module OOChannel = OOChannelmodule UChar = UCharmodule USet = USetmodule UMap = UMapmodule UCharTbl = UCharTblmodule UnicodeString = UnicodeStringmodule UText = UTextmodule XString = XStringmodule SubText = SubTextmodule ULine = ULinemodule Locale = Localemodule CharEncoding : sig ... endmodule UTF8 = UTF8module UTF16 = UTF16module UCS4 = UCS4module UPervasives = UPervasivesmodule URe = URemodule UCharInfo : sig ... endmodule UNF : sig ... endmodule UCol : sig ... endmodule CaseMap : sig ... endmodule UReStr : sig ... endmodule StringPrep : sig ... end