From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#43836: 27.1; Doc string of `alist-get' Date: Wed, 07 Oct 2020 04:51:40 +0200 Message-ID: <87d01u929v.fsf@gnus.org> References: <3022a1e4-54c0-492e-8175-8067fb306cb1@default> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21645"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 43836@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Oct 07 04:52:16 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kPzYt-0005Y5-U5 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 07 Oct 2020 04:52:15 +0200 Original-Received: from localhost ([::1]:53486 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kPzYs-0004Br-Sl for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 06 Oct 2020 22:52:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44910) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kPzYg-0004A0-Fn for bug-gnu-emacs@gnu.org; Tue, 06 Oct 2020 22:52:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43085) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kPzYg-000898-6i for bug-gnu-emacs@gnu.org; Tue, 06 Oct 2020 22:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kPzYg-0007ku-4v for bug-gnu-emacs@gnu.org; Tue, 06 Oct 2020 22:52:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 07 Oct 2020 02:52:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43836 X-GNU-PR-Package: emacs Original-Received: via spool by 43836-submit@debbugs.gnu.org id=B43836.160203911329782 (code B ref 43836); Wed, 07 Oct 2020 02:52:02 +0000 Original-Received: (at 43836) by debbugs.gnu.org; 7 Oct 2020 02:51:53 +0000 Original-Received: from localhost ([127.0.0.1]:54628 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kPzYW-0007kI-Sh for submit@debbugs.gnu.org; Tue, 06 Oct 2020 22:51:53 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:39078) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kPzYV-0007k5-2f for 43836@debbugs.gnu.org; Tue, 06 Oct 2020 22:51:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=tSoyRlJGth+Nf5gHOgqZI0XFdVaHdt0PRq9ME8awPlo=; b=LjJZxMbrpQiGMTAlQYdb3E0yA6 BmRN+oWLztHLgYOtUkuO3ueLAetwEyWMsqZURRbvbJ4M4sQuAzfdzpe36LlvLuIbMXXw56hJ98l2A gwnFATKoLzucI1Vh3BNR6obOPZFEHZL8bJlt8Aqex0f+BlDYnMNZqVmsSHsmguggLWto=; Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=xo) by quimby with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kPzYL-0000G1-Rt; Wed, 07 Oct 2020 04:51:44 +0200 X-Now-Playing: Richard and Linda Thompson's _I Want To See The Bright Lights Tonight_: "The End Of The Rainbow" In-Reply-To: <3022a1e4-54c0-492e-8175-8067fb306cb1@default> (Drew Adams's message of "Tue, 6 Oct 2020 12:26:40 -0700 (PDT)") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:189958 Archived-At: Drew Adams writes: > The doc string is less clear in 27.1 than it was in 26.3. > > Instead of saying that a generalized variable is involved, it says: > > You can use `alist-get' in PLACE expressions. This will modify > an existing association (more precisely, the first one if > multiple exist), or add a new element to the beginning of ALIST, > destructively modifying the list stored in ALIST. > > A user can a least look up "generalized variable" in Emacs 26. The > Emacs 27 version just refers to "PLACE expressions", which is unclear > and can't be looked up easily. And why is PLACE uppercase, which > indicates that it's something in the calling sequence or is otherwise > defined in the doc string somehow? I've now reintroduced "generalized variable" and downcased PLACE in Emacs 28. > It's also not clear how _adding_ a new element to the beginning of ALIST > destructively modifies it. Does it really mean setting the car of ALIST > to a different element, not adding an element? The example that follows on clarifies what's meant here. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no