[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#50785: 28.0.50; error doesn't use help-key-binding face from substit
From: |
Stefan Kangas |
Subject: |
bug#50785: 28.0.50; error doesn't use help-key-binding face from substitute-command-keys |
Date: |
Mon, 29 Aug 2022 10:32:45 -0700 |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> The error message are output (by default) by print_error_message. It
> simply does `princ' on the string with a PRINTCHARFUN of t, which is the
> minibuffer. And if you do that, then you lose the text properties:
>
> (defun foo2 ()
> (interactive)
> (princ (substitute-command-keys "Use \\[next-line]") t))
>
> We probably don't want to change something as fundamental as that, so if
> we want to fix this, we have to change print_error_message to just call
> Fmessage instead, I guess?
That's the fix we've used on a Lisp level -- avoiding `princ' in favor
of `insert', etc.
Perhaps it would be nice with a `princ' that preserves text properties?