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bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive wit


From: Eli Zaretskii
Subject: bug#11464: 24.1.50; pos-visible-in-window-p returns a false positive with bidi text
Date: Fri, 18 May 2012 00:11:00 +0300

> From: Michael Welsh Duggan <address@hidden>
> Cc: Ari Roponen <address@hidden>, address@hidden
> 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 <=.





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