GNU bug report logs - #37774
27.0.50; new :extend attribute broke visuals of all themes and other packages

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Message #218 received at 37774 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: andreyorst <at> gmail.com, Eli Zaretskii <eliz <at> gnu.org>, 37774 <at> debbugs.gnu.org
Subject: Re: bug#37774: 27.0.50; new :extend attribute broke visuals of all
 themes and other packages
Date: Fri, 18 Oct 2019 01:22:16 +0300

> I miss you here.  Emacs now by default also extends the region to the
> right window edge.

Emacs doesn't extend the region to the right window edge when the region
face was already customized, and has no "extend t" in the init file.

>> Also I looked how other applications extend diff blocks, and e.g.
>> GitLab extends diff background colors to the window right edge,
>> not to EOL, for example,
>> https://github.com/emacs-mirror/emacs/commit/3d6075e3ee8c447f8974b37007a1b1ae1af8917c
>
> With Firefox these diffs are boxed in a subarea of the Firefox window.
> They do not start or extend at the window edges and text in these
> boxes is static, can neither overflow into a newline nor be broken.

This is why I proposed to limit these boxes to some fixed column
like fill-column.

> But I think that our (e)diff blocks are affected by the change and all
> their face settings probably have to change, as well as tables and
> listings.

Yes, (e)diff face settings have to change, but actually I discovered
that diff-refined faces don't need to extend to the window edge,
because they don't form a block, they are word-based.

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