EmptyGlobalAssignment: version 0.2: line 16: empty global assignment: IUSE=""
  VariableOrderWrong: version 0.2: variable S should occur before IUSE
  EmptyGlobalAssignment: version 0.2.1: line 16: empty global assignment: IUSE=""
  VariableOrderWrong: version 0.2.1: variable S should occur before IUSE