Bug 81083 [preferences] Mark Occurences enablement not adhered to
I200412142000 - open preference page with Mark Occurences preferences - enable Mark Occurences - Apply - Restore Defaults - OK -> toolbar shows Mark Occurences as 'enabled', editor marks occurences -> on preference page the preference is disabled
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
}
		return super.getStatusMessage(status);
	}
	
	/*
	 * @see AbstractTextEditor#doSetInput
	 */
	protected void doSetInput(IEditorInput input) throws CoreException {
		ISourceViewer sourceViewer= getSourceViewer();
		if (!(sourceViewer instanceof ISourceViewerExtension2)) {
			setPreferenceStore(createCombinedPreferenceStore(input));
			internalDoSetInput(input);
			return;
		}
		
		getSourceViewerDecorationSupport(sourceViewer).uninstall();
		((ISourceViewerExtension2)sourceViewer).unconfigure();
		
		setPreferenceStore(createCombinedPreferenceStore(input));
		
		 
		sourceViewer.configure(getSourceViewerConfiguration());
		getSourceViewerDecorationSupport(sourceViewer).install(getPreferenceStore());
		
		internalDoSetInput(input);
	}
	
	private void internalDoSetInput(IEditorInput input) throws CoreException {
		super.doSetInput(input);