default namespace =
  "http://schemas.openxmlformats.org/officeDocument/2006/characteristics"
namespace o = "urn:schemas-microsoft-com:office:office"
namespace shrdChr =
  "http://schemas.openxmlformats.org/officeDocument/2006/characteristics"
namespace v = "urn:schemas-microsoft-com:vml"
namespace w10 = "urn:schemas-microsoft-com:office:word"
namespace x = "urn:schemas-microsoft-com:office:excel"

shrdChr_CT_AdditionalCharacteristics =
  element characteristic { shrdChr_CT_Characteristic }*
shrdChr_CT_Characteristic =
  attribute name { xsd:string },
  attribute relation { shrdChr_ST_Relation },
  attribute val { xsd:string },
  attribute vocabulary { xsd:anyURI }?
shrdChr_ST_Relation =
  string "ge" | string "le" | string "gt" | string "lt" | string "eq"
shrdChr_additionalCharacteristics =
  element additionalCharacteristics {
    shrdChr_CT_AdditionalCharacteristics
  }
