--- a/ProjectDefinition.st	Tue Mar 24 18:46:45 2020 +0100
+++ b/ProjectDefinition.st	Tue Mar 24 19:05:08 2020 +0100
@@ -2991,7 +2991,6 @@
     "Created: / 23-01-2007 / 19:08:27 / cg"
 ! !
 
-
 !ProjectDefinition class methodsFor:'description - project information'!
 
 applicationAdditionalIconFileNames
@@ -5142,7 +5141,6 @@
     ^ self subProjectMakeCallsUsing:'call vcmake %1 %2'.
 ! !
 
-
 !ProjectDefinition class methodsFor:'file templates'!
 
 autopackage_default_dot_apspec
@@ -8527,6 +8525,12 @@
     "Modified: / 20-09-2006 / 15:00:00 / cg"
 !
 
+isPluginDefinition
+    "needed in checkForBadReferences"
+
+    ^ false
+!
+
 isProjectDefinition
     "concrete i.e. not abstract"