GNU bug report logs - #61196
30.0.50; X11 rendering of horizontal line in log-edit mode fails with some fonts

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Message #17 received at 61196 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 61196 <at> debbugs.gnu.org, dima <at> secretsauce.net
Subject: Re: bug#61196: 30.0.50;
 X11 rendering of horizontal line in log-edit mode fails with some
 fonts
Date: Wed, 01 Feb 2023 05:37:10 +0200

> Cc: 61196 <at> 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 <at> 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.

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