Mine

[repo:/]
* = r

[repo:/trunk]
* = 
@devs = rw
@testers = r

[repo:/release]
* = r

[repo:/branches]
@devs = r

[repo:/branches/someproject]
somedev = rw

[repo:/branches/secret]
* = 
@devs =
@testers = 
somedev = rw