Subject: bug#12413: 24.2.50; M-j should be bound to default-indent-new-line

From: Lars Ingebrigtsen <[email-masked]>
Date: Wed, 24 Feb 2016 17:11:35 +1100

Dmitry Gutov <[email-masked]> writes:

> A major mode can change the value of comment-line-break-function, but
> currently it's only used from `do-auto-fill'. I think that doesn't make
> sense, the value should affect the M-j command, too.
>
> default-indent-new-line does pretty much that. The function could use a
> better name, though - it isn't used in any variables as default value.

[...]

I think this makes sense, but it wasn't applied at the time (three years
ago).  Is this still an issue?

>  (define-key esc-map ";" 'comment-dwim)
> -(define-key esc-map "j" 'indent-new-comment-line)
> -(define-key esc-map "\C-j" 'indent-new-comment-line)
> +(define-key esc-map "j" 'default-indent-new-line)
> +(define-key esc-map "\C-j" 'default-indent-new-line)
>  (define-key ctl-x-map ";" 'comment-set-column)
>  (define-key ctl-x-map "f" 'set-fill-column)
>  (define-key ctl-x-map "$" 'set-selective-display)
>
> === modified file 'lisp/simple.el'
> --- lisp/simple.el	2012-09-07 08:58:31 +0000
> +++ lisp/simple.el	2012-09-11 06:34:40 +0000
> @@ -5501,7 +5501,7 @@
>  
>  (defun default-indent-new-line (&optional soft)
>    "Break line at point and indent.
> -If a comment syntax is defined, call `comment-indent-new-line'.
> +If a comment syntax is defined, call `comment-line-break-function'.
>  
>  The inserted newline is marked hard if variable `use-hard-newlines' is true,
>  unless optional argument SOFT is non-nil."
>
> === modified file 'lisp/textmodes/refill.el'
> --- lisp/textmodes/refill.el	2012-07-11 23:13:41 +0000
> +++ lisp/textmodes/refill.el	2012-09-11 06:50:28 +0000
> @@ -179,7 +179,7 @@
>  	 (refill-fill-paragraph-at refill-doit)
>  	 (setq refill-doit nil)))
>        ((or `quoted-insert `fill-paragraph `fill-region) nil)
> -      ((or `newline `newline-and-indent `open-line `indent-new-comment-line
> +      ((or `newline `newline-and-indent `open-line `default-indent-new-line
>             `reindent-then-newline-and-indent)
>         ;; Don't zap what was just inserted.
>         (save-excursion
>

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no