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bug#66750: Unhelpful text in C-h v for variables with a lambda form as v
From: |
Alan Mackenzie |
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 |
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).
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Alan Mackenzie, 2023/10/25
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Andrea Corallo, 2023/10/25
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Alan Mackenzie, 2023/10/27
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Stefan Monnier, 2023/10/28
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Alan Mackenzie, 2023/10/28
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Eli Zaretskii, 2023/10/28
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Alan Mackenzie, 2023/10/28
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Stefan Monnier, 2023/10/28
- bug#66750: Unhelpful text in C-h v for variables with a lambda form as value, Alan Mackenzie, 2023/10/28