GNU bug report logs - #20607
24.5; Problem with overlays at same position but in different windows

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Oleh Krehel <ohwoeowho <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.5; Problem with overlays at same position but in different windows
Date: Mon, 18 May 2015 20:29:10 +0200

Suppose I have two windows, WND1 and WND2, both displaying the same
buffer. In WND1, there's an overlay from 1 to 2 with window property
WND1 and display "ab". In WND2, there's an overlay from 1 to 3 with
window property WND2 and display "abc".

Instead of the expected, I see "ab" in WND1, but "abcabc" in WND2.  When
I `move-overlay' in the first window to 1-3, the glitch disappears, but
I actually want the overlay to be 1-2, not 1-3. If I have to make it
1-3, I'd have to modify the display as well to include one more
character from the buffer. I think it's better to fix the overlay logic
rather than go for this work-around.

Oleh

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