Re: Extending define-derived-mode

[Stefan Monnier]

>> But IIUC you're suggesting that this hook would only exist "when someone
>> defines a major mode with xxx-base-mode as parent", so it's
>> dynamic/conditional.
> IIUC you can add functions to a hook regardless whether it’s defined
> or not, so it should be fine?

The question is not whether the variable is `boundp` or not but whether
it's run or not.  I think making it dynamic/conditional on the existence
of some other major mode that refers to it will likely cause surprises.

> BTW, I want to clarify one thing: how are we feeling about base modes?
> Are they fine?  Are they staying?

Good question.
To me they're halfway between The Right Thing and Overkill :-(


        Stefan