Re: Small improvements to ruby-mode

[Stefan Monnier]

> yard-mode's value of eldoc-documentation-function is only useful in
> comments. I'm maintaining another package, which sets a different value of
> eldoc-documentation-function that is only useful outside of comments. The
> two don't mesh.

Ok, thanks, makes sense now.

>>> I guess we'll eventually need eldoc-documentation-functions hook, like
>>> we have for completions.
>> (add-function :around (local eldoc-documentation-function) ...)
>> should make eldoc-documentation-functions unnecessary.
> Ah, good. Never having used `add-function' before, I assumed it wouldn't
> work when the "value at place" is nil, as eldoc-documentation-function is,
> by default.

Indeed when the value is nil, it doesn't work as well, so we should
little-by-little change those defaults to non-nil values.

> I guess that means *-functions hooks are going away.

Could be, indeed, tho I haven't really thought about it.


        Stefan