Moving a working copy path 'A'-->'B' and then moving 'B'-->'A' results in a
replacement, which makes some sense...except that the WC is effectively unchanged.
At revision 10.
>svn move iota iota-moved
>svn move iota-moved iota
R + iota
> swapped places with iota
>svn ci -m "empty commit"
Committed revision 11.
Seems that as we endeavor to make 'svn move' more atomic on the WC side (issue
#3630) that a scenario like that above should simply result in a WC with no changes.