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From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 61196@debbugs.gnu.org, dima@secretsauce.net
Subject: bug#61196: 30.0.50; X11 rendering of horizontal line in log-edit mode fails with some fonts
Date: Wed, 01 Feb 2023 11:42:27 +0800	[thread overview]
Message-ID: <87edraxd98.fsf@yahoo.com> (raw)
In-Reply-To: <83cz6u12ft.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 01 Feb 2023 05:37:10 +0200")

Eli Zaretskii <eliz@gnu.org> writes:

>> Cc: 61196@debbugs.gnu.org
>> Date: Wed, 01 Feb 2023 09:29:08 +0800
>> From:  Po Lu via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> When I last investigated this problem (I use the X core font backend all
>> the time), it was that X fonts typically have no glyph for the newline
>> character, which Emacs seems to expect.
>
> No, Emacs doesn't use the glyph for newline.  It starts a new screen
> line instead.  But that requires the default face to have a valid
> font, AFAIU.

Well, when I made xfont_has_char and xfont_encode_char return a working
glyph for newline, that started working as expected.

But it's been so long that I've forgotten the details.





  reply	other threads:[~2023-02-01  3:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-31  8:29 bug#61196: 30.0.50; X11 rendering of horizontal line in log-edit mode fails with some fonts Dima Kogan
2023-01-31 17:44 ` Eli Zaretskii
2023-01-31 18:52   ` Dima Kogan
2023-02-01  1:29 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-02-01  3:37   ` Eli Zaretskii
2023-02-01  3:42     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2023-02-01 12:19       ` Eli Zaretskii
2023-02-01 10:44 ` Gregory Heytings

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