Frank Mittelbach <[log in to unmask]> writes:

> Turned out that the whole thing was more tricky than I first imagined,
> but it is obvious once you think about it. In fact, I don't think that
> there is any footnote package around that handles footnotes that are
> not tied to the column width right now.

I think that multicol.sty did something like that (single-column
footnote block) by default.  I think combining it with bigfoot.sty got
rid of the "footnote on wrong page" problem haunting multicol.sty, too.

But it has been years since I experimented with that setup.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum