GNU bug report logs - #50256
thing-at-mouse

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From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 50256 <at> debbugs.gnu.org, larsi <at> gnus.org, juri <at> linkov.net
Subject: bug#50256: thing-at-mouse
Date: Sun, 5 Sep 2021 09:50:14 +0200

>>   > That's orthogonal.  (And it seems to issue the warning in an unrelated
>>   > case, handled by the 'else' clause?)
>>
>> Which case?
>
> This one:
>
>> +      else
>> +	   posint = marker_position (w->pointm);

You mean when the caller asks for using point in a non-selected window
that does not show the current buffer.  Why do you think this case is
unrelated and/or should be handled differently?

>> Maybe I have not been making myself clear.  What I would apply is the
>> attached (modulo any errors it contains): No change in behavior, just a
>> warning in the doc-string and suspicious calls.
>
> That doesn't fix the problem which started this thread, does it?

Right.  We have two ways to fix that problem:

(1) Fix it in a general way.  You don't want to do that because it might
    harm calls of that function that silently worked until now.

(2) Fix it by modifying the calls of `pos-visible-in-window-p'.  In that
    case the warning should help us find the calls that should be fixed.

martin

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