This method is called between the addition of the select-all menu-item and before the addition of the find menu-item to the edit-menu menu. Override it to add additional menus at that point.
Adds in methods: ``Insert Text Box'', ``Insert Pasteboard Box'', ``Insert Image...'' and ``Toggle Wrap Text''. The first three call do-edit-operation with 'insert-text-box, 'insert-pasteboard-box, and 'insert-image, respectively. The item ``Toggle Wrap Text'' toogles the wrapping state of the editor by calling auto-wrap.