From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Gabriele Nicolardi <gabriele@medialab.sissa.it>, 71777@debbugs.gnu.org
Subject: bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";"
Date: Wed, 26 Jun 2024 09:46:59 -0400 [thread overview]
Message-ID: <jwvo77nzv42.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <86v81v98u0.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 26 Jun 2024 15:39:35 +0300")
>> $K(U_1, V_1, x_1; t_2, x_2)$
>>
>> If the pointer is located on the opened "(" and I run "forward-sexp" it
>> works and the
>> pointer goes after the closed ")".
>>
>> But if, again, the pointer is located on the opened "(" and I evaluate
>> "(sexp-at-point)" it returns nil.
>>
>> If I remove the ";" symbol from the expression it works and returns the
>> sexp-at-point:
>>
>> $K(U_1, V_1, x_1 t_2, x_2)$
>>
>> Is it a bug?
>
> I don't think it's a bug. forward-sexp moves across balanced
> expressions, so it is not specific to Lisp. By contrast,
> sexp-at-point is specific to Lisp and Lisp-like syntax, and so it uses
> the buffer's syntax. Which is why ';' affects the result.
>
> Adding Stefan in case he has comments for this.
AFAICT, `sexp-at-point` correctly finds the parenthesized thingy, but it
is asked to return the Lisp object it represents rather than a string,
so it `read`s, which inevitably obeys the ELisp syntax.
IOW, I suspect you want (thing-at-point 'sexp) rather than
(sexp-at-point).
Stefan
next prev parent reply other threads:[~2024-06-26 13:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-25 17:53 bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";" Gabriele Nicolardi
2024-06-25 21:52 ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-25 22:51 ` Gabriele Nicolardi
2024-06-26 12:39 ` bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains "; " Eli Zaretskii
2024-06-26 13:46 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2024-06-26 15:52 ` bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";" Gabriele Nicolardi
2024-06-26 20:11 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-26 20:18 ` Gabriele Nicolardi
2024-06-26 20:25 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-26 20:40 ` Gabriele Nicolardi
2024-06-26 21:04 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-26 21:14 ` Gabriele Nicolardi
2024-06-26 21:26 ` Gabriele Nicolardi
2024-06-26 22:19 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-06-27 6:01 ` Gabriele Nicolardi
2024-06-29 12:25 ` Eli Zaretskii
2024-06-26 19:43 ` Gabriele Nicolardi
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