Last tweaked by Mike Spreitzer on April 6, 1989 5:44:19 pm PDT

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

EXPORTS LichenDataOps

CONTROL LichenStructuringImpl, LichenStructureDeduction