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bug#40317: 27.0.90; Reverting a buffer that visits C file signals an err
From: |
Eli Zaretskii |
Subject: |
bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error |
Date: |
Sat, 19 Sep 2020 10:35:18 +0300 |
> From: Jeff Norden <jnorden@tntech.edu>
> Cc: 40317@debbugs.gnu.org, eliz@gnu.org,
> damien@cassou.me
> Date: Fri, 18 Sep 2020 17:03:07 -0500
>
> Somehow, and I sure don't know how, I think that c-after-change gets
> called with: c-new-END already set to the value of point-max after the
> insertion; and with the other variables set so that that beg, end, and
> old-len remain unchanged. It's the only scenario that I can see that
> fits the backtrace that Eli posted.
>
> If Damien and/or Eli can temporarily try out the test that I suggested
> and get it to trigger, I think that would verify this. In fact, maybe
> warn would be even better:
>
> (if (> c-new-END (point-max))
> (warn "c-new-END is too big! %d > %d" c-new-END (point-max)))
Unfortunately, the problem no longer happens to me, not in many
moons. Not sure why: I didn't change my usage patterns.
Hopefully, Damien will be able to test this theory. Thanks.
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Damien Cassou, 2020/09/16
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Eli Zaretskii, 2020/09/16
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Damien Cassou, 2020/09/16
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Eli Zaretskii, 2020/09/16
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Damien Cassou, 2020/09/16
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Jeff Norden, 2020/09/17
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Damien Cassou, 2020/09/18
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Alan Mackenzie, 2020/09/18
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Jeff Norden, 2020/09/18
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error,
Eli Zaretskii <=
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Alan Mackenzie, 2020/09/19
- bug#40317: 27.0.90; Reverting a buffer that visits C file signals an error, Alan Mackenzie, 2020/09/20