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From: | dalanicolai |
Subject: | bug#66922: 29.1; No redisplay of buffer, even after using `force-window-update' |
Date: | Sat, 4 Nov 2023 12:07:49 +0100 |
> From: dalanicolai <dalanicolai@gmail.com>
> Date: Sat, 4 Nov 2023 00:23:30 +0100
> Cc: 66922@debbugs.gnu.org
>
> Sorry Eli, I don't know what you mean here. Over here the problem does
> occur also in the GUI, and I am using the print to
> 'external-debugging-output' because the lwarn is what causes the
> problem. I explained in the bug report that the window-start does not
> get updated when including the lwarn after the forced redisplay (the
> point is at 11, but window-start is still at 1).
Sorry, I didn't understand what you considered a "bug", because your
original description has all but drowned that in the long description
of what the code does. So I thought that "messes redisplay" is the
problem, and that it alludes to the text from
external-debugging-output that appears inside the window of the TTY
frame.
If your problem is with window-start, then the reason for that is
simple: lwarn pops up the *Warnings* buffer, so the call to
window-start returns the value for that buffer, not for the "example"
buffer. If, after running the recipe, you do
C-x b RET
M-: (window-start) RET
you will see that window-start in "example" is 11, as you expect.
So I see no bug here.
> (Also obviously, I can not use a normal print/message, when
> 'investigating' redisplay issues)
Of course, you can: use 'message', and then look in the *Messages*
buffer.
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