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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Fill column indicator functionality
Date: Sat, 04 May 2019 09:54:10 +0300
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To: Ergus <spacibba@aol.com>
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> Date: Fri, 3 May 2019 23:05:08 +0200
> From: Ergus <spacibba@aol.com>
> Cc: emacs-devel@gnu.org
> 
> I was looking the Alp's mail and he is right. Is there a simple way to
> fix the background issue when there is selection???

I'm not sure I understand what we want to happen if the region crosses
the indicator.  The 'region' face by default specifies only the
background, but that's just the default.  It could specify any other
attributes of a face, including the foreground color, the font, the
size, the slant, you name it.  So what do we want to do with that,
exactly?  We need a clear understanding of what is being proposed
before we code it.