GNU bug report logs - #19473
posn-at-point fails in RTL paragraph

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Andreas Schwab <schwab <at> linux-m68k.org>
Subject: bug#19473: closed (Re: bug#19473: posn-at-point fails in RTL
 paragraph)
Date: Tue, 30 Dec 2014 17:35:02 +0000

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Your bug report

#19473: posn-at-point fails in RTL paragraph

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 19473 <at> debbugs.gnu.org.

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19473: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19473
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Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 19473-done <at> debbugs.gnu.org
Subject: Re: bug#19473: posn-at-point fails in RTL paragraph
Date: Tue, 30 Dec 2014 19:34:23 +0200

> From: Andreas Schwab <schwab <at> linux-m68k.org>
> Date: Tue, 30 Dec 2014 17:31:53 +0100
> 
> posn-at-point returns the wrong position in RTL paragraphs.  For
> example, when visiting TUTORIAL.he, (= (event-start (posn-at-point)
> (point))) returns nil everywhere.
> 
> That appears to be because pos-visible-in-window-p returns (0 0) for
> (point-min) even though the RTL paragraph is aligned to the right.

Thanks for the report and the analysis.  I fixed this in commit
aa472a3 on the emacs-24 branch.

For the record: this never worked correctly for RTL text.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: bug-gnu-emacs <at> gnu.org
Subject: posn-at-point fails in RTL paragraph
Date: Tue, 30 Dec 2014 17:31:53 +0100

posn-at-point returns the wrong position in RTL paragraphs.  For
example, when visiting TUTORIAL.he, (= (event-start (posn-at-point)
(point))) returns nil everywhere.

That appears to be because pos-visible-in-window-p returns (0 0) for
(point-min) even though the RTL paragraph is aligned to the right.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
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