Robin Farine <robin.farine@terminus.org> [Sat, 18 Feb 2006 07:37:59 -0800] rev 1747
transitive copy/rename
Add support for transitive copy or rename operations, e.g.
hg rename a b
... (possibly edit b)
hg rename b c
hg commit ...
by actually renaming "b" as "c" while recording a copy of
"a" to "c" and a removal of "a".