return new JavaSourceViewer(parent, verticalRuler, getOverviewRuler(), isPrefOverviewRulerVisible(), styles);
return new JavaSourceViewer(parent, verticalRuler, getOverviewRuler(), isOverviewRulerVisible(), styles);
	protected ISourceViewer createJavaSourceViewer(Composite parent, IVerticalRuler verticalRuler, IOverviewRuler overviewRuler, boolean isOverviewRulerVisible, int styles) {		return new JavaSourceViewer(parent, verticalRuler, getOverviewRuler(), isPrefOverviewRulerVisible(), styles);	}