GPQAPP

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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// Depends on htmlhint.js from http://htmlhint.com/js/htmlhint.js
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// declare global: HTMLHint
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"), require("htmlhint"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror", "htmlhint"], mod);
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  else // Plain browser env
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    mod(CodeMirror, window.HTMLHint);
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})(function(CodeMirror, HTMLHint) {
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  "use strict";
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  var defaultRules = {
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    "tagname-lowercase": true,
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    "attr-lowercase": true,
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    "attr-value-double-quotes": true,
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    "doctype-first": false,
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    "tag-pair": true,
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    "spec-char-escape": true,
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    "id-unique": true,
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    "src-not-empty": true,
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    "attr-no-duplication": true
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  };
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  CodeMirror.registerHelper("lint", "html", function(text, options) {
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    var found = [];
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    if (HTMLHint && !HTMLHint.verify) {
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      if(typeof HTMLHint.default !== 'undefined') {
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        HTMLHint = HTMLHint.default;
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      } else {
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        HTMLHint = HTMLHint.HTMLHint;
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      }
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    }
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    if (!HTMLHint) HTMLHint = window.HTMLHint;
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    if (!HTMLHint) {
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      if (window.console) {
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          window.console.error("Error: HTMLHint not found, not defined on window, or not available through define/require, CodeMirror HTML linting cannot run.");
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      }
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      return found;
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    }
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    var messages = HTMLHint.verify(text, options && options.rules || defaultRules);
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    for (var i = 0; i < messages.length; i++) {
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      var message = messages[i];
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      var startLine = message.line - 1, endLine = message.line - 1, startCol = message.col - 1, endCol = message.col;
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      found.push({
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        from: CodeMirror.Pos(startLine, startCol),
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        to: CodeMirror.Pos(endLine, endCol),
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        message: message.message,
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        severity : message.type
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      });
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    }
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    return found;
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  });
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});
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