From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thorsten Jolitz Newsgroups: gmane.emacs.help Subject: Re: `call-interactively' and prefix args Date: Tue, 03 Jun 2014 15:15:04 +0200 Message-ID: <8761kim8x3.fsf@gmail.com> References: <87a99uma8o.fsf@gmail.com> <87r436gnfq.fsf@geodiff-mac3.ulb.ac.be> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1401801954 25059 80.91.229.3 (3 Jun 2014 13:25:54 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 3 Jun 2014 13:25:54 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Jun 03 15:25:47 2014 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Wroil-0002AV-IQ for geh-help-gnu-emacs@m.gmane.org; Tue, 03 Jun 2014 15:25:43 +0200 Original-Received: from localhost ([::1]:53207 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wroil-0004wp-3a for geh-help-gnu-emacs@m.gmane.org; Tue, 03 Jun 2014 09:25:43 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39343) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WroYy-0007Uy-Bt for help-gnu-emacs@gnu.org; Tue, 03 Jun 2014 09:15:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WroYs-0004RF-0x for help-gnu-emacs@gnu.org; Tue, 03 Jun 2014 09:15:36 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:57491) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WroYr-0004RB-P3 for help-gnu-emacs@gnu.org; Tue, 03 Jun 2014 09:15:29 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WroYn-0003EO-8g for help-gnu-emacs@gnu.org; Tue, 03 Jun 2014 15:15:25 +0200 Original-Received: from e178058078.adsl.alicedsl.de ([85.178.58.78]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 03 Jun 2014 15:15:25 +0200 Original-Received: from tjolitz by e178058078.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 03 Jun 2014 15:15:25 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 25 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: e178058078.adsl.alicedsl.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) Cancel-Lock: sha1:d0qvaIgleCO0PNyFRMgUSDi4MbI= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:98002 Archived-At: Nicolas Richard writes: > Thorsten Jolitz writes: >> So, when I have an (interactive) command cmd1 that calls a >> non-interactive function fun that calls another (interactive "P") >> command cmd2 with `call-interactively' - can I assume that a prefix arg >> (e.g. by C-u) given before calling cmd1 will be transferred to cmd2? > > current-prefix-arg is used. If cmd1 changes it, anything can happen. > > e.g. > > (global-set-key (kbd "") (lambda () (interactive) (yffoo))) > (defun yffoo () (setq current-prefix-arg '(5)) (call-interactively 'yfbar)) > (defun yfbar (&optional arg) (interactive "P") (message "arg is %S" arg)) > > hitting f6 will show that arg is (5) (which doesn't make sense in an > true interactive call) Ok, thanks! Then misbehaviour must be coded explicitly, otherwise things should work as expected ... what is good. -- cheers, Thorsten