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							<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CodeMirror: Breakpoint Demo</title>
    <link rel="stylesheet" href="../lib/codemirror.css">
    <script src="../lib/codemirror.js"></script>
    <script src="../mode/javascript/javascript.js"></script>
    <link rel="stylesheet" href="../doc/docs.css">

    <style type="text/css">
      .breakpoints {width: .8em;}
      .breakpoint { color: #822; }
      .CodeMirror {border: 1px solid #aaa;}
    </style>
  </head>
  <body>
    <h1>CodeMirror: Breakpoint demo</h1>

    <form><textarea id="code" name="code">
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
  lineNumbers: true,
  gutters: ["CodeMirror-linenumbers", "breakpoints"]
});
editor.on("gutterClick", function(cm, n) {
  var info = cm.lineInfo(n);
  cm.setGutterMarker(n, "breakpoints", info.markers ? null : makeMarker());
});

function makeMarker() {
  var marker = document.createElement("div");
  marker.innerHTML = "●";
  marker.className = "breakpoint";
  return marker;
}
</textarea></form>

<p>Click the line-number gutter to add or remove 'breakpoints'.</p>

    <script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
  lineNumbers: true,
  gutters: ["CodeMirror-linenumbers", "breakpoints"]
});
editor.on("gutterClick", function(cm, n) {
  var info = cm.lineInfo(n);
  cm.setGutterMarker(n, "breakpoints", info.gutterMarkers ? null : makeMarker());
});

function makeMarker() {
  var marker = document.createElement("div");
  marker.style.color = "#822";
  marker.innerHTML = "●";
  return marker;
}
    </script>

  </body>
</html>