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From: Alan Mackenzie <acm@muc.de>
To: Andrea Corallo <acorallo@gnu.org>
Cc: acm@muc.de, 66750@debbugs.gnu.org
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	[thread overview]
Message-ID: <ZTzT85HGsSAlBLNb@ACM> (raw)
In-Reply-To: <ZTugdCOArtXvEaR8@ACM>

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 <acm@muc.de> 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} #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_109>
> > >     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).





  reply	other threads:[~2023-10-28  9:27 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-25 17:09 bug#66750: Unhelpful text in C-h v for variables with a lambda form as value Alan Mackenzie
2023-10-25 20:53 ` Andrea Corallo
2023-10-27 11:35   ` Alan Mackenzie
2023-10-28  9:27     ` Alan Mackenzie [this message]
2023-10-28 15:04     ` Stefan Kangas
2023-10-28 15:59       ` Alan Mackenzie
2023-10-28 16:26         ` Eli Zaretskii
2023-10-28 16:57           ` Alan Mackenzie
2023-10-28 17:17         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-28 18:17           ` Alan Mackenzie
2023-10-28 18:38             ` Eli Zaretskii
2023-10-28 18:59               ` Alan Mackenzie
2023-10-28 19:13             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-28 19:59               ` Alan Mackenzie
2023-10-29  4:14                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-29 11:25                   ` Alan Mackenzie
2023-10-29 16:32                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-29 18:50                       ` Alan Mackenzie
2023-10-29 21:47                         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-30  9:44                           ` Alan Mackenzie
2023-11-01 12:47                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-01 15:03                               ` Alan Mackenzie
2023-11-01 18:11                                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-01 20:30                                   ` Alan Mackenzie
2023-11-01 22:46                                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-02  6:13                                       ` Eli Zaretskii
2023-11-02  9:37                                         ` Alan Mackenzie
2023-11-02 10:09                                           ` Eli Zaretskii
2023-11-02 11:52                                             ` Alan Mackenzie
2023-11-02 13:50                                               ` Eli Zaretskii
2023-11-02 15:55                                                 ` Alan Mackenzie
2023-11-02 16:50                                                   ` Eli Zaretskii
2023-11-02 17:12                                                     ` Andrea Corallo
2023-11-02 21:44                                                   ` Stefan Kangas
2023-11-02 22:24                                                     ` Alan Mackenzie
2023-11-03  3:20                                                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-03 19:46                                                         ` Alan Mackenzie
2023-11-03 22:18                                                           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-04 15:31                                                             ` Alan Mackenzie
2023-11-26 12:32                                                             ` Alan Mackenzie
2023-11-27 17:23                                                               ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-03-25 12:03                                                         ` Alan Mackenzie
2023-11-02 20:53               ` Stefan Kangas
2023-11-02 21:20                 ` bug#66750: help-split-fundoc (was: bug#66750: Unhelpful text in C-h v for variables with a lambda form as value) Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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