bug#459: Zero-length overlays, overlay keymaps, and `overlays-at'

[Lars Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> I vote for a) with or without the requirement of a new optional arg.
> The reason I vote for a) rather than b) is because AFAICT `overlays-at`
> does not pay currently attention to from/rear advance properties, so it
> would be weird to do that just for empty overlays.

That's an excellent point.

I'll have a look at doing a) tomorrow, then, unless we (in the mean
time) decide to just include these overlays without adding a new
parameter.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no