I would like to broaden this to add other missing features to the menus. I have no need for this, but I would like history-next/prev added (to shell, as they only apply there). I never learned them because at first I did not know about them and now it is more bother to select options/configure/keys/scroll-down to find the key binding than to click/return. When I get a new program, I often look through the menus to see what is available, so if things are hidden, how do I find out about them?

Does IDle or tkinter or tk automatically add the key shortcuts?

I notice that some key bindings include lower and upper case, some do not. (History next/prev do not.) Is there a reason to not make all cntl/alt bindings case insensitive, and is there an issue for this?