Re: why do some programming modes have customize hooks and others do not?

[Stefan Monnier]

> Emacs-Lisp mode has a customizable hook variable but erlang-mode does
> not.

define-derived-mode currently defines the hook with `defvar', so you'll
only get a customizable hook if the mode author explicitly added
a defcustom for it.

Maybe define-derived-mode should define the hook with defcustom.
I guess we'd need some motivation (other than "consistency") for that,
such as what would be the benefit to define the hook as a defcustom if
all the defcustom says is ":type hook".


        Stefan