Last tweaked by Mike Spreitzer on July 15, 1988 8:12:48 am PDT

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

EXPORTS LichenDataOps

CONTROL LichenStructuringImpl, LichenStructureDeduction