From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#66750: Unhelpful text in C-h v for variables with a lambda form as value Date: Sat, 28 Oct 2023 09:27:15 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39183"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, 66750@debbugs.gnu.org To: Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Oct 28 11:27:48 2023 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 1qwfbg-000A22-L6 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 28 Oct 2023 11:27:48 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qwfbP-0001Wu-UE; Sat, 28 Oct 2023 05:27:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qwfbO-0001W5-Ld for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2023 05:27:30 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qwfbO-00016H-DN for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2023 05:27:30 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qwfbt-0002Iz-T9 for bug-gnu-emacs@gnu.org; Sat, 28 Oct 2023 05:28:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 28 Oct 2023 09:28:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66750 X-GNU-PR-Package: emacs Original-Received: via spool by 66750-submit@debbugs.gnu.org id=B66750.16984852798853 (code B ref 66750); Sat, 28 Oct 2023 09:28:01 +0000 Original-Received: (at 66750) by debbugs.gnu.org; 28 Oct 2023 09:27:59 +0000 Original-Received: from localhost ([127.0.0.1]:37756 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qwfbq-0002Ih-QX for submit@debbugs.gnu.org; Sat, 28 Oct 2023 05:27:59 -0400 Original-Received: from mail.muc.de ([193.149.48.3]:43603) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qwfbm-0002IO-St for 66750@debbugs.gnu.org; Sat, 28 Oct 2023 05:27:57 -0400 Original-Received: (qmail 8478 invoked by uid 3782); 28 Oct 2023 11:27:16 +0200 Original-Received: from acm.muc.de (p4fe15319.dip0.t-ipconnect.de [79.225.83.25]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Sat, 28 Oct 2023 11:27:15 +0200 Original-Received: (qmail 26386 invoked by uid 1000); 28 Oct 2023 09:27:15 -0000 Content-Disposition: inline In-Reply-To: X-Submission-Agent: TMDA/1.3.x (Ph3nix) X-Primary-Address: acm@muc.de 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:273421 Archived-At: Hello, Andrea. On Fri, Oct 27, 2023 at 11:35:16 +0000, Alan Mackenzie wrote: > On Wed, Oct 25, 2023 at 16:53:38 -0400, Andrea Corallo wrote: > > Alan Mackenzie writes: [ .... ] > > > I see two ways to fix this bug: > > > (i) Systematically to replace each of these lambda functions by a named > > > defun. > > > (ii) To adopt git branch feature/named-lambdas, which attaches to every > > > lambda function the name of the defun (or defvar) in which it was > > > defined. This extra information could then be printed out for C-h v, > > > something like this: > > > Its value is > > > {isearch-fold-quotes-mode} # > > > Original value was nil > > > Local in buffer *info*<3>; global value is nil > > > , thus enabling the user quickly to locate the source of the lambda form > > > in isearch.el. > > Hi Alan, > > what (if any) do you think are the downsides of option ii? > Currently feature/named-lambdas is mostly working, not fully working. > Probably the most pressing of these deficiencies is that native compiled > lambda functions don't yet get their defining symbol set. They do now. In feature/named-lambdas, I now see C-h v search-default-mode giving the above display when invoked from an info buffer. > There have been substantial amendments compared with the master branch, > and it has not been tested much by anybody but me. > Assuming it can be brought to a fully working state, there would be an > extra symbol in each function definition which would make Emacs > marginally bigger. > > Thanks > > Andrea -- Alan Mackenzie (Nuremberg, Germany).