Use #deepCopy instead of #copy when copying RB parse tree
...because #copy make a copy if child nodes but does not set their parents properly.
Therefore node replacing does not work because it replaces it in wrong tree (original,
not the copy).
"{ Package: 'stx:goodies/petitparser/parsers/java' }"
"{ NameSpace: Smalltalk }"
PJExpressionNode subclass:#PJSeparatorNode
instanceVariableNames:'separatorValue'
classVariableNames:''
poolDictionaries:''
category:'PetitJava-AST'
!
!PJSeparatorNode class methodsFor:'as yet unclassified'!
separatorValue: aString
^(self new) separatorValue: aString
! !
!PJSeparatorNode methodsFor:'as yet unclassified'!
acceptVisitor: aVisitor
^ aVisitor visitSeparatorNode: self
!
separatorValue
^ separatorValue.
!
separatorValue: anObject
separatorValue := anObject
! !