2 <xs:schema xmlns:
xs=
"http://www.w3.org/2001/XMLSchema"
3 elementFormDefault=
"qualified"
4 attributeFormDefault=
"unqualified">
5 <xs:simpleType name=
"myDouble">
6 <xs:union memberTypes=
"xs:double">
8 <xs:restriction base=
"xs:string">
9 <xs:pattern value=
"\s*(N/A)?\s*"/>
14 <xs:element name=
"element1" type=
"myDouble"/>
15 <xs:element name=
"element2">
18 <xs:extension base=
"myDouble">
19 <xs:attribute name=
"att" type=
"xs:string"/>