[debbugs-tracker] bug#23879: closed (visual-line-mode produces erratic behaviour with text properties)

[GNU bug Tracking System]

Your message dated Sat, 02 Jul 2016 15:41:59 +0300
with message-id <address@hidden>
and subject line Re: bug#23879: visual-line-mode produces erratic behaviour 
with text properties
has caused the debbugs.gnu.org bug report #23879,
regarding visual-line-mode produces erratic behaviour with text properties
to be marked as done.

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-- 
23879: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23879
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> --- Begin Message ---
>
>
>
> Subject: 
>
> visual-line-mode produces erratic behaviour with text properties
>
>
>
>
> Date: 
>
> Fri, 01 Jul 2016 18:33:48 +1000
>
>
>
>
> Enabling visual-line-mode and adding line-prefix and wrap-prefix properties to 
> a long paragraph of text produces erratic navigational behaviour.
>
> To reproduce:
>
> 1. $ emacs -Q
>
> 2. insert a long paragraph of text
> M-: (url-insert-file-contents 
> "https://gist.githubusercontent.com/rnkn/d5987c3495901e4950782f6648846e4e/raw/c22074e8f0940f6ec9c8b729f04567dc50664823/loren-ipsum.txt";)
>
> 3. turn on visual line mode
> M-: (visual-line-mode 1)
>
> 4. add text properties
> M-: (add-text-properties (point-min) (point-max) '(line-prefix (space :align-to 
> 10) wrap-prefix (space :align-to 10)))
>
> 5. C-n past window height.
>
> Expected results:
>
> Navigation should continue by visual line.
>
> Actual results:
>
> Navigational behaviour becomes erratic. Point will no long move with visual 
> lines, instead jumping to different columns. This is more pronounced with a 
> window 80 columns or less.
>
> Configuration:
>
> GNU Emacs 24.5.1 (x86_64-apple-darwin15.5.0, NS apple-appkit-1404.47) of 
> 2016-06-26
>
> Configured using:
>  `configure --disable-dependency-tracking --disable-silent-rules
>  --enable-locallisppath=/usr/local/share/emacs/site-lisp
>  --infodir=/usr/local/Cellar/emacs/24.5/share/info/emacs
>  --prefix=/usr/local/Cellar/emacs/24.5 --with-xml2 --without-dbus
>  --without-gnutls --with-ns --disable-ns-self-contained'
>
> OS X 10.11.4 (15E65)
>
> MacBook Pro (Retina, 15-inch, Mid 2014)
> 2.2 GHz Intel Core i7
> 16 GB 1600 MHz DDR3
> Intel Iris Pro 1536 MB
>
> -- 
> Paul W. Rankin
> www.paulwrankin.com
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#23879: visual-line-mode produces erratic behaviour with text properties
>
>
>
>
> Date: 
>
> Sat, 02 Jul 2016 15:41:59 +0300
>
>
>
>
> > Date: Fri, 01 Jul 2016 12:37:31 +0300
> > From: Eli Zaretskii <address@hidden>
> > Cc: address@hidden
> > 
> > Initial investigation indicates that this is a very old problem: I see
> > it in Emacs 23.1, which is when visual-line-mode was introduced.
>
> Indeed, a very old bug, now fixed on the master branch.
>
> Thanks.
>
>
> --- End Message ---