--- a/bc.mak	Wed Jul 24 08:31:38 2019 +0200
+++ b/bc.mak	Wed Jul 24 08:31:43 2019 +0200
@@ -147,6 +147,7 @@
 $(OUTDIR)NameLookupError.$(O) NameLookupError.$(C) NameLookupError.$(H): NameLookupError.st $(INCLUDE_TOP)\stx\libbasic\Error.$(H) $(INCLUDE_TOP)\stx\libbasic\Exception.$(H) $(INCLUDE_TOP)\stx\libbasic\GenericException.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\ProceedableError.$(H) $(STCHDR)
 $(OUTDIR)NumberSet.$(O) NumberSet.$(C) NumberSet.$(H): NumberSet.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\SequenceableCollection.$(H) $(STCHDR)
 $(OUTDIR)OperationQueue.$(O) OperationQueue.$(C) OperationQueue.$(H): OperationQueue.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(STCHDR)
+$(OUTDIR)PersistentFileHistory.$(O) PersistentFileHistory.$(C) PersistentFileHistory.$(H): PersistentFileHistory.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(STCHDR)
 $(OUTDIR)PhoneticStringUtilities.$(O) PhoneticStringUtilities.$(C) PhoneticStringUtilities.$(H): PhoneticStringUtilities.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(STCHDR)
 $(OUTDIR)PluggableDictionary.$(O) PluggableDictionary.$(C) PluggableDictionary.$(H): PluggableDictionary.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Dictionary.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\Set.$(H) $(STCHDR)
 $(OUTDIR)PluggableSet.$(O) PluggableSet.$(C) PluggableSet.$(H): PluggableSet.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\Set.$(H) $(STCHDR)