bug#14659: 24.3.50; `modify-frame-parameters' raises error for font returned by `xs-list-fonts'

[Drew Adams <drew.adams@oracle.com>]

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> And other bug mails are not missing the bug number
> from the Subject line.
> 
> And even Lars's mails from other days were not
> missing bug numbers from the Subject line.  Maybe
> it's only these few bugs; dunno.

I take it back that no other bug mails show the
problem.  Just got the attached mail from Stefan K.,
which shows the same problem - no bug # in Subject
field.

I haven't changed anything on my end.  And this
problem is new.  Previously, the Subject line always
appeared as does this one now: with bug#...: followed
by the release number - not just starting with the
release number (no bug #):

  RE: bug#14659: 24.3.50; `modify-frame-parameters'...

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From: Stefan Kangas <stefan@marxist.se>
To: Drew Adams <drew.adams@oracle.com>
Cc: 11314@debbugs.gnu.org
Subject: Re: 24.1.50; Regression: incorrect Lisp indentation for `if' with `@@@@@@'
Date: Fri, 1 Nov 2019 12:59:15 -0700 (PDT)
Message-ID: <87imo3xt9o.fsf@marxist.se>

found 11314 27.0.50
thanks

"Drew Adams" <drew.adams@oracle.com> writes:

> emacs -Q
>  
> Type this into an Emacs Lisp buffer:
>  
> (if (alpha beta) C-j aaaaaa C-j bbbbbb
>  
> You get this:
>  
> (if (alpha beta)
>     aaaaaa
>   bbbbbb
>  
> That is correct.  bbbbbb is indented correctly.
>  
> Now do the same thing, using @@@@@@ instead of aaaaaa.  This is the
> result - bbbbbb is indented incorrectly.
>  
> (if (alpha beta)
>     @@@@@@
>     bbbbbb
>  
> Yet @@@@@@ is a perfectly good symbol/variable name etc.
>  
> This regression was introduced in Emacs 22.

I can reproduce this on current master.

Best regards,
Stefan Kangas