Index: TECH/impl/DateTimeFormatter.cls.xml
===================================================================
diff -u -r731 -r898
--- TECH/impl/DateTimeFormatter.cls.xml	(.../DateTimeFormatter.cls.xml)	(revision 731)
+++ TECH/impl/DateTimeFormatter.cls.xml	(.../DateTimeFormatter.cls.xml)	(revision 898)
@@ -9,6 +9,13 @@
 <Implementation><![CDATA[	quit $$FormatDateTime^vhLib(Format,##class(TECH.DateTime).TimeStampToHorolog(TimeStamp))
 ]]></Implementation>
 </Method>
+
+<Method name="FormatHorolog">
+<FormalSpec>Horolog:%String,Format:%String</FormalSpec>
+<ReturnType>%String</ReturnType>
+<Implementation><![CDATA[	quit $$FormatDateTime^vhLib(Format,Horolog)
+]]></Implementation>
+</Method>
 </Class>
 
 
Index: TECH/DateTimeFormatter.cls.xml
===================================================================
diff -u -r731 -r898
--- TECH/DateTimeFormatter.cls.xml	(.../DateTimeFormatter.cls.xml)	(revision 731)
+++ TECH/DateTimeFormatter.cls.xml	(.../DateTimeFormatter.cls.xml)	(revision 898)
@@ -5,9 +5,16 @@
 <Super>TECH.Interface</Super>
 
 <Method name="FormatDateTime">
+<Abstract>1</Abstract>
 <FormalSpec>TimeStamp:%TimeStamp,Format:%String</FormalSpec>
 <ReturnType>%String</ReturnType>
 </Method>
+
+<Method name="FormatHorolog">
+<Abstract>1</Abstract>
+<FormalSpec>Horolog:%String,Format:%String</FormalSpec>
+<ReturnType>%String</ReturnType>
+</Method>
 </Class>