Subject: bug#78451: 30.0.92; prog-fill-reindent-defun ignores fill-column inside string in emacs-lisp-mode.

From: Jake <[email-masked]>
Date: Fri, 16 May 2025 20:56:50 +0930

Thanks Steve.
It respects the fill-column when point is in a comment, though.  Is that
expected?

Jake

On Fri, 16 May 2025 at 6:00 pm, Stephen Berman <[email-masked]>
wrote:

> On Fri, 16 May 2025 07:47:42 +0000 Jake <[email-masked]> wrote:
>
> > Hello
> >
> > `prog-fill-reindent-defun' does not respect the value of fill-column when
> > inside a string (e.g. a docstring) in emacs-lisp-mode and
> > lisp-interaction-mode.  I checked it is respected in python-mode, c-mode,
> > and c++-mode.
> >
> > From emacs -Q:
> > Yank into the *scratch* buffer:
> >
> > (defun a ()
> >   "a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
> a
> > a a a a a a a a a a a a a a a a"
> >   nil)
> >
> > C-x f 30 RET
> > Put the point inside the docstring and M-q
> > Observe that it is filled to something like column 70 to 75.
>
> That's because lisp-data-mode (which emacs-lisp-mode and
> lisp-interaction-mode derive from) binds fill-column to the value of
> emacs-lisp-docstring-fill-column, which is 72 by default.
>
> Steve Berman
>