Re: Broken lisp-fill-paragraph post Emacs 28 update

[Ricardo Wurmus]

Hi Maxim,

> The problem was introduced in commit 9bf367e1848, which aimed to improve
> the handling of Elisp docstrings.  To revert to the old version (the one
> that shipped with Emacs 27), you can put this in your .emacs:
>
> (require 'lisp-mode)
> (defun lisp-fill-paragraph (&optional justify)
>   (interactive "P")
>   (or (fill-comment-paragraph justify)
>       (let ((paragraph-start
>              (concat paragraph-start
>                      "\\|\\s-*\\([(;\"]\\|\\s-:\\|`(\\|#'(\\)"))
>           (paragraph-separate
>            (concat paragraph-separate "\\|\\s-*\".*[,\\.]$"))
>             (fill-column (if (and (integerp emacs-lisp-docstring-fill-column)
>                                   (derived-mode-p 'emacs-lisp-mode))
>                              emacs-lisp-docstring-fill-column
>                            fill-column)))
>       (fill-paragraph justify))
>       ;; Never return nil.
>       t))
>
> For more details, you can refer to the (now closed) upstream bug report
> here [0].
>
> [0]  https://issues.guix.gnu.org/56197

Oof, that’s a frustrating discussion.  Interesting how it took just
*one* comment to dismiss the new bug report with “the votes are in” :-/

Thanks for the procedure definition above.  Do you think we should
enable this by default in the guix-devel minor mode?

-- 
Ricardo