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File: D:/HostingSpaces/EBos/ellen-paragnost.nl/wwwroot/asp/codemirror/demo/folding.html
<!doctype html>

<title>CodeMirror: Code Folding Demo</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../doc/docs.css">

<link rel="stylesheet" href="../lib/codemirror.css">
<link rel="stylesheet" href="../addon/fold/foldgutter.css" />
<script src="../lib/codemirror.js"></script>
<script src="../addon/fold/foldcode.js"></script>
<script src="../addon/fold/foldgutter.js"></script>
<script src="../addon/fold/brace-fold.js"></script>
<script src="../addon/fold/xml-fold.js"></script>
<script src="../addon/fold/comment-fold.js"></script>
<script src="../mode/javascript/javascript.js"></script>
<script src="../mode/xml/xml.js"></script>
<style type="text/css">
      .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}
</style>
<div id=nav>
  <a href="http://codemirror.net"><img id=logo src="../doc/logo.png"></a>

  <ul>
    <li><a href="../index.html">Home</a>
    <li><a href="../doc/manual.html">Manual</a>
    <li><a href="https://github.com/marijnh/codemirror">Code</a>
  </ul>
  <ul>
    <li><a class=active href="#">Code Folding</a>
  </ul>
</div>

<article>
<h2>Code Folding Demo</h2>
<form>
      <div style="max-width: 50em; margin-bottom: 1em">JavaScript:<br><textarea id="code" name="code"></textarea></div>
      <div style="max-width: 50em">HTML:<br><textarea id="code-html" name="code-html"></textarea></div>
    </form>
    <script id="script">
/*
 * Demonstration of code folding
 */
window.onload = function() {
  var te = document.getElementById("code");
  var sc = document.getElementById("script");
  te.value = (sc.textContent || sc.innerText || sc.innerHTML).replace(/^\s*/, "");
  sc.innerHTML = "";
  var te_html = document.getElementById("code-html");
  te_html.value = "<html>\n  " + document.documentElement.innerHTML + "\n</html>";

  window.editor = CodeMirror.fromTextArea(te, {
    mode: "javascript",
    lineNumbers: true,
    lineWrapping: true,
    extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }},
    foldGutter: {
    	rangeFinder: new CodeMirror.fold.combine(CodeMirror.fold.brace, CodeMirror.fold.comment)
    },
    gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"]
  });
  editor.foldCode(CodeMirror.Pos(8, 0));

  window.editor_html = CodeMirror.fromTextArea(te_html, {
    mode: "text/html",
    lineNumbers: true,
    lineWrapping: true,
    extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }},
    foldGutter: true,
    gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"]
  });
  editor_html.foldCode(CodeMirror.Pos(13, 0));
  editor_html.foldCode(CodeMirror.Pos(1, 0));
};
</script>
  </article>