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
menu.add(quitItem);
		menu.add(new GroupMarker(IWorkbenchActionConstants.FILE_END));
		return menu;
    }
    /**
	 * Creates and returns the Edit menu.
	 */
    private MenuManager createEditMenu() {
        MenuManager menu = new MenuManager(IDEWorkbenchMessages.Workbench_edit, IWorkbenchActionConstants.M_EDIT);
        menu.add(new GroupMarker(IWorkbenchActionConstants.EDIT_START));
        menu.add(undoAction);
        menu.add(redoAction);
        menu.add(new GroupMarker(IWorkbenchActionConstants.UNDO_EXT));
        menu.add(new Separator());
        menu.add(cutItem);
        menu.add(copyItem);
        menu.add(pasteItem);
        menu.add(new GroupMarker(IWorkbenchActionConstants.CUT_EXT));
        menu.add(new Separator());
        menu.add(deleteItem);
        menu.add(selectAllItem);
        menu.add(new Separator());
        menu.add(findItem);
        menu.add(new GroupMarker(IWorkbenchActionConstants.FIND_EXT));
        menu.add(new Separator());
        menu.add(addBookmarkItem);
        menu.add(addTaskItem);
        menu.add(new GroupMarker(IWorkbenchActionConstants.ADD_EXT));
        menu.add(new GroupMarker(IWorkbenchActionConstants.EDIT_END));
        menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));