Bug 315089 HandledMenuItem can inherit command name
If you specify a command you don't have to specify a label. PW
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/MenuItemRenderer.java
final MMenuItem item = (MMenuItem) me;
			final MContribution contrib = (MContribution) me;
			final IEclipseContext lclContext = getContext(me);
			MenuItem mi = (MenuItem) me.getWidget();
			mi.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					if (contrib.getObject() == null) {
						IContributionFactory cf = (IContributionFactory) lclContext
								.get(IContributionFactory.class.getName());
						contrib.setObject(cf.create(
								contrib.getContributionURI(), lclContext));
					}
					lclContext.set(MItem.class.getName(), item);
					ContextInjectionFactory.invoke(contrib.getObject(),
							Execute.class, lclContext);
					lclContext.remove(MItem.class.getName());
				}
				public void widgetDefaultSelected(SelectionEvent e) {
				}
			});
		} else if (me instanceof MHandledItem) {
			final MHandledItem item = (MHandledItem) me;
			final IEclipseContext lclContext = getContext(me);
			MenuItem mi = (MenuItem) me.getWidget();
			mi.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					EHandlerService service = (EHandlerService) lclContext
							.get(EHandlerService.class.getName());
					ParameterizedCommand cmd = item.getWbCommand();
					if (cmd == null) {