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History of 2020-05-03 Help in read-string

2020-05-03
		07:08 UTC Revision 1 . . . . Marcin Borkowski – Last week I wrote about making Emacs ask for parameters for lp when printing from pdf-tools. The only thing missing was some kind of help for lp, which is far from intuitive. I figured that it would be best if I could somehow make read-string display some help string when some key was pressed, even in the midst of editing in the minibuffer. (Preferably, the key would be C-h, which is Emacs’ default for “help”.) And guess what? This is Emacs. Not only is such a feature possible, it is actually built-in!