Handle incremental diagnostics.

dart/site/try/src/decoration.dart

 // Copyright (c) 2013, 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.
 
 library trydart.decoration;
 
 import 'dart:html';
 
 import 'shadow_root.dart' show
     setShadowRoot;
@@ skipping 62 matching lines @@
   }
 }
 
 createAlert(text, [String cls]) {
   var classes = ['alert'];
   if (cls != null) {
     classes.add(cls);
   }
   SpanElement result = new SpanElement()
       ..classes.addAll(classes)
-      ..style.opacity = '0.75';
+      ..style.fontWeight = 'normal';
   setShadowRoot(result, text);
   return result;
 }
 
 info(text) => createAlert(text, 'alert-info');
 
 error(text) => createAlert(text, 'alert-error');
 
 warning(text) => createAlert(text);
 
@@ skipping 18 matching lines @@
 
   Element applyTo(text) {
     var codeCompletion = new DivElement()
         ..contentEditable = 'false'
         ..classes.add('dart-code-completion');
     return super.applyTo(text)
         ..classes.add('dart-code-completion-holder')
         ..nodes.add(codeCompletion);
   }
 }