[#1555] Allow trees to be computed when for some reason the tree_id is present but the actual Tree object is not
Signed-off-by: Rick Copeland rcopeland@geek.net
Authored by: Rick Copeland 2011-03-24
Committed by: Dave Brondsema 2011-03-25
Parent(s): [af0126]
Child(ren): [43bc6e]
