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bug#46804: 27.1; Man page for git-config(1) is partly displayed in overs
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From: |
Tim Landscheidt |
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Subject: |
bug#46804: 27.1; Man page for git-config(1) is partly displayed in overstriked font |
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Date: |
Sun, 28 Feb 2021 05:33:53 +0000 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
Lars Ingebrigtsen <larsi@gnus.org> wrote:
>> On (my) Fedora 32:
>> | emacs -Q --eval '(man "1 git-config")'
>> causes the part of the man page for git-config(1) from the
>> section title "CONFIGURATION FILE" to the word "prereceive"
>> in the entry for "receive.certNonceSlop" to be displayed in
>> overstriked font.
> I'm unable to reproduce this on Debian/bullseye -- the manual here
> doesn't have the word "prereceive" in it, apparently...
Well, if I had copied & pasted "pre-receive" correctly … :-)
(NB: I could /not/ reproduce this in a Debian Buster contai-
ner.)
> […]
> I'm not very familiar with man.el fontification, but it uses ansi-color
> for fontification. And that got the following change in Emacs 28:
> commit 2e2a8e5491bc6259a9ebe8c703c1c501307953e2
> Author: Jim Blandy <jimb@red-bean.com>
> AuthorDate: Tue Oct 20 13:09:16 2020 +0200
> Man highlighting: Don't occasionally bold entire sections.
> * lisp/ansi-color.el (ansi-color-apply-on-region): Always save a
> restart position in ansi-color-context-region if the region ends with
> highlighting active.
> So it's possible what you're seeing has been fixed in Emacs 28. Would
> it be possible for you to build the development version of Emacs and see
> whether the problem is still present there?
I have tested master and it works, and then backported
2e2a8e5491bc6259a9ebe8c703c1c501307953e2 to 27.1, and it
fixes the issue.