bug#39431: closed (window-text-pixel-size behavior when enabled display-line-number-mode)

[GNU bug Tracking System]

Your message dated Wed, 05 Feb 2020 17:36:37 +0200
with message-id <address@hidden>
and subject line Re: bug#39431: window-text-pixel-size behavior when enabled 
display-line-number-mode
has caused the debbugs.gnu.org bug report #39431,
regarding window-text-pixel-size behavior when enabled display-line-number-mode
to be marked as done.

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39431: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=39431
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> --- Begin Message ---
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> Subject: 
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> window-text-pixel-size behavior when enabled display-line-number-mode
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> Date: 
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> Wed, 5 Feb 2020 17:05:24 +0900
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> Hi,
> I found unexpected behavior (for me) of window-text-pixel-size.
>
> Environment:
> GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30, 
> cairo version 1.15.10)
>
> Steps:
> 1. run emacs -Q.
> 2. In *scratch* buffer eval following.
> (window-text-pixel-size nil (point-min) (1+ (point-min)))
> ;=> (9 . 18)
> (display-line-numbers-mode)
> ;=> t
> (window-text-pixel-size nil (point-min) (1+ (point-min)))
> ;=> (45 . 18) ; width changed
>
> I also found this behavior in NS port Emacs 27.0.50.
>
> Is this expected?
>
> --
> tsuucat
>
>
>
> --- End Message ---
> --- Begin Message ---
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>
>
> Subject: 
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> Re: bug#39431: window-text-pixel-size behavior when enabled display-line-number-mode
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>
>
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> Date: 
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> Wed, 05 Feb 2020 17:36:37 +0200
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>
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>
> > From: tsuucat <address@hidden>
> > Date: Wed, 5 Feb 2020 23:47:26 +0900
> > Cc: address@hidden
> > 
> > > Yes.  The line-number display is part of the text area, and that's
> > > what this function measures.  You will see the same effect if you set
> > > the variable line-prefix to some nonempty string, for example.
> > > 
> > > If you want the size of the text without the line numbers, you can
> > > subtract the value returned by '(line-number-display-width t)'.
> > 
> > Oh, I see.
> > Thanks!
>
> Thanks, I'm therefore closing this bug report.
>
>
> --- End Message ---