bool addToToolbarAndSave(KXmlGuiWindow *mainWindow);
/**
- * Different to the primary UrlNavigator, the secondary UrlNavigator is only created on-demand.
+ * The secondary UrlNavigator is only created on-demand. Such an action is not necessary
+ * for the primary UrlNavigator which is created preemptively.
+ *
+ * This method should preferably only be called when:
+ * - Split view is activated in the active tab
+ * OR
+ * - A switch to a tab that is already in split view mode is occuring
*/
void createSecondaryUrlNavigator();