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bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";"
From: |
Stefan Monnier |
Subject: |
bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";" |
Date: |
Wed, 26 Jun 2024 09:46:59 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
>> $K(U_1, V_1, x_1; t_2, x_2)$
>>
>> 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
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/25
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Jeremy Bryant, 2024/06/25
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains "; ", Eli Zaretskii, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";",
Stefan Monnier <=
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Stefan Monnier, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Stefan Monnier, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Stefan Monnier, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Stefan Monnier, 2024/06/26
- bug#71777: 29.4; sexp-at-point in latex-mode when sexp contains ";", Gabriele Nicolardi, 2024/06/27