Re: disabling undo boundaries

[Stefan Monnier]

> Actually, I have been thinking about this. What I worry about with this
> is that we may be adding the same form of heuristic into undo.c as the
> "insert an undo-boundary if the buffer has changed".

Yes, because we do want this to happen, pretty much always (having
changes accumulate without intervening boundary is actually a problem
that can lead to nasty behaviors).

There are exceptions, but they're rare.


        Stefan