add a flag telling whether the universe is closed and a record of transformation passes to the program structure
add a flag telling whether the universe is closed and a record of transformation passes to the program structure

darcs-hash:20060323002137-1a7c6-e3ef0127aaa1be687047888485914f8f8c5b000b

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc