/ *: [namespace-uri()=' '] [ ] / @ @*[local-name()=' ' and namespace-uri()=' '] / [ ] /@ / [ ] /@ . U U U. n U. _ _       ptr-constraint-ptrAtts ptr-constraint-ptrAtts isoList isoList isoHeader-title isoHeader-title TEI-constraint-isoStructure TEI-constraint-isoStructure isoSimple isoSimple div-constraint-isoDiv div-constraint-isoDiv ISO Schematron rules the target and cRef attributes are mutually exclusive. Each item in a termlist must have a @n attribute An introductory component of the title is expected An main component of the title is expected No respStmt has been provided, giving SC/TC committee numbers an idno of type wgNumber is expected an idno of type serialNumber is expected an idno of type documentNumber is expected an idno of type partNumber is expected an idno of type stage is expected A Foreword clause in the front matter is mandatory A text element is essential a clause must contain at least two subclauses