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bug#21730: 25.0.50; Random errors in redisplay--pre-redisplay-functions
From: |
Eli Zaretskii |
Subject: |
bug#21730: 25.0.50; Random errors in redisplay--pre-redisplay-functions |
Date: |
Thu, 15 Sep 2016 17:22:22 +0300 |
> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Wed, 14 Sep 2016 19:48:23 +0000
> Cc: 21730@debbugs.gnu.org, mwd@md5i.com
>
> If we want to dig deeper, I think we should first understand why bop
> doesn't work. Is it indeed because the window's buffer is not the
> current buffer when the hook is called?
>
> Unfortunately the error doesn't trigger consistently. Maybe we are lucky and
> somebody manages to detect
> such an issue.
>
> I'd also suggest to add
> (cl-assert (eq (current-buffer) (window-buffer window)))
> to cursor-sensor--detect, because the function relies on this equality.
Michael, could you please look some more into this? I think we need
to understand the reason why bobp doesn't work, although the hook was
supposed to be called with the window's buffer the current buffer.
TIA
bug#21730: 25.0.50; Random errors in redisplay--pre-redisplay-functions, Philipp Stephani, 2016/09/14