GNU bug report logs - #59141
28.1.90; Face :extend when all the line but trailing \n is invisible

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Message #149 received at 59141 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Juri Linkov <juri <at> linkov.net>
Cc: 59141 <at> debbugs.gnu.org, yantar92 <at> posteo.net, abdo.haji.ali <at> gmail.com,
 kevin.legouguec <at> gmail.com
Subject: Re: bug#59141: 28.1.90; Face :extend when all the line but trailing
 \n is invisible
Date: Tue, 22 Nov 2022 21:36:50 +0200

> From: Juri Linkov <juri <at> linkov.net>
> Cc: kevin.legouguec <at> gmail.com,  59141 <at> debbugs.gnu.org,
>   abdo.haji.ali <at> gmail.com,  yantar92 <at> posteo.net
> Date: Tue, 22 Nov 2022 21:16:27 +0200
> 
> > Does the below produce what you want?
> >
> >   (progn
> >     (insert "ab")
> >     (let ((o (make-overlay 2 3)))
> >       (overlay-put o 'after-string "!"))
> >     (let ((o (make-overlay 2 3)))
> >       (overlay-put o 'invisible t)))
> 
> Thanks, this is a possibility.  Maybe not easy to use
> since for an ellipsis overlay will need to get the boundaries
> of the invisible outline overlay.

I don't think you need the exact boundaries.  All you need is to make sure
the START of the after-string overlay is in invisible text.  It doesn't
matter where its END is.

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