fExitStrategy.install();
fExitStrategy.arm(fEditor.getViewer());
		public void beginCompoundEdit() {			if (fEditInProgress || fEditor == null)				return;			fEditInProgress= true;			fExitStrategy.install();			IRewriteTarget target= (IRewriteTarget)fEditor.getAdapter(IRewriteTarget.class);			if (target != null) {				target.beginCompoundChange();			}		}