Oops, forgot to export PETITCOMPILER_DATA_DIRECTORY variable
...so Smalltalk code could not read it. Also fixed test for "include" scripts
so they are not downloaded again when already downloaded.
"{ 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.
! !