From xemacs-m  Tue Jul 29 09:48:34 1997
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To: XEmacs BETA <xemacs-beta@xemacs.org>
Subject: Re: `edebug' doesn't like #' syntax unless #'(lambda ...
References: <87zpr6obs5.fsf@bittersweet.inetarena.com> <m27mea19s2.fsf@altair.xemacs.org>
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From: karlheg+xemacs@inetarena.com (Karl M. Hegbloom)
Date: 29 Jul 1997 07:48:47 -0700
In-Reply-To: SL Baur's message of "29 Jul 1997 02:34:53 -0700"
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>>>>> "sb" == SL Baur <steve@xemacs.org> writes:

    sb> Can you be more specific?

(defsubst join (expr &rest list)
  (substring (apply #'concat (mapcar #'(lambda (elt)
					 (concat elt expr))
				     list))
	     0 (- (length expr))))

 If you paste that into a scratch buffer, put your cursor inside it,
and do M-x edebug-defun, it will blonk at you and complain about the
#' syntax, saying that it expects a lambda with a #'.  It leaves the
cursor on the "error".  If you remove the sharp, it will take it and
trace it like it should.  With the sharp in place, eval-defun will
read it fine, and the function will work.

Q: Is the #' really anything more than syntactic sugar?


-- 
mailto:karlheg+sig@inetarena.com (Karl M. Hegbloom)
http://www.inetarena.com/~karlheg
Portland, OR  USA
Debian GNU 1.3  Linux 2.0.30+parport AMD K5 PR-133

