Bug 4369 F2 should work even if "Hide Text Hover" is enabled
- enable "Hide Text Hover" - position the cursor on a type - press F2 observe: nothing happens although I explicitly requested JavaDoc help.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
public void mouseDoubleClick(MouseEvent e) {
		}
		
		/*
		 * @see MouseListener#mouseDown(MouseEvent)
		 */
		public void mouseDown(MouseEvent e) {
		}
		
		/*
		 * @see MouseListener#mouseUp(MouseEvent)
		 */
		public void mouseUp(MouseEvent e) {
			fHighlightBrackets.run();
		}
		
		/*
		 * @see ISelectionChangedListener#selectionChanged(SelectionChangedEvent)
		 */
		public void selectionChanged(SelectionChangedEvent event) {
			fHighlightBrackets.run();
		}
		
		/*
		 * @see ITextListener#textChanged(TextEvent)
		 */
		public void textChanged(TextEvent event) {
			fTextChanged= true;
			Control control= fSourceViewer.getTextWidget();
			if (control != null) {