Code completion improvements.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/ScopedNameFinder.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/ScopedNameFinder.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/ScopedNameFinder.java	(revision 7347)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/completion/ScopedNameFinder.java	(working copy)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, the Dart project authors.
+ * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
@@ -324,6 +324,6 @@
       // assume nodes without source position are in range
       return true;
     }
-    return start <= position;
+    return start <= position && node.getSourceInfo().getEnd() < position;
   }
 }