[debbugs-tracker] bug#28915: closed (Emacs 27 under macOS window system; improper frame resizing (off by 4 pixels))

[GNU bug Tracking System]

Your message dated Tue, 31 Oct 2017 09:42:04 +0100
with message-id <address@hidden>
and subject line Re: bug#28915: Emacs 27 under macOS window system; improper 
frame resizing (off by 4 pixels)
has caused the debbugs.gnu.org bug report #28915,
regarding Emacs 27 under macOS window system; improper frame resizing (off by 4 
pixels)
to be marked as done.

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-- 
28915: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=28915
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> --- Begin Message ---
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> Subject: 
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> Emacs 27 under macOS window system; improper frame resizing (off by 4 pixels)
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> Date: 
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> Fri, 20 Oct 2017 13:41:44 -0400
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> Each time the following two expressions are called, they increase the
> width or height respectively of the selected frame by 4 pixels rather
> than leaving the dimension unchanged.  Even if this is a rounding error
> due to use of column/line math, shouldn't there be a special case test
> for this that prevents the size change?  It would simplify coding.
>
> (progn (set-frame-width nil (frame-pixel-width) nil t)
>        (frame-pixel-width))
>
> (progn (set-frame-height nil (frame-pixel-height) nil t)
>        (frame-pixel-height))
>
> Bob
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> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#28915: Emacs 27 under macOS window system; improper frame resizing (off by 4 pixels)
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> Date: 
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> Tue, 31 Oct 2017 09:42:04 +0100
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> > This is not a bug.  For historic reasons, the second arguments of
> > ‘set-frame-width’ and ‘set-frame-height’ must specify the width and
> > height of the _text area_ of the frame and not its native width and
> > height.  You can rely on this to never ever change.  Section 29.3.4
> > Frame Size of the Elisp manual should explain everything.
>
> Closing this bug.
>
> martin
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> --- End Message ---