copying subdirectories in subversion 1.7

[Ryan Brothers]

I just tried out the new Subversion 1.7 beta today and had a question 
regarding the new working copy format:

With the Subversion 1.6 working copy format, since a .svn directory was 
in every directory, I would sometimes take advantage of the fact that a 
subdirectory could be copied out of a checkout and made into a new 
top-level checkout.

For example, if a project called test was checked out into 
c:\checkouts\test and it has a subdirectory called module1, I could copy 
module1 into c:\checkouts\module1 using a regular filesystem copy and 
use it as a full top-level checkout.

With the new 1.7 working copy format, if I did the same copy, I won't 
get the .svn folder of course.

Is there a way to create a new top-level checkout of a subdirectory with 
the 1.7 working copy format?  I realize that I can always just do a 
fresh checkout from the server for the subdirectory, but looking to see 
if there's a way I can use the local filesystem since I already have the 
files checked out, especially if it's a large checkout.

Thanks,
Ryan