all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: Alan Mackenzie <acm@muc.de>
To: Dave Abrahams <dave@boostpro.com>
Cc: emacs-devel@gnu.org
Subject: Re: lexical-binding rationale?
Date: Thu, 12 Jan 2012 18:49:10 +0000	[thread overview]
Message-ID: <20120112184910.GB3132@acm.acm> (raw)
In-Reply-To: <m2d3aosqkm.fsf@pluto.luannocracy.com>

On Thu, Jan 12, 2012 at 01:50:33PM -0500, Dave Abrahams wrote:

> on Thu Jan 12 2012, Alan Mackenzie <acm-AT-muc.de> wrote:

> > On Thu, Jan 12, 2012 at 11:47:35AM -0500, Dave Abrahams wrote:

> > Request for clarification:

> >> I'm sure this has been discussed to death, so please feel free to
> >> respond with a link, but... can anyone point me to a rationale for
> >> dynamically altering such a fundamental language behavior on the
> >> basis of a variable's value?

> > What, exactly does "dynamically altering" mean?

> Sorry, that's a very dangerous term developed in secret at the
> U.S. Department of Redundancy Department.

> Let's just say, "altering"

> > What is the "fundamental language behaviour" which is being/to be
> > dynamically altered.  
> > What precise relationship has been abstracted to "on the basis of"?
> > Which "variable's value" is meant here.

> My understanding is that Emacs is using a buffer-local variable called
> `lexical-binding' to determine whether variable bindings shall be
> dynamic or lexical.

OK, got you now!  Thanks.

> -- 
> Dave Abrahams

-- 
Alan Mackenzie (Nuremberg, Germany).



  reply	other threads:[~2012-01-12 18:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-12 16:47 lexical-binding rationale? Dave Abrahams
2012-01-12 18:01 ` Alan Mackenzie
2012-01-12 18:50   ` Dave Abrahams
2012-01-12 18:49     ` Alan Mackenzie [this message]
2012-01-12 20:51 ` Glenn Morris
2012-01-12 22:00   ` Stefan Monnier
2012-01-13  7:55     ` Glenn Morris
2012-01-14  2:30       ` Stefan Monnier
2012-01-13  5:17 ` Richard Stallman
2012-01-13 15:28   ` Dave Abrahams
2012-01-13 18:37     ` Stefan Monnier
2012-01-13 19:19       ` Dave Abrahams
2012-01-14  0:59     ` Ted Zlatanov

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=20120112184910.GB3132@acm.acm \
    --to=acm@muc.de \
    --cc=dave@boostpro.com \
    --cc=emacs-devel@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.
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.