Re: comment-line-break-function is not buffer-local

[Stefan Monnier]

> Doc for comment-line-break-function says:
> (defvar comment-line-break-function 'comment-indent-new-line
> [...]
> Setting this variable automatically makes it local to the current buffer.")

> which is not true, and it seems it never was. (It was added at
> http://savannah.gnu.org/cgi-bin/viewcvs/emacs/emacs/lisp/simple.el.diff?r1=1.317&r2=1.318),
> with the comment but no `make-variable-buffer-local' or equivalent.

> What's preferable? Fixing the doc, or adding
> `make-variable-buffer-local'? (I'm partial to the first option.)

The doc is necessarily wrong, because nowadays the "automatically becomes
local when set" message is automatically added to the docstring when
applicable, so it should not be in the docstring, whether we add
a make-variable-buffer-local or not.


        Stefan