Bug 229351 [Contributions] Customize Perspective dialog removes menu entires
I20080429-0100. (works in 3.4 M6a) 1. start fresh workspace 2. verify that the 'Edit' menu contains, e.g. Cut, Copy, Paste 3. Window > Customize Perspective... 4. click 'Cancel' (alternatively you can go and edit, then click 'OK') 5. observe: menu entries are gone from the 'Edit' menu The user has to restart in order to get the menu working again.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
subMenu.add(nextPerspectiveAction);
        subMenu.add(prevPerspectiveAction);
    }
    /**
	 * Creates and returns the Help menu.
	 */
	private MenuManager createHelpMenu() {
		MenuManager menu = new MenuManager(IDEWorkbenchMessages.Workbench_help, IWorkbenchActionConstants.M_HELP);
		addSeparatorOrGroupMarker(menu, "group.intro"); 
		
		if (introAction != null) {
			menu.add(introAction);
		} else if (quickStartAction != null) {
			menu.add(quickStartAction);
		}
		menu.add(new GroupMarker("group.intro.ext")); 
		addSeparatorOrGroupMarker(menu, "group.main"); 
		menu.add(helpContentsAction);
        menu.add(helpSearchAction);
		menu.add(dynamicHelpAction);
		addSeparatorOrGroupMarker(menu, "group.assist"); 
		
		if (tipsAndTricksAction != null) {
			menu.add(tipsAndTricksAction);
		}
		
		
		menu.add(new GroupMarker(IWorkbenchActionConstants.HELP_START));
		menu.add(new GroupMarker("group.main.ext")); 
		addSeparatorOrGroupMarker(menu, "group.tutorials");