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
IDEActionFactory.ADD_TASK.getId(),
				addTaskId,
				null,
				null,
				null,
				null, IDEWorkbenchMessages.Workbench_addTask, null,
				IDEWorkbenchMessages.Workbench_addTaskToolTip,
				CommandContributionItem.STYLE_PUSH, null, false);
        addTaskItem = new CommandContributionItem(addTaskParm);
        acms.map(IDEActionFactory.ADD_TASK.getId(), addTaskId);
        String deleteId = "org.eclipse.ui.edit.delete"; 
		CommandContributionItemParameter deleteParm = new CommandContributionItemParameter(
				window,
				ActionFactory.DELETE.getId(),
				deleteId,
				null,
				sharedImages.getImageDescriptor(ISharedImages.IMG_TOOL_DELETE),
				sharedImages
						.getImageDescriptor(ISharedImages.IMG_TOOL_DELETE_DISABLED),
				null, WorkbenchMessages.Workbench_delete, null,
				WorkbenchMessages.Workbench_deleteToolTip,
				CommandContributionItem.STYLE_PUSH, 
				IWorkbenchHelpContextIds.DELETE_RETARGET_ACTION, false);
        deleteItem = new CommandContributionItem(deleteParm);
        acms.map(ActionFactory.DELETE.getId(), deleteId);
        makeFeatureDependentActions(window);
        
        showViewMenuAction = ActionFactory.SHOW_VIEW_MENU.create(window);
        register(showViewMenuAction);
        showPartPaneMenuAction = ActionFactory.SHOW_PART_PANE_MENU