GNU bug report logs - #23809
24.5; Positive argument to 'posn-at-point' throws erros as being negative

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From: Eli Zaretskii <eliz <at> gnu.org>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 23809 <at> debbugs.gnu.org, vilanova <at> ac.upc.edu
Subject: bug#23809: 24.5; Positive argument to 'posn-at-point' throws erros as being negative
Date: Wed, 22 Jun 2016 18:06:56 +0300

> Date: Wed, 22 Jun 2016 08:10:44 +0200
> From: martin rudalics <rudalics <at> gmx.at>
> CC: vilanova <at> ac.upc.edu, 23809 <at> debbugs.gnu.org
> 
>  > I don't like sweeping problems under the carpet.  We should understand
>  > how come we get negative pixel coordinates in these cases, it's most
>  > likely some bug in pos_visible_p or somesuch.
> 
> A ‘condition-case’ would fix the problem on the release branch and give
> you all the time to find the real cause.

the problem doesn't seem grave enough to rush with a solution.

> Also, unless we guard against ‘posn-at-point’ ever returning a
> negative y-value, there's no guarantee that finding the cause of the
> present problem will fix this issue once and for all.

We will cross that bridge when we get to it.

Thanks.

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