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bug#14841: Frames created invisible have their visibility parameter set


From: Eli Zaretskii
Subject: bug#14841: Frames created invisible have their visibility parameter set to t
Date: Sun, 14 Jul 2013 19:52:00 +0300

> From: Juanma Barranquero <address@hidden>
> Date: Thu, 11 Jul 2013 18:54:53 +0200
> Cc: address@hidden
> 
>   emacs -Q
>   M-: (make-frame '((visibility))) <RET>
>   M-: (mapcar #'frame-visible-p (frame-list)) <RET>
>   => (t t)
>   M-: (make-frame-invisible (make-frame)) <RET>
>   M-: (mapcar #'frame-visible-p (frame-list)) <RET>
>   => (nil t t)
>   M-: (setq f (make-frame)) <RET>
> 
> At this point, C-x 5 o does not take you to the previous frame.
> Presumably, because Emacs gets confused that some previous frame,
> which is invisible, is "visible" because its visibility parameter says
> so. Then
> 
>   Select the initial frame.
>   M-: (make-frame-invisible f) <RET>
>   M-: (mapcar #'frame-visible-p (frame-list)) <RET>
>   => (nil nil t t)

I'm confused: what did you expect to happen instead?





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