Re: multi-region.el --- Mapping commands over multiple active regions.

[Richard M. Stallman]

    Shouldn't those start/end positions be markers rather than simple numbers?

The underlying mechanism should use markers, so that they relocate.
And it makes sense to have a way to get at those markers themselves.
Perhaps that is the only interface we need.

We can work out those details as part of designing the feature,
if and when we do.]