GNU bug report logs - #19903
24.4; Emacs fails to save enriched buffer with error message `wrong-type-argument symbolp "bold"'

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Message #19 received at 19903 <at> debbugs.gnu.org (full text, mbox):

From: Ivan Shmakov <ivan <at> siamics.net>
To: 19903 <at> debbugs.gnu.org
Subject: Re: bug#19903: 24.4;
 wrong-type-argument symbolp "bold" during enriched-encode 
Date: Fri, 20 Feb 2015 09:12:08 +0000

>>>>> Jorge  <jorge13515 <at> gmail.com> writes:

[…]

 > However, it seems to me that the current behavior is not
 > user-friendly.  (facemenu-set-face "bold" 1 2) _does_ make the text
 > bold, without any warning – which makes it appear that the call was
 > successful – but then we get an error when we try to save the buffer.

	The facemenu-set-face command is essentially a call to
	facemenu-add-new-face, followed by a call to facemenu-add-face.
	Curiously enough, the former implements explicit support for
	string arguments:

$ git archive --format=tar  c4e2be4587ec -- lisp/facemenu.el \
      | tar -xO | nl -ba ;  # 2015-02-16 07:22:46 +0000 
…
   785	(defun facemenu-add-new-face (face)
   786	  "Add FACE (a face) to the Face menu if `facemenu-listed-faces' says so.
   787	This is called whenever you create a new face, and at other times."
   788	  (let* (name
   789		 symbol
…
   792		 function menu-val)
   793	    (if (symbolp face)
   794		(setq name (symbol-name face)
   795		      symbol face)
   796	      (setq name face
   797		    symbol (intern name)))

 > Generally, it is best for errors to be detected as close to their
 > source as possible.  What do you think?

	If string faces are rendered just the same as symbol ones,
	I’d rather wonder if either facemenu-add-face should silently
	‘intern’ all the strings it gets before use, /or/ face-attribute
	should do that.  (Or perhaps both.)

-- 
FSF associate member #7257  np. Transformation — David Modica  B6A0 230E 334A

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