* SysML2PlantUMLStyle.StyleStereotypeDefaultSwitch (caseEventOccurrenceUsage,

  caseIncludeUseCaseUsage): Show <<event>> or <<include>> when
  hasRefSubsettingWithoutDeclaredName() is true like perform and exhibit.

Author: himi

org.omg.sysml.plantuml/src/org/omg/sysml/plantuml/SysML2PlantUMLStyle.java

@@ -552,7 +552,11 @@ public String caseSatisfyRequirementUsage(SatisfyRequirementUsage sru) {
 
         @Override
         public String caseIncludeUseCaseUsage(IncludeUseCaseUsage iucu) {
-            return " include use case>> ";
+            if (VStructure.hasRefSubsettingWithoutDeclaredName(iucu)) {
+                return " include>> ";
+            } else {
+                return " include use case>> ";
+            }
 		}
 
 		@Override
@@ -596,7 +600,11 @@ public String caseVerificationCaseDefinition(VerificationCaseDefinition acd) {
 
 		@Override
 		public String caseEventOccurrenceUsage(EventOccurrenceUsage eou) {
-            return " event occurrence>> ";
+            if (VStructure.hasRefSubsettingWithoutDeclaredName(eou)) {
+                return " event>> ";
+            } else {
+                return " event occurrence>> ";
+            }
 		}
     }