==============================================
  edge_attributes = PEXGANone;
==============================================

==============================================
  edge_attributes = PEXGAColor;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================

==============================================
  edge_attributes = PEXGANormal;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================

==============================================
  edge_attributes = PEXGAEdges;
==============================================

==============================================
  edge_attributes = PEXGAColor | PEXGANormal;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================

==============================================
  edge_attributes = PEXGAColor | PEXGAEdges;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================

==============================================
  edge_attributes = PEXGANormal | PEXGAEdges;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================

==============================================
  edge_attributes = PEXGAColor | PEXGANormal | PEXGAEdges;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================

==============================================
  edge_attributes = BogusFacetAttribute;
PEXError: Bad PEX OC
OC code: 97
Request code: 28
==============================================