super(parent, styles, mp);
super(parent, styles + SWT.LEFT_TO_RIGHT, mp);
	public JavaMergeViewer(Composite parent, int styles, CompareConfiguration mp) {		super(parent, styles, mp);				fPreferenceStore= JavaPlugin.getDefault().getCombinedPreferenceStore();		if (fPreferenceStore != null) {			 fPreferenceChangeListener= new IPropertyChangeListener() {				public void propertyChange(PropertyChangeEvent event) {					handlePropertyChange(event);				}			};			fPreferenceStore.addPropertyChangeListener(fPreferenceChangeListener);		}				fUseSystemColors= fPreferenceStore.getBoolean(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT);		if (! fUseSystemColors) {			RGB bg= createColor(fPreferenceStore, AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND);			setBackgroundColor(bg);			RGB fg= createColor(fPreferenceStore, IJavaColorConstants.JAVA_DEFAULT);			setForegroundColor(fg);		}	}