Bug 40772 [plan item] Smart tab on empty lines
When having the caret on an empty line, pressing tab cleans up the line and sets the caret it the right indentation column.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
} catch (JavaModelException x) {
				if (!x.isDoesNotExist())
				JavaPlugin.log(x.getStatus());
				
			}
		}
		
		return null;
	}
	
	/*
	 * @see JavaEditor#getCorrespondingElement(IJavaElement)
	 */
	protected IJavaElement getCorrespondingElement(IJavaElement element) {
		try {
			return EditorUtility.getWorkingCopy(element, true);
		} catch (JavaModelException x) {
			JavaPlugin.log(x.getStatus());
			
		}
		return null;
	}
	
	/*
	 * @see AbstractTextEditor#editorContextMenuAboutToShow(IMenuManager)
	 */
	public void editorContextMenuAboutToShow(IMenuManager menu) {
		super.editorContextMenuAboutToShow(menu);		
				
		ActionContext context= new ActionContext(getSelectionProvider().getSelection());