EmptyGlobalAssignment: version 2.1.3: line 20: empty global assignment: IUSE=""
  VariableOrderWrong: version 2.1.3: variable S should occur before RESTRICT
  EmptyGlobalAssignment: version 2.1.4: line 20: empty global assignment: IUSE=""
  VariableOrderWrong: version 2.1.4: variable S should occur before RESTRICT
  EmptyGlobalAssignment: version 2.1.5: line 20: empty global assignment: IUSE=""
  VariableOrderWrong: version 2.1.5: variable S should occur before RESTRICT