Bug 10550 Hilight cursor row (accessibility for the visually impaired)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
*/
		public void doOperation(int operation) {
		
			if (getTextWidget() == null)
				return;
			
			switch (operation) {
				case CONTENTASSIST_PROPOSALS:
					String msg= fContentAssistant.showPossibleCompletions();
					setStatusLineErrorMessage(msg);
					return;
			}
			
			super.doOperation(operation);
		}
	};
	
	
	private final static String CODE_FORMATTER_TAB_SIZE= "org.eclipse.jdt.core.formatter.tabulation.size";	
	
	private final static String CODE_FORMATTER_TAB_CHAR= "org.eclipse.jdt.core.formatter.tabulation.char";	
	
	public final static String MATCHING_BRACKETS=  "matchingBrackets";
	
	public final static String MATCHING_BRACKETS_COLOR=  "matchingBracketsColor";
	
	
	
	
	protected ISelectionChangedListener fStatusLineClearer;