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bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive wit
From: |
Michael Welsh Duggan |
Subject: |
bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text |
Date: |
Thu, 17 May 2012 17:22:36 -0400 |
User-agent: |
Gnus/5.11002 (No Gnus v0.20) Emacs/24.1.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Michael Welsh Duggan <mwd@cert.org>
>> Cc: Ari Roponen <ari.roponen@gmail.com>, 11464@debbugs.gnu.org
>> Date: Thu, 17 May 2012 13:56:45 -0400
>>
>> else if (top_y < it.last_visible_y) ==> if (255 < 256) ==> if (TRUE)
>>
>> hence, visible_p _would_ be set to 1 by the else if clause.
>
> And will never be reset to zero, because 27 <= 256 => FALSE. And yet
> Ari said that he needed to change the condition to <=.
But where do you get 27? The number was 270, I believe.
>> bottom_y = 270
>> it.last_visible_y = 256
>> top_y = 255
>> window_top_y = 0
--
Michael Welsh Duggan
(mwd@cert.org)
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, (continued)
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/13
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/15
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/15
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/16
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/16
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/17
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/17
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/17
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Michael Welsh Duggan, 2012/05/17
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/17
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text,
Michael Welsh Duggan <=
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Ari Roponen, 2012/05/18
- bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text, Eli Zaretskii, 2012/05/18