default namespace = "urn:schemas-microsoft-com:office:powerpoint"
namespace o = "urn:schemas-microsoft-com:office:office"
namespace pvml = "urn:schemas-microsoft-com:office:powerpoint"
namespace v = "urn:schemas-microsoft-com:vml"
namespace w10 = "urn:schemas-microsoft-com:office:word"
namespace x = "urn:schemas-microsoft-com:office:excel"

pvml_iscomment = element iscomment { pvml_CT_Empty }
pvml_textdata = element textdata { pvml_CT_Rel }
pvml_CT_Empty = empty
pvml_CT_Rel = attribute id { xsd:string }?
