Bug 90528 Editor icon does not show problem decoration for second instance
3.1 M6 - open a .java file that has errors or warnings - the editor tab icon has the problem decoration - Window > New Window - open the same file in the new window - the editor tab icon is missing the problem decoration
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
}
		private boolean isAngularIntroducer(String identifier) {
			return identifier.length() > 0
					&& (Character.isUpperCase(identifier.charAt(0)) 
							|| identifier.startsWith("final") 
							|| identifier.startsWith("public") 
							|| identifier.startsWith("public") 
							|| identifier.startsWith("protected") 
							|| identifier.startsWith("private")); 
		}
		
		/*
		 * @see org.eclipse.swt.custom.VerifyKeyListener#verifyKey(org.eclipse.swt.events.VerifyEvent)
		 */
		public void verifyKey(VerifyEvent event) {			
			
			if (!event.doit || getInsertMode() != SMART_INSERT)
				return;
			switch (event.character) {
				case '(':
				case '<':
				case '[':
				case '\'':
				case '\"':
					break;
				default:
					return;
			}
				
			final ISourceViewer sourceViewer= getSourceViewer();