GNU bug report logs - #70038
29.3.50; Shift up/down in buffer with images on M-x other-window with some fonts

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Message #50 received at 70038 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: martin rudalics <rudalics <at> gmx.at>
Cc: luangruo <at> yahoo.com, rahguzar <at> zohomail.eu, r.diaz <at> uam.es, rdiaz02 <at> gmail.com,
 70038 <at> debbugs.gnu.org
Subject: Re: bug#70038: 29.3.50; Shift up/down in buffer with images on M-x
 other-window with some fonts
Date: Sun, 07 Apr 2024 14:28:24 +0300

> Date: Sun, 7 Apr 2024 12:12:55 +0200
> Cc: r.diaz <at> uam.es, luangruo <at> yahoo.com, rahguzar <at> zohomail.eu,
>  rdiaz02 <at> gmail.com, 70038 <at> debbugs.gnu.org
> From: martin rudalics <rudalics <at> gmx.at>
> 
>  >> Would that be sufficient?  Don't we freeze also when resizing the echo
>  >> area?
>  >
>  > I guess we do, but where is that resized back to its normal height?
> 
> In shrink_mini_window hopefully so this should be covered.  If the only
> problem is that of restore_window_configuration, then minibuffer_unwind
> looks like the right place.  But maybe read_char_help_form_unwind would
> require the same treatment.

Hmm...  read_char_help_form_unwind is called after we invoke
help-form-show, and that one pops up a special buffer:

  (defun help-form-show ()
    "Display the output of a non-nil `help-form'."
    (let ((msg (eval help-form t)))
      (if (stringp msg)
	  (with-output-to-temp-buffer " *Char Help*"
	    (princ msg)))))

Is there a way to make that use the echo-area? if so, can you tell how
to do that?

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