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

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Package: emacs;

Reported by: Lluís Vilanova <vilanova <at> ac.upc.edu>

Date: Mon, 20 Jun 2016 16:32:02 UTC

Severity: normal

Merged with 21732, 24804

Found in versions 24.5, 25.0.50, 25.1

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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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: Tue, 21 Jun 2016 18:15:16 +0300

> Date: Tue, 21 Jun 2016 15:07:57 +0200
> From: martin rudalics <rudalics <at> gmx.at>
> CC: 23809 <at> debbugs.gnu.org
> 
>  > Sounds like a duplicate of bug #21732.
>  >
>  >> With these steps, I get this backtrace:
>  >>
>  >>    Debugger entered--Lisp error: (wrong-type-argument wholenump -14)
>  >>      posn-at-point(619194 #)
> 
> Without further forensics we could "fix" both bugs using the attached
> patch.  WDYT?

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.
This bug report was last modified 8 years and 209 days ago.

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