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[Emacs-bug-tracker] bug#7319: closed (`defsetf' methods of `extent-*' in


From: GNU bug Tracking System
Subject: [Emacs-bug-tracker] bug#7319: closed (`defsetf' methods of `extent-*' in emacs-lisp/cl-macs.el)
Date: Mon, 08 Nov 2010 19:15:02 +0000

Your message dated Mon, 08 Nov 2010 14:09:45 -0500
with message-id <address@hidden>
and subject line Re: bug#7319: `defsetf' methods of `extent-*' in 
emacs-lisp/cl-macs.el
has caused the GNU bug report #7319,
regarding `defsetf' methods of `extent-*' in emacs-lisp/cl-macs.el
to be marked as done.

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


-- 
7319: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7319
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: `defsetf' methods of `extent-*' in emacs-lisp/cl-macs.el Date: Tue, 2 Nov 2010 16:38:05 -0400
Current through bzr-102222

emacs-lisp/cl-macs.el has `defsetf' methods for:

 `extent-data', `extent-face', `extent-priority',
 `extent-end-position', `extent-start-position'

AFAICT GNU Emacs deosn't define the corresponding operators:

 `set-extent-data', `set-extent-face',
 `set-extent-priority', `set-extent-endpoints'

GNU Emacs doesn't even support the majority of cl*.el functions at
runtime (let alone setf methods for many core procedures) so why does
it make an attempt tos upport CL related functions for an alien
application's incompatible lisp featureset?

emacs -Q

(defun bubba (x)
  (eval-when-compile (require 'cl))
  x)

M-x compile-defun

(symbol-plist 'extent-data)
(symbol-plist 'extent-face)
(symbol-plist 'extent-priority)
(symbol-plist 'extent-end-position)
(symbol-plist 'extent-start-position)

Is this another example of CL polluting the "global names"?
:P

--
/s_P\



--- End Message ---
--- Begin Message --- Subject: Re: bug#7319: `defsetf' methods of `extent-*' in emacs-lisp/cl-macs.el Date: Mon, 08 Nov 2010 14:09:45 -0500 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)
> emacs-lisp/cl-macs.el has `defsetf' methods for:

>  `extent-data', `extent-face', `extent-priority',
>  `extent-end-position', `extent-start-position'

Funny, eh?
It's most likely the result of CL supporting both Emacs and XEmacs.
Of course, nowadays the Emacs and XEmacs versions aren't kept in sync
any more, so we could get rid of it, although they don't cause any
harm, AFAICT.


        Stefan


--- End Message ---

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