From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#25292: Ambiguity in doc string of defvar Date: Thu, 29 Dec 2016 19:42:38 +0000 Message-ID: <20161229194238.GA3387@acm.fritz.box> References: <20161229181838.GB2531@acm.fritz.box> <83r34qtwqs.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: blaine.gmane.org 1483040658 988 195.159.176.226 (29 Dec 2016 19:44:18 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 29 Dec 2016 19:44:18 +0000 (UTC) User-Agent: Mutt/1.5.24 (2015-08-30) Cc: 25292@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 29 20:44:09 2016 Return-path: Envelope-to: geb-bug-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 1cMgcQ-0007Om-Nc for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 Dec 2016 20:44:06 +0100 Original-Received: from localhost ([::1]:37061 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMgcV-0005Tl-Kt for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 Dec 2016 14:44:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44507) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMgcP-0005Td-Pt for bug-gnu-emacs@gnu.org; Thu, 29 Dec 2016 14:44:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cMgcM-00021K-Nt for bug-gnu-emacs@gnu.org; Thu, 29 Dec 2016 14:44:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:44007) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cMgcM-00021C-K5 for bug-gnu-emacs@gnu.org; Thu, 29 Dec 2016 14:44:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cMgcM-0004aU-8G for bug-gnu-emacs@gnu.org; Thu, 29 Dec 2016 14:44:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 29 Dec 2016 19:44:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 25292 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 25292-submit@debbugs.gnu.org id=B25292.148304058217558 (code B ref 25292); Thu, 29 Dec 2016 19:44:02 +0000 Original-Received: (at 25292) by debbugs.gnu.org; 29 Dec 2016 19:43:02 +0000 Original-Received: from localhost ([127.0.0.1]:59406 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cMgbO-0004Yz-5j for submit@debbugs.gnu.org; Thu, 29 Dec 2016 14:43:02 -0500 Original-Received: from ocolin.muc.de ([193.149.48.4]:41347 helo=mail.muc.de) by debbugs.gnu.org with smtp (Exim 4.84_2) (envelope-from ) id 1cMgbL-0004Yi-V5 for 25292@debbugs.gnu.org; Thu, 29 Dec 2016 14:43:00 -0500 Original-Received: (qmail 25034 invoked by uid 3782); 29 Dec 2016 19:42:58 -0000 Original-Received: from acm.muc.de (p548C6C46.dip0.t-ipconnect.de [84.140.108.70]) by colin.muc.de (tmda-ofmipd) with ESMTP; Thu, 29 Dec 2016 20:42:57 +0100 Original-Received: (qmail 3442 invoked by uid 1000); 29 Dec 2016 19:42:38 -0000 Content-Disposition: inline In-Reply-To: <83r34qtwqs.fsf@gnu.org> X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:127559 Archived-At: Hello, Eli. On Thu, Dec 29, 2016 at 08:29:15PM +0200, Eli Zaretskii wrote: > > Date: Thu, 29 Dec 2016 18:18:38 +0000 > > From: Alan Mackenzie > > INITVALUE is evaluated, and if SYMBOL's value is void, it is used to > > set SYMBOL. ^^ > That "it" is ambiguous. By default, people tend to interpret "it" as > referring to the last noun before it, but that's not what you mean in > this case. Yes, it's no better than what I was complaining about. :-( > And after all that, are you sure INITVALUE is always evaluated? I've had a look at eval.c. INITVALUE is evaluated only when it's going to be used. So, maybe the whole paragraph should look like this: If SYMBOL's value is void and the optional argument INITVALUE is provided, INITVALUE is evaluated and the result used to set SYMBOL. If SYMBOL is buffer-local, its default value is what is set; buffer-local values are not affected. If INITVALUE is missing, SYMBOL's value is not set. What do you think? -- Alan Mackenzie (Nuremberg, Germany).