Hi Andreas, I understand that and tried to specifically address that point in my report. But I could have been clearer. I think that a change in this regard, even the minimal one I proposed, is worthwhile for at least two reasons. First, because setting help-char to ?\M-\C-h works in terms of its main functionality (acting as a help character), it seems unnecessary for it to break a dired operation because of the formatting of a string. Second, if the function is going to be doctrinaire about help-char's type, then it has an obligation, I think, to recognize that not everyone uses a help "char" and might use help-event-list instead. It should then still do a characterp to avoid an error in those cases, possibly using the car of help-event-list for the error message when the characterp call returns false. This is not that different from my proposed change, and I'd be happy with that. On the broader question, I would also argue that help-char should be "help-event" or "help-keyboard-event". This is an example of one of the things in emacs that are IMHO too closely tied to the default keymap. I set C-h to delete-backward-char, M-h to backward-kill-word, and C-M-h to help char. This is a quite efficient arrangement and should not cause breakage in simple services just because it deviates from the default. This is Emacs after all. (Also, from the naive user's viewpoint, there is not that much difference between specifying ?\M-\C-h and ?\C-h. They both *look* like characters.) -- Chris On Fri, Dec 2, 2011 at 03:36, Andreas Schwab wrote: > Christopher Genovese writes: > > > For example, I set my help-char to ?\M-\C-h, which works fine in general. > > But despite looking like a character, ?\M-\C-h does not satisfy > > #'characterp, which causes > > the problem. Technically perhaps, help-char should be a character but > from > > the user's point > > of view, both of these should qualify. > > ?\M-\C-h isn't a character, it is a character with modifiers, and as > such does not qualify. A character is something which can be inserted > in a buffer or string as-is, for example. > > Andreas. > > -- > Andreas Schwab, schwab@linux-m68k.org > GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 > "And now for something completely different." >