GNU bug report logs - #71363
14.0.5; AUCTeX 14.05 and LaTeX Mode

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Message #53 received at 71363 <at> debbugs.gnu.org (full text, mbox):

From: Arash Esbati <arash <at> gnu.org>
To: Ikumi Keita <ikumi <at> ikumi.que.jp>
Cc: 71363 <at> debbugs.gnu.org, Robert Morelli <morelli <at> flux.utah.edu>,
 Paul Nelson <ultrono <at> gmail.com>
Subject: Re: bug#71363: 14.0.5; AUCTeX 14.05 and LaTeX Mode
Date: Fri, 05 Jul 2024 09:33:54 +0200

Hi Keita,

Ikumi Keita <ikumi <at> ikumi.que.jp> writes:

> I'd like to take this opportunity to take `major-mode-remap-defaults',
> which will be introduced in Emacs 30, into account as well so that
> AUCTeX wouldn't alter the user customize option
> `major-mode-remap-alist'. Thus I propose the attached patch.

Thanks, catering for `major-mode-remap-defaults' is probably a good
idea.  I have some minor comments below.

> From 78a32e5605a75f2cdbe0e0e3355aad158801b527 Mon Sep 17 00:00:00 2001
> From: Ikumi Keita <ikumi <at> ikumi.que.jp>
> Date: Tue, 12 Mar 2024 14:55:11 +0900
> Subject: [PATCH] Keep compatibility with Org mode src editing (bug#71363)
>
> * tex-site.el.in (TeX-modes-set): Add entries for AUCTeX LaTeX mode to
> `org-src-lang-modes'.
> Use `major-mode-remap-defaults' for Emacs 30 and later, instead of
> `major-mode-remap-alist', in order to avoid altering user customize
> option.
> ---
>  tex-site.el.in | 58 +++++++++++++++++++++++++++++++++++---------------
>  1 file changed, 41 insertions(+), 17 deletions(-)
>
> diff --git a/tex-site.el.in b/tex-site.el.in
> index 911a2080..62e6583b 100644
> --- a/tex-site.el.in
> +++ b/tex-site.el.in
> @@ -113,29 +113,53 @@ Arrange the redirection of the built-in TeX modes according to VALUE.
>  - The built-in modes in VALUE are redirected to the corresponding
>    AUCTeX major modes.
>  - The built-in modes not in VALUE discard redirection, if any.
> -If `major-mode-remap-alist' is available, use it for redirection.
> -Otherwise, use advice facility."
> +If either `major-mode-remap-defaults' or `major-mode-remap-alist'
> +is available, use it for redirection

, in that order

> .  Otherwise, use advice
> +facility."
>    (custom-set-default var value)
>    (let (elt dst)
>      (dolist (entry TeX-mode-alist)
>        (setq elt (car entry)
>              dst (cdr entry))
>        (if (memq elt value)
> -          (if (boundp 'major-mode-remap-alist)
> -              (or (eq (cdr-safe (assq elt major-mode-remap-alist)) dst)
> -                  (push (cons elt dst) major-mode-remap-alist))
> -            ;; COMPATIBILITY for Emacs<29
> -            (advice-add elt :override dst
> -                        ;; COMPATIBILITY for Emacs 28.[12]
> -                        ;; Give it higher precedence than the :around
> -                        ;; advice given to `tex-mode' in tex-mode.el.
> -                        ;; <URL:https://lists.gnu.org/r/auctex-devel/2022-09/msg00050.html>
> -                        '((depth . -10))))
> -        (if (boundp 'major-mode-remap-alist)
> -            (setq major-mode-remap-alist
> -                  (delete entry major-mode-remap-alist))
> -          ;; COMPATIBILITY for Emacs<29
> -          (advice-remove elt dst))))))
> +          (progn
> +            (cond ((boundp 'major-mode-remap-defaults)
> +                   ;; For Emacs 30 and later
> +                   (add-to-list 'major-mode-remap-defaults (cons elt dst)))
> +                  ((boundp 'major-mode-remap-alist)
> +                   ;; COMPATIBILITY for Emacs 29
> +                   (add-to-list 'major-mode-remap-alist (cons elt dst)))
> +                  (t
> +                   ;; COMPATIBILITY for Emacs<29
> +                   (advice-add elt :override dst
> +                               ;; COMPATIBILITY for Emacs 28
> +                               ;; Give it higher precedence than the :around
> +                               ;; advice given to `tex-mode' in tex-mode.el.
> +                               ;; <URL:https://lists.gnu.org/r/auctex-devel/2022-09/msg00050.html>
> +                               '((depth . -10)))))
> +            ;; Keep compatibility.  (bug#71363)
> +            (if (eq elt 'latex-mode)
> +                (with-eval-after-load 'org-src
> +                  (progn

Do you need this extra `progn' inside `with-eval-after-load'?

> +                    (defvar org-src-lang-modes) ; Silence byte compiler.
> +                    ;; Check the actual presence in the entry in case
> +                    ;; that the user once choosed AUCTeX LaTeX mode and
> +                    ;; abandoned it afterwards in the same emacs
> +                    ;; session.
> +                    (when (memq 'latex-mode TeX-modes)
> +                      (push '("latex" . LaTeX) org-src-lang-modes)
> +                      (push '("beamer" . LaTeX) org-src-lang-modes))))))
> +        (cond ((boundp 'major-mode-remap-defaults)
> +               ;; For Emacs 30 and later
> +               (setq major-mode-remap-defaults
> +                     (delete entry major-mode-remap-defaults)))
> +              ((boundp 'major-mode-remap-alist)
> +               ;; COMPATIBILITY for Emacs 29
> +               (setq major-mode-remap-alist
> +                     (delete entry major-mode-remap-alist)))
> +              (t
> +               ;; COMPATIBILITY for Emacs<29
> +               (advice-remove elt dst)))))))
>  
>  (defcustom TeX-modes
>    (mapcar #'car TeX-mode-alist)

Best, Arash

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