bug#41531: 27.0.91; Better handle asynchronous eldoc backends

[João Távora]

João Távora <joaotavora@gmail.com> writes:

> For the quintillionth time: I AM NOT AGAINST FUTURES IN PRINCIPLE:
> just don't use these Eldoc fixes to shoehorn something rushedly into
> Emacs.

Just a further note: not only am I NOT "against" futures, I don't even
disagree with you that a good async library CAN improve Eldoc and other
async code.  The question is, like it always is: how much of an effect
and at what cost.

João