all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Martyn Jago <martyn.jago@btinternet.com>
Cc: emacs-devel@gnu.org
Subject: Re: Evil defvars in org.el
Date: Wed, 09 May 2012 13:37:51 -0400	[thread overview]
Message-ID: <jwv7gwls1ce.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <m2havq5lxh.fsf@btinternet.com> (Martyn Jago's message of "Tue, 08 May 2012 23:48:26 +0100")

>> org.el (and org-agenda.el, and maybe others) have defvars like this:
>> 
>> (defvar entry)
>> (defvar date)
>> 
>> This is going to blow up in someone's face, because it makes `entry' and
>> `date' unusable as lexical variables, even though those are very common
>> variable names.  That is to say, loading Org mode would change the
>> behavior of packages using lexical binding in some unpredictable way.
>> 
>> Why does org need to do this?  Could you try to clean it up?

> Perhaps Emacs can prefix the `evil vars' and alias them to the original,
> with a deprecation warning?

Oh, no, no, please no, if you alias them then they become globally
"dynamic vars", whereas currently they're only dynamic vars within the
files that do (defvar entry) so the damage is somewhat contained.


        Stefan



      reply	other threads:[~2012-05-09 17:37 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-27  3:17 Evil defvars in org.el Chong Yidong
2012-04-27  6:07 ` Bastien
2012-04-27 14:48   ` Bastien
2012-04-27 14:57     ` Edward Reingold
2012-04-27 16:14       ` Bastien
2012-04-27 17:09       ` SAKURAI Masashi
2012-04-27 16:05     ` Glenn Morris
2012-04-27 16:33       ` Drew Adams
2012-04-28  0:15         ` Miles Bader
2012-04-28  0:17           ` Drew Adams
2012-04-28  0:48             ` Miles Bader
2012-04-28  2:25       ` Chong Yidong
2012-05-04  6:56         ` Glenn Morris
2012-05-04 15:29           ` Stefan Monnier
2012-05-04 20:53             ` Johan Bockgård
2012-05-05  0:37               ` Stefan Monnier
2012-05-05 20:00             ` Glenn Morris
2012-05-07 14:57               ` Stefan Monnier
2012-04-28  2:14 ` Stefan Monnier
2012-04-28  5:57   ` Achim Gratz
2012-04-28 15:10     ` Stefan Monnier
2012-04-28 16:31       ` Achim Gratz
2012-04-28 19:33         ` Stefan Monnier
2012-04-28  6:00   ` Drew Adams
2012-05-08 22:48 ` Martyn Jago
2012-05-09 17:37   ` Stefan Monnier [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jwv7gwls1ce.fsf-monnier+emacs@gnu.org \
    --to=monnier@iro.umontreal.ca \
    --cc=emacs-devel@gnu.org \
    --cc=martyn.jago@btinternet.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this external index

	https://git.savannah.gnu.org/cgit/emacs.git
	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.