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bug#11484: 23.4; Scrolling leaves traces of old text behind
From: |
Stefan Monnier |
Subject: |
bug#11484: 23.4; Scrolling leaves traces of old text behind |
Date: |
Mon, 22 Oct 2012 21:22:29 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.2.50 (gnu/linux) |
>> If someone knows how to get misc-fixed-semicondensed-13 using xft
>> (i.e. client-side fonts), I'm all ears.
> At first, enable bitmap font in fontconfig (on Ubuntu, this
> is done by deleting /etc/fonts/conf.d/70-no-bitmaps.conf).
Indeed, that worked, thanks (tho the performance wasn't noticeably
better).
> Then copy PCF files of misc-fixed-semicondensed-13 fonts to ~/.fonts.
I didn't need to do that for the font I use (running Debian, here).
> Now Emacs should be able to use those PCF fonts via XFT.
It actually crashed with an assertion violation because a font `spec'
was nil where a vector was expected. I used the quick-fix below which
appeared to work, but without knowing what it implies. Can you take
a look and help me figure out what the right fix should be?
Stefan
=== modified file 'src/frame.c'
--- src/frame.c 2012-10-20 21:30:51 +0000
+++ src/frame.c 2012-10-23 01:11:11 +0000
@@ -3242,7 +3242,7 @@
Lisp_Object ascii_font = fontset_ascii (fontset);
Lisp_Object spec = font_spec_from_name (ascii_font);
- if (! font_match_p (spec, font_object))
+ if (NILP (spec) || ! font_match_p (spec, font_object))
fontset = -1;
}
}
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Jan Djärv, 2012/10/21
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Eli Zaretskii, 2012/10/21
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Jan Djärv, 2012/10/22
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Daniel Colascione, 2012/10/22
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Stefan Monnier, 2012/10/22
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Kenichi Handa, 2012/10/22
- bug#11484: 23.4; Scrolling leaves traces of old text behind,
Stefan Monnier <=
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Kenichi Handa, 2012/10/23
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Stefan Monnier, 2012/10/23
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Achim Gratz, 2012/10/22
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Eli Zaretskii, 2012/10/22
- bug#11484: 23.4; Scrolling leaves traces of old text behind, Eli Zaretskii, 2012/10/22