bug#67810: 29.1; fonts use synthetic bold on Linux / pgtk

[Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Po Lu <luangruo@yahoo.com>
>> Cc: crypto@timruffing.de,  stefankangas@gmail.com,  67810@debbugs.gnu.org
>> Date: Sat, 13 Jan 2024 08:46:28 +0800
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > Sorry, I don't understand what you are saying here.  Could you please
>> > say it in simpler words?  What are "icon fonts"? and what do you mean
>> > by "it can be removed"?
>> 
>> Fonts designed to provide symbol icons, which are inserted by packages
>> that can control the `face' property of the text inserted.  Such fonts
>> don't provide bold variants, and they did prompt this bug report.
>
> So you are talking about fonts that use PUA codepoints to show icons?
> Or are you talking about fonts whose glyphs for "normal" characters
> (i.e. characters defined by the Unicode Standard) are replaced with
> icons that look similarly?

The former, yes.