GNU bug report logs - #12745
crash in bidi_pop_it during (idle) redisplay

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Package: emacs;

Reported by: Paul Eggert <eggert <at> cs.ucla.edu>

Date: Sun, 28 Oct 2012 03:34:01 UTC

Severity: normal

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Alp Aker <alptekin.aker <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 12745 <at> debbugs.gnu.org
Subject: bug#12745: crash in bidi_pop_it during (idle) redisplay
Date: Mon, 29 Oct 2012 17:53:06 -0400
>> Couldn't you simply put the $ (or whatever) in the display string,
>> where you now put the u+e000 character?
>
> I needed to have a blank character there to put a cursor property on,
> even when the newline has a nil display table entry.  At that point it
> made the code simpler to use that char for visible newline display as
> well, via display table manipulation.

In other words, my earlier explanation wasn't accurate (it's been a
while since I thought about this code).  The blank character in the
overlay string is there for the sake of the cursor property.  That
it's a weird Private Use Area character instead of a space is just to
simplify the whitespace-mode compatibility hack.




This bug report was last modified 12 years and 163 days ago.

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