From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas =?UTF-8?Q?R=C3=B6hler?= Newsgroups: gmane.emacs.bugs Subject: bug#20600: 24.5.3: add-hook - wrong arguments error Date: Mon, 18 May 2015 07:34:42 +0200 Message-ID: <555979F2.1010705@easy-emacs.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="------------070603050508040105070900" X-Trace: ger.gmane.org 1431927326 9847 80.91.229.3 (18 May 2015 05:35:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 18 May 2015 05:35:26 +0000 (UTC) To: 20600@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon May 18 07:35:13 2015 Return-path: Envelope-to: geb-bug-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 1YuDhp-0005P2-EI for geb-bug-gnu-emacs@m.gmane.org; Mon, 18 May 2015 07:35:13 +0200 Original-Received: from localhost ([::1]:39178 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuDho-0005me-I6 for geb-bug-gnu-emacs@m.gmane.org; Mon, 18 May 2015 01:35:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50538) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuDhk-0005mZ-Ru for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:35:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YuDhf-0003nZ-Tf for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:35:08 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:38518) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuDhf-0003nM-Q1 for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:35:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YuDhf-0002NN-BI for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:35:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Andreas =?UTF-8?Q?R=C3=B6hler?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 18 May 2015 05:35:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 20600 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.14319273009113 (code B ref -1); Mon, 18 May 2015 05:35:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 18 May 2015 05:35:00 +0000 Original-Received: from localhost ([127.0.0.1]:48493 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YuDhb-0002Mu-FH for submit@debbugs.gnu.org; Mon, 18 May 2015 01:34:59 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:36989) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YuDhZ-0002Me-63 for submit@debbugs.gnu.org; Mon, 18 May 2015 01:34:57 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YuDhT-0003gN-3n for submit@debbugs.gnu.org; Mon, 18 May 2015 01:34:51 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:40836) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuDhT-0003gJ-19 for submit@debbugs.gnu.org; Mon, 18 May 2015 01:34:51 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50494) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuDhS-0005ha-68 for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:34:50 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YuDhM-0003dn-Pn for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:34:49 -0400 Original-Received: from mout.kundenserver.de ([212.227.126.131]:63327) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuDhM-0003cO-Fo for bug-gnu-emacs@gnu.org; Mon, 18 May 2015 01:34:44 -0400 Original-Received: from [192.168.178.31] ([95.119.236.209]) by mrelayeu.kundenserver.de (mreue003) with ESMTPSA (Nemesis) id 0MW7GH-1YePpC0dmz-00XNTu for ; Mon, 18 May 2015 07:34:43 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 X-Provags-ID: V03:K0:/Hf7c6sufIh6C9D3iKUj53HwLV7JWbX4g8RwLvFQZ5yH6PdyOxt +VVh/SgfUe0ROfo+EAxdlGTi5Ec6JUKCSWJd/ArDehlcILTSmkM2TsVZtRo92fXw4OOf0Zu IHmdiwmfsvGkVsM8fec5cLgmumlsVrntMX2JvqXJjMmZtFmkPD+62OCIcEZQWeF5Ndv4ETw 67xHFY3MSlcSM8NSFoSSA== X-UI-Out-Filterresults: notjunk:1; X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:102917 Archived-At: This is a multi-part message in MIME format. --------------070603050508040105070900 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit ||after-change-functions| wrongly accepts functions with three args only Issue is explained in docstring of workaround below. If the function to be hooked in --save-buffer-- doesn't require args, add-hook resp. after-change-functions should not. (defun my-instant-save-buffer (eins zwei drei) "To be hooked into list `after-change-functions' `after-change-functions' expects functions receiving three arguments. Arguments are ignored here, but slots needed by add-hook" (save-buffer)) (add-hook 'after-change-functions 'my-instant-save-buffer)| --------------070603050508040105070900 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit 
after-change-functions wrongly accepts functions with three args only
 
Issue is explained in docstring of workaround below.
If the function to be hooked in --save-buffer-- doesn't require args, add-hook resp. after-change-functions should not.

(defun my-instant-save-buffer (eins zwei drei)
  "To be hooked into list `after-change-functions' 

`after-change-functions' expects functions receiving three arguments. 
Arguments are ignored here, but slots needed by add-hook"
  (save-buffer))

(add-hook 'after-change-functions 'my-instant-save-buffer)
--------------070603050508040105070900--