From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Using "Emacs Configure" **and** modifying .emacs Date: Mon, 14 Aug 2017 23:41:35 +0200 Message-ID: <86wp65rfn4.fsf@zoho.com> References: <1502373086.1171866.1069247696.71F9FED4@webmail.messagingengine.com> <8660dvuzsr.fsf@zoho.com> <1502436066.2568371.1070085968.1D25E0E7@webmail.messagingengine.com> <87tw1ekxgo.fsf@127.0.0.1> <867ey9sva2.fsf@zoho.com> <86k226rtwd.fsf@zoho.com> <86d17yrp6u.fsf@zoho.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1502746962 4538 195.159.176.226 (14 Aug 2017 21:42:42 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 14 Aug 2017 21:42:42 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Aug 14 23:42:36 2017 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dhN84-0000cq-RL for geh-help-gnu-emacs@m.gmane.org; Mon, 14 Aug 2017 23:42:32 +0200 Original-Received: from localhost ([::1]:57292 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dhN8B-0001ud-5x for geh-help-gnu-emacs@m.gmane.org; Mon, 14 Aug 2017 17:42:39 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39530) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dhN7b-0001tr-O7 for help-gnu-emacs@gnu.org; Mon, 14 Aug 2017 17:42:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dhN7W-0005Yt-U9 for help-gnu-emacs@gnu.org; Mon, 14 Aug 2017 17:42:03 -0400 Original-Received: from [195.159.176.226] (port=38432 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dhN7W-0005Y6-NQ for help-gnu-emacs@gnu.org; Mon, 14 Aug 2017 17:41:58 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1dhN7H-0006Np-V3 for help-gnu-emacs@gnu.org; Mon, 14 Aug 2017 23:41:43 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 23 Original-X-Complaints-To: usenet@blaine.gmane.org Mail-Copies-To: never Cancel-Lock: sha1:3bVxJbavTObWsOCqO7I69+LdBys= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:114027 Archived-At: Emanuel Berg wrote: > Here is something that can help speed up the > tracking down of user variables in code already > written: > > (defun echo-user-variable () > (interactive) > (let ((var (variable-at-point t))) ; ANY-SYMBOL > (if (custom-variable-p var) > (message "user variable") > (message "something else") ))) > (defalias 'euv 'echo-user-variable) Another interesting thing is, because as we see above it is easy to find out if a symbol is a user variable or not, so why doesn't the byte compiler warn when `setq' is used if it really is a problem doing so? -- underground experts united http://user.it.uu.se/~embe8573