edit-menu:between-select-all-and-find in frame:standard-menus<%>
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.
( -> void
send a-frame:standard-menus edit-menu:between-select-all-and-find menu)
menu : (instance (derived-from menu%))
Adds a separator menu item.