[debbugs-tracker] bug#17023: closed (24.3.50; font-lock-add-keywords creates duplicates)

[GNU bug Tracking System]

Your message dated Mon, 17 Mar 2014 11:06:38 -0400
with message-id <address@hidden>
and subject line Re: bug#17023: 24.3.50; font-lock-add-keywords creates 
duplicates
has caused the debbugs.gnu.org bug report #17023,
regarding 24.3.50; font-lock-add-keywords creates duplicates
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
17023: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17023
GNU Bug Tracking System
Contact address@hidden with problems
> --- Begin Message ---
>
>
>
> Subject: 
>
> 24.3.50; font-lock-add-keywords creates duplicates
>
>
>
>
> Date: 
>
> Mon, 17 Mar 2014 11:48:24 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)
>
>
>
>
> To reproduce:
>
> emacs -q
>
> C-x b test  ;; switch to an arbitrary buffer
> M-x describe-variable font-lock-keywords
> ;; The value of `font-lock-keywords' should be nil.
> foobar
>
> (font-lock-add-keywords nil '(("\\_<foobar\\_>" (0 'hi-yellow prepend))))
>
> C-x e ;; to evaluate above expression --- "foobar" is being highlighted
> M-x describe-variable font-lock-keywords
>
> ;; The value of `font-lock-keywords' is now:
>
> font-lock-keywords is a variable defined in `font-lock.el'.
> Its value is (t
>  (("\\_<foobar\\_>"
>    (0 'hi-yellow prepend)))
>  ("\\_<foobar\\_>"
>   (0 'hi-yellow prepend)))
>
>
> The 'hi-yellow face is defined in hi-lock.el.  The
> `font-lock-add-keywords' function even removes keywords before adding
> them to avoid duplicates.  Yet it seems to create duplicates itself.
>
>
> In GNU Emacs 24.3.50.2 (x86_64-unknown-linux-gnu, X toolkit)
>  of 2014-03-17 on yun.yagibdah.de
> Windowing system distributor `Fedora Project', version 11.0.11404000
> Configured using:
>  `configure --without-gpm --without-toolkit-scroll-bars
>  --with-x-toolkit=lucid --enable-link-time-optimization'
>
> -- 
> Knowledge is volatile and fluid.  Software is power.
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#17023: 24.3.50; font-lock-add-keywords creates duplicates
>
>
>
>
> Date: 
>
> Mon, 17 Mar 2014 11:06:38 -0400
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)
>
>
>
>
> > Its value is (t
> >  (("\\_<foobar\\_>"
> >    (0 'hi-yellow prepend)))
> >  ("\\_<foobar\\_>"
> >   (0 'hi-yellow prepend)))
>
> Despite appearances, there is no duplicates here.  The "(t ...)" entry is
> just a saved version of the "non-compiled" keywords.
>
>
>         Stefan
>
>
> --- End Message ---