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 }"
PPCDelegateNode subclass:#PPCNegateNode
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCNegateNode methodsFor:'accessing'!
prefix
^ #negate
! !