Bug 67811 Need support for adding separators to the help menu
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
projectPropertyDialogAction.dispose();
        newWizardAction.dispose();
        newWizardDropDownAction.dispose();
        importResourcesAction.dispose();
        exportResourcesAction.dispose();
        cleanAction.dispose();
        toggleAutoBuildAction.dispose();
        buildAllAction.dispose();
        if (quickStartAction != null) {
            quickStartAction.dispose();
        }
        if (tipsAndTricksAction != null) {
            tipsAndTricksAction.dispose();
        }
        addBookmarkAction.dispose();
        addTaskAction.dispose();
        buildProjectAction.dispose();
        openProjectAction.dispose();
        closeProjectAction.dispose();
        pinEditorContributionItem.dispose();
        if (introAction != null) {
            introAction.dispose();
        }
        showInQuickMenu.dispose();
        newQuickMenu.dispose();
        
        closeAction = null;
        closeAllAction = null;
        closeAllSavedAction = null;
        saveAction = null;