For Stallman's case, surely there is an emacs command to copy the the whole frame, mode line and all, to text for pasting into a mail buffer.
But seriously, it does make me wonder how much of the vast system he retains and uses. Using it for a decade, myself, (certainly not working ON it or understanding the internals) I learn new parts every month but forget a lot, too.
>>shoove+(OP)
There is [1]. I'd like to find a package that saves the layout in a form that regenerates the screenshot in a terminal when you cat the text file it outputs.