From: Eli Zaretskii <eliz@gnu.org>
To: arthur miller <arthur.miller@live.com>
Cc: emacs-devel@gnu.org
Subject: Re: Suggestion: two new commands: beginning-of-list and end-of-list
Date: Mon, 09 Sep 2024 22:11:26 +0300 [thread overview]
Message-ID: <86le00ve01.fsf@gnu.org> (raw)
In-Reply-To: <AS8PR02MB1010719914E39AC2151D8225D96992@AS8PR02MB10107.eurprd02.prod.outlook.com> (message from arthur miller on Mon, 9 Sep 2024 18:32:33 +0000)
> From: arthur miller <arthur.miller@live.com>
> Date: Mon, 9 Sep 2024 18:32:33 +0000
>
> In elisp-mode.el, there is a function, IMO somewhat unfortunately named
> "elisp--beginning-of-sexp". What this function does is to place cursor at the
> beginning of the innermost list, which we can perhaps call more conveniently,
> "current list".
>
> The function does so always, and is relatively well written, minor the case when
> the cursor is placed in a literal string or outside a symbolic expression, say
> between two top-level forms. In those cases, it jumps into the first string
> before the current string, which might be anywhere in the file prior to the
> current string, or to the beginning of the file.
>
> I took me a liberty to rename this function and update the doc to a more
> appropriate wording, and turn it into a command. I have also patched the
> above mentioned cases when it is invoked in a literal string or outside of
> an expression.
>
> As another consideration, I have moved this function into lisp.el (in
> lisp/emacs-lisp/) in the sources. It does not look like it has nothing
> particularly specific to EmacsLisp per se, seems like it should work on any
> "parenthesis"-language. I have tested it successfully in both CommonLisp and
> EmacsLisp files.
>
> I found only one user of elisp--beginning-of-sexp in the entire Emacs, and that
> is the function directly above: elisp--fnsym-in-current-sexp.
>
> Emacs already has few functions for motion over lists and symbolic expressions,
> but actually not the one that places the cursor at the beginning of a list.
I think we do have it: C-M-u, backward-up-list. What's more, it works
not only in Lisp. I use it all the time.
So I wonder why we need another function that does basically the same.
Thanks.
next prev parent reply other threads:[~2024-09-09 19:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-09 18:32 Suggestion: two new commands: beginning-of-list and end-of-list arthur miller
2024-09-09 19:11 ` Eli Zaretskii [this message]
2024-09-09 19:41 ` Sv: " arthur miller
2024-09-09 19:41 ` arthur miller
2024-09-10 11:30 ` Eli Zaretskii
2024-09-10 15:10 ` Sv: " arthur miller
2024-09-10 15:48 ` Eli Zaretskii
2024-09-11 5:39 ` Sv: " arthur miller
2024-09-12 4:24 ` Emanuel Berg
2024-09-11 3:17 ` Sv: " Karthik Chikmagalur
2024-09-11 5:48 ` Sv: " arthur miller
2024-09-10 12:05 ` Yuri Khan
-- strict thread matches above, loose matches on Subject: below --
2024-09-13 13:30 arthur miller
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