From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Kevin Rodgers Newsgroups: gmane.emacs.help Subject: Re: Adding to ps-print-hook problems Date: Mon, 16 Sep 2002 10:37:34 -0600 Sender: help-gnu-emacs-admin@gnu.org Message-ID: <3D8608CE.9000802@ihs.com> References: NNTP-Posting-Host: localhost.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Trace: main.gmane.org 1032194766 25705 127.0.0.1 (16 Sep 2002 16:46:06 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Mon, 16 Sep 2002 16:46:06 +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 17qz0a-0006fM-00 for ; Mon, 16 Sep 2002 18:46:01 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.10) id 17qz0o-00075x-00; Mon, 16 Sep 2002 12:46:14 -0400 Original-Path: shelby.stanford.edu!nntp.stanford.edu!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!newsfeed.freenet.de!newsfeed.r-kom.de!fu-berlin.de!uni-berlin.de!170.207.51.80!not-for-mail Original-Newsgroups: comp.emacs,gnu.emacs.help Original-Lines: 41 Original-NNTP-Posting-Host: 170.207.51.80 Original-X-Trace: fu-berlin.de 1032194254 2868443 170.207.51.80 (16 [82742]) User-Agent: Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv:0.9.4.1) Gecko/20020406 Netscape6/6.2.2 X-Accept-Language: en-us Original-Xref: nntp.stanford.edu comp.emacs:74535 gnu.emacs.help:104948 Original-To: help-gnu-emacs@gnu.org Errors-To: help-gnu-emacs-admin@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: Xref: main.gmane.org gmane.emacs.help:1503 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:1503 Jeff Rancier wrote: > Hi all. I wanted to create a simple function to prompt me for the n-up > number of pages to print when I run the function, > ps-print-buffer-with-faces. Here's what I came up with: > > (defun jbr-ps-print-n-up-hook (number-of-pages) > (interactive "nN-up number of pages: ") > (setq ps-n-up-printing number-of-pages)) > > (add-hook 'ps-print-hook 'jbr-ps-print-n-up-hook) > > I thought that was pretty straight forward. When I select that from the > menu-bar, I get the following in my *Messages* buffer: > > Debugger entered--Lisp error: (wrong-number-of-arguments (lambda > (number-of-pages) (interactive "nN-up number of pages: ") (setq > ps-n-up-printing number-of-pages)) 0) > jbr-ps-print-n-up-hook() > run-hooks(ps-print-hook) > ps-spool-with-faces(1 2947 nil) > ps-print-with-faces(1 2947 nil) > ps-print-buffer-with-faces(nil) > * call-interactively(ps-print-buffer-with-faces) > > Is that the wrong-number-of-arguments to run-hooks? And if so, is that a > bug in ps-print? Or am I incorrectly writing my hook, > jbr-ps-print-n-up-hook? I am simply calling ps-print-buffer-with-faces() > incorrectly, now that it is interactive? Hook functions are always called with no arguments, but your function requires one argument. Just make it optional: (defun jbr-ps-print-n-up-hook (optional number-of-pages) ...) -- Kevin Rodgers