--- a/compiler/PPCOptionalNode.st	Wed Nov 19 10:52:37 2014 +0000
+++ b/compiler/PPCOptionalNode.st	Mon Nov 24 00:09:23 2014 +0000
@@ -7,6 +7,12 @@
 	category:'PetitCompiler-Nodes'
 !
 
+!PPCOptionalNode methodsFor:'analyzing'!
+
+isNullable
+	^ true
+! !
+
 !PPCOptionalNode methodsFor:'as yet unclassified'!
 
 acceptsEpsilon