Use RBVariableNode>>name: to change variable's name.
The old way - `node token value:` is working in Pharo - there's no token in RBVariableNode. Sigh.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCRewritingVisitor subclass:#PPCCopyVisitor
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Visitors'
!
!PPCCopyVisitor methodsFor:'as yet unclassified'!
visitNode: node
| newNode |
self change.
newNode := node copy.
^ super visitNode: newNode.
! !