unofficial mirror of help-gnu-emacs@gnu.org
 help / color / mirror / Atom feed
From: Alex Kost <alezost@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Help needed with defadvice
Date: Sat, 23 Nov 2013 19:43:13 +0400	[thread overview]
Message-ID: <87vbzj2kfi.fsf@gmail.com> (raw)
In-Reply-To: <jwv8uwfxjhy.fsf-monnier+gmane.emacs.help@gnu.org> (Stefan Monnier's message of "Sat, 23 Nov 2013 09:48:44 -0500")

Stefan Monnier (2013-11-23 18:48 +0400) wrote:

>> 	  (,(or parent 'kill-all-local-variables))   <<<<<<<<<
> [...]
>> Does anyone know why this is there?
>
> Read the Elisp manual's description of what a major mode should do.
> Buffer-local variables are (in their majority) specific a particular
> major mode, hence they are reset when the major mode changes.

Thanks for the explanation.

(info "(elisp) Creating Buffer-Local") tells about that.  Happily there
is still a possibility for a buffer-local variable to survive after
`kill-all-local-variables': setting a `permanent-local' property of that
variable to non-nil.

Perry Smith, I think this can help you.



  parent reply	other threads:[~2013-11-23 15:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-22  2:45 Help needed with defadvice Perry Smith
2013-11-22  6:27 ` Eric Abrahamsen
2013-11-22  7:09 ` Alex Kost
2013-11-22 15:50   ` Perry Smith
2013-11-22 21:56     ` Alex Kost
2013-11-23  1:41       ` Perry Smith
2013-11-23  7:00         ` Alex Kost
2013-11-23 14:48         ` Stefan Monnier
2013-11-23 15:22           ` Perry Smith
2013-11-23 15:38             ` Stefan Monnier
2013-11-23 16:24               ` Perry Smith
2013-11-24 18:21                 ` Stefan Monnier
2013-11-23 15:43           ` Alex Kost [this message]
     [not found]   ` <mailman.6834.1385135422.10748.help-gnu-emacs@gnu.org>
2013-11-23  8:35     ` jack-mac
2013-11-22 14:44 ` Stefan Monnier

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

  List information: https://www.gnu.org/software/emacs/

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

  git send-email \
    --in-reply-to=87vbzj2kfi.fsf@gmail.com \
    --to=alezost@gmail.com \
    --cc=help-gnu-emacs@gnu.org \
    /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. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).