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return;
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}
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// Simple mode if there is no env.element
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if ((!env.element || !env.element.parentNode) && env.code) {
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env.code = Normalizer.normalize(env.code, env.settings);
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return;
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}
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// Normal mode
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var pre = env.element.parentNode;
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var clsReg = /(?:^|\s)no-whitespace-normalization(?:\s|$)/;
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if (!env.code || !pre || pre.nodeName.toLowerCase() !== 'pre' ||
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clsReg.test(pre.className) || clsReg.test(env.element.className))
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return;
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var children = pre.childNodes,
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before = '',
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after = '',
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codeFound = false;
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// Move surrounding whitespace from the <pre> tag into the <code> tag
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for (var i = 0; i < children.length; ++i) {
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var node = children[i];
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if (node == env.element) {
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codeFound = true;
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} else if (node.nodeName === "#text") {
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if (codeFound) {
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after += node.nodeValue;
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} else {
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before += node.nodeValue;
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}
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pre.removeChild(node);
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--i;
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}
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}
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if (!env.element.children.length || !Prism.plugins.KeepMarkup) {
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env.code = before + env.code + after;
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env.code = Normalizer.normalize(env.code, env.settings);
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} else {
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// Preserve markup for keep-markup plugin
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var html = before + env.element.innerHTML + after;
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env.element.innerHTML = Normalizer.normalize(html, env.settings);
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env.code = env.element.textContent;
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}
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});
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}());
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1
node_modules/prismjs/plugins/normalize-whitespace/prism-normalize-whitespace.min.js
generated
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Normal file
1
node_modules/prismjs/plugins/normalize-whitespace/prism-normalize-whitespace.min.js
generated
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@@ -0,0 +1 @@
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!function(){var i=Object.assign||function(e,n){for(var t in n)n.hasOwnProperty(t)&&(e[t]=n[t]);return e};function e(e){this.defaults=i({},e)}function l(e){for(var n=0,t=0;t<e.length;++t)e.charCodeAt(t)=="\t".charCodeAt(0)&&(n+=3);return e.length+n}e.prototype={setDefaults:function(e){this.defaults=i(this.defaults,e)},normalize:function(e,n){for(var t in n=i(this.defaults,n)){var r=t.replace(/-(\w)/g,function(e,n){return n.toUpperCase()});"normalize"!==t&&"setDefaults"!==r&&n[t]&&this[r]&&(e=this[r].call(this,e,n[t]))}return e},leftTrim:function(e){return e.replace(/^\s+/,"")},rightTrim:function(e){return e.replace(/\s+$/,"")},tabsToSpaces:function(e,n){return n=0|n||4,e.replace(/\t/g,new Array(++n).join(" "))},spacesToTabs:function(e,n){return n=0|n||4,e.replace(RegExp(" {"+n+"}","g"),"\t")},removeTrailing:function(e){return e.replace(/\s*?$/gm,"")},removeInitialLineFeed:function(e){return e.replace(/^(?:\r?\n|\r)/,"")},removeIndent:function(e){var n=e.match(/^[^\S\n\r]*(?=\S)/gm);return n&&n[0].length?(n.sort(function(e,n){return e.length-n.length}),n[0].length?e.replace(RegExp("^"+n[0],"gm"),""):e):e},indent:function(e,n){return e.replace(/^[^\S\n\r]*(?=\S)/gm,new Array(++n).join("\t")+"$&")},breakLines:function(e,n){n=!0===n?80:0|n||80;for(var t=e.split("\n"),r=0;r<t.length;++r)if(!(l(t[r])<=n)){for(var i=t[r].split(/(\s+)/g),o=0,a=0;a<i.length;++a){var s=l(i[a]);n<(o+=s)&&(i[a]="\n"+i[a],o=s)}t[r]=i.join("")}return t.join("\n")}},"undefined"!=typeof module&&module.exports&&(module.exports=e),"undefined"!=typeof Prism&&(Prism.plugins.NormalizeWhitespace=new e({"remove-trailing":!0,"remove-indent":!0,"left-trim":!0,"right-trim":!0}),Prism.hooks.add("before-sanity-check",function(e){var n=Prism.plugins.NormalizeWhitespace;if(!e.settings||!1!==e.settings["whitespace-normalization"])if(e.element&&e.element.parentNode||!e.code){var t=e.element.parentNode,r=/(?:^|\s)no-whitespace-normalization(?:\s|$)/;if(e.code&&t&&"pre"===t.nodeName.toLowerCase()&&!r.test(t.className)&&!r.test(e.element.className)){for(var i=t.childNodes,o="",a="",s=!1,l=0;l<i.length;++l){var c=i[l];c==e.element?s=!0:"#text"===c.nodeName&&(s?a+=c.nodeValue:o+=c.nodeValue,t.removeChild(c),--l)}if(e.element.children.length&&Prism.plugins.KeepMarkup){var u=o+e.element.innerHTML+a;e.element.innerHTML=n.normalize(u,e.settings),e.code=e.element.textContent}else e.code=o+e.code+a,e.code=n.normalize(e.code,e.settings)}}else e.code=n.normalize(e.code,e.settings)}))}();
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