bug#30672: 26.0.91, Font face lost ?

[Fabrice Popineau <fabrice.popineau@gmail.com>]

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2018-03-02 9:53 GMT+01:00 Eli Zaretskii <eliz@gnu.org>:

> > From: Fabrice Popineau <fabrice.popineau@gmail.com>
> > Date: Thu, 1 Mar 2018 21:40:14 +0100
> >
> > I don't have a standalone way to reproduce the problem but the following
> > is quite easy if you have the all-the-icons and memoize packages
> installed.
> > Start with 'emacs -Q' and from the *scratch* buffer.
> >
> > (require 'memoize)
> > (require 'all-the-icons)
> >
> > (all-the-icons-insert-alltheicon)
> >
> > At this point, a list of icons is offered from the "all-the-icons.ttf"
> >  font. The glyph is correct. Select anyone of these glyphs and when it
> >  is inserted in the *scratch* buffer, the font face is lost and you get
> >  an empty glyph.
>
> Could be related to yank-excluded-properties, perhaps?  Or maybe you
> need to tweak yank-handled-properties?
>
> Thanks for the tip ...


> If the above doesn't give a clue,


but it didn't. Tried to set yank-excluded-properties to nil with no result.


> then please explain what you mean by
> "the font face is lost".
>
> (I cannot afford repeating your recipe, because it requires installing
> weird fonts on my system.  Sorry.)
>

I attach 2 screen captures to show the problem.

First image is the glyph selection and second image shows that the font has
been lost
somehow ("no font available").

I hope it is not related to my own build with mingw64 but it has definitely
worked with
some previous version of the same emacs-26 branch. Without any other clue,
I'll try to rewind the branch and see if I can track some related change.

Fabrice

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