From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.help Subject: Re: What's wrong with value? Date: 06 Feb 2003 19:28:27 +0100 Organization: T-Online Sender: help-gnu-emacs-bounces+gnu-help-gnu-emacs=m.gmane.org@gnu.org Message-ID: References: <871y2l73pv.fsf@thalassa.informatimago.com> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: main.gmane.org 1044556483 4063 80.91.224.249 (6 Feb 2003 18:34:43 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Thu, 6 Feb 2003 18:34:43 +0000 (UTC) Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 18gqqp-00012B-00 for ; Thu, 06 Feb 2003 19:34:19 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.10.13) id 18gqrx-0004x9-03 for gnu-help-gnu-emacs@m.gmane.org; Thu, 06 Feb 2003 13:35:29 -0500 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!colt.net!peernews3.colt.net!newsfeed.stueberl.de!newsfeed01.sul.t-online.de!newsmm00.sul.t-online.com!t-online.de!news.t-online.com!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 33 Original-X-Trace: news.t-online.com 1044556107 03 15320 W8FeEYKbSJA3nJ 030206 18:28:27 Original-X-Complaints-To: abuse@t-online.com X-Sender: 520018396234-0001@t-dialin.net X-Face: 2FEFf>]>q>2iw=B6,xrUubRI>pR&Ml9=ao@P@i)L:\urd*t9M~y1^:+Y]'C0~{mAl`oQuAl \!3KEIp?*w`|bL5qr,H)LFO6Q=qx~iH4DN;i"; /yuIsqbLLCh/!U#X[S~(5eZ41to5f%E@'ELIi$t^ Vc\LWP@J5p^rst0+('>Er0=^1{]M9!p?&:\z]|;&=NP3AhB!B_bi^]Pfkw User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 Original-Xref: shelby.stanford.edu gnu.emacs.help:109875 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1b5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Help: List-Post: List-Subscribe: , List-Archive: List-Unsubscribe: , Errors-To: help-gnu-emacs-bounces+gnu-help-gnu-emacs=m.gmane.org@gnu.org Xref: main.gmane.org gmane.emacs.help:6381 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:6381 Jesper Harder writes: > Pascal Bourguignon writes: > > > What's happening with this symbol: > > > > (setq value :toto) ;; C-x C-e, :toto appears in Mini-buffer. > > (show value) ;; But value has not been assigned! > > ==> nil > > > > Note that while 'value is a method defined with eieio > > I don't think eieio is the culprit. > > Try it with a clean 'emacs -q --no-site-file' -- the same thing happens. > Very mysterious! (defun eval-last-sexp (eval-last-sexp-arg-internal) "Evaluate sexp before point; print value in minibuffer. Interactively, with prefix argument, print output into current buffer." (interactive "P") (if (null eval-expression-debug-on-error) (eval-last-sexp-1 eval-last-sexp-arg-internal) (let ((old-value (make-symbol "t")) new-value value) (let ((debug-on-error old-value)) (setq value (eval-last-sexp-1 eval-last-sexp-arg-internal)) (setq new-value debug-on-error)) (unless (eq old-value new-value) (setq debug-on-error new-value)) value))) -- David Kastrup, Kriemhildstr. 15, 44793 Bochum