GNU bug report logs - #18285
24.3.92; A combination of `display' on text and `invisible' and `before/after-string' leads to the before/after string being displayed twice

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Package: emacs;

Reported by: Dmitry <dgutov <at> yandex.ru>

Date: Sun, 17 Aug 2014 22:36:02 UTC

Severity: normal

Found in version 24.3.92

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #56 received at 18285 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18285 <at> debbugs.gnu.org
Subject: Re: bug#18285: 24.3.92;
 A combination of `display' on text and `invisible'
 and	`before/after-string' leads to the before/after string being	displayed
 twice
Date: Sun, 24 Aug 2014 06:48:13 +0400

On 08/24/2014 06:40 AM, Eli Zaretskii wrote:

>> And now I know why that was: `display' doesn't work on empty overlays,
>> but `before-string' and `after-string' do. That means +1 workaround.
>
> Bu empty overlays don't need invisible at all, so I don't see a
> problem.

The only problem is, I now need to use `after-string' or `display', 
depending on the context. Which is a small one, as far as problems go.

      (if (/= (overlay-start ov) (overlay-end ov))
          (overlay-put ov 'display disp)
        (overlay-put ov 'after-string disp))
This bug report was last modified 3 years and 37 days ago.

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