Get dartdoc in the SDK and working correctly.

lib/dartdoc/client-shared.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Code shared between the different client-side libraries.
 
 /**
  * Finds all code blocks and makes them toggleable. Syntax highlights each
  * code block the first time it's shown.
  */
 enableCodeBlocks() {
@@ skipping 12 matching lines @@
         // Syntax highlight.
         if (!pre.classes.contains('formatted')) {
           pre.innerHTML = classifySource(new frog.SourceFile('', pre.text));
           pre.classes.add('formatted');
         };
         pre.classes.add('expanded');
       }
     });
   }
 }