bug#17009: Please add a hook to visual-line-mode

[Glenn Morris]

Reuben Thomas wrote:

> Even from a careful reading of the documentation, it's not obvious that the
> variable not being bound means that its documentation will not be
> available: it's reasonable to think that C-h v not working means that
> something is wrong. Sure, it works, but discoverability is not great.

That's the part that will be different in 24.4.


2013-05-27  Stefan Monnier  <monnier@iro.umontreal.ca>

            * emacs-lisp/easy-mmode.el (define-minor-mode):
            * emacs-lisp/derived.el (define-derived-mode): Always defvar
            the mode hook and provide a docstring.