Re: buffer-face-set changes the fringe, is it a bug?

[Eli Zaretskii]

> Date: Wed, 8 Jul 2020 09:00:12 +0200 (CEST)
> From: Gregory Heytings via "Emacs development discussions." 
> <emacs-devel@gnu.org>
> 
> 
> A small improvement to my suggested documentation:
> 
> The optional @var{face} names a face whose foreground and background 
> colors are to be used to display the bitmap, using the attributes of the 
> @code{fringe} face for colors that @var{face} didn't specify.  It is not 
> recommended to omit the @var{face}, as an omitted @var{face} leads to 
> unexpected behavior.  It is recommended to explicitly indicate the 
> @code{fringe} face when one does not want to use specific colors to 
> display the bitmap in the fringe.  If @var{face} is omitted and the 
> @code{default} face is not remapped, that means to use the attributes of 
> the @code{default} face for the colors which the @code{fringe} face didn't 
> specify.  If @var{face} is omitted and the @code{default} face is 
> remapped, that means to use the attributes of the @code{fringe} face for 
> the colors which the @code{default} face didn't specify.

It is not useful to say in the manual that something produces
unexpected results.  So I installed a slightly different description
of this subtlety.

Thanks.