--- /dev/null
+<!doctype html>
+<html>
+ <head>
+ <meta charset="utf-8">
+ <title>CodeMirror: Trailing Whitespace Demo</title>
+ <link rel="stylesheet" href="../lib/codemirror.css">
+ <script src="../lib/codemirror.js"></script>
+ <script src="../addon/edit/trailingspace.js"></script>
+ <link rel="stylesheet" href="../doc/docs.css">
+
+ <style type="text/css">
+ .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}
+ .cm-trailingspace {
+ background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAACCAYAAAB/qH1jAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3QUXCToH00Y1UgAAACFJREFUCNdjPMDBUc/AwNDAAAFMTAwMDA0OP34wQgX/AQBYgwYEx4f9lQAAAABJRU5ErkJggg==);
+ background-position: bottom left;
+ background-repeat: repeat-x;
+ }
+ </style>
+ </head>
+ <body>
+ <h1>CodeMirror: Trailing Whitespace Demo</h1>
+
+ <form><textarea id="code" name="code">This text
+ has some
+trailing whitespace!</textarea></form>
+
+ <script>
+var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
+ lineNumbers: true,
+ showTrailingSpace: true
+});
+</script>
+
+<p>Uses
+the <a href="../doc/manual.html#addon_trailingspace">trailingspace</a>
+addon to highlight trailing whitespace.</p>
+
+ </body>
+</html>