bug: repo at root of filesystem does not work correctly

[Jonathan S. Shapiro]

On Fri, 2006-11-10 at 12:53 +0100, Thomas Arendsen Hein wrote:
> self.root gets filled with the result of os.path.realpath, so
> os.altsep won't be used here. But are there systems for which os.sep
> can have a length != 1?

... or might there be in future. Perhaps better to adjust by length of
os.sep even if it is 1 for all current cases.