Jay McCarthy 06844073c7 Switch to using substitutions in returns and remove old parts of the interface		2010-06-30 10:54:13 -06:00
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lang	Paren datalog	2010-06-25 17:08:13 -06:00
lang.rkt	Switch to using substitutions in returns and remove old parts of the interface	2010-06-30 10:54:13 -06:00