Last tweaked by Mike Spreitzer on May 4, 1988 11:33:15 am PDT

IMPORTS AbSets, BasicTime, BiRels, Convert, Histograms, IntStuff, IO, LichenDataOps, LichenDataStructure, Process, RealFns, Rope, RuntimeError, SetBasics, StructuredStreams, UnparserBuffer

EXPORTS LichenDataOps

CONTROL LichenStructuringImpl, LichenStructureDeduction