Replace `ifNil:[...]` with `isNil ifTrue:[...]`
The latter is optimized by compilers and therefore faster.
"{ Package: 'stx:goodies/petitparser/analyzer' }"
PPPattern subclass:#PPListPattern
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitAnalyzer-Core'
!
!PPListPattern class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/goodies/petitparser/analyzer/PPListPattern.st,v 1.2 2014-03-04 20:27:47 cg Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/goodies/petitparser/analyzer/PPListPattern.st,v 1.2 2014-03-04 20:27:47 cg Exp $'
!
version_HG
^ '$Changeset: <not expanded> $'
! !