XML Tutorial/XML Schema/recurringDate

When the year doesn"t matter, but the month and day do, use xsd:recurringDate

   <source lang="xml">

File: Schema.xsd <?xml version="1.0"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"

 targetNamespace="http://www.wbex.ru" 
 xmlns="http://www.wbex.ru"
 elementFormDefault="qualified">
 <xs:element name="birthday" type="xs:recurringDate" />

</xs:schema>

File: Data.xml <?xml version="1.0"?> <birthday>--03-14</birthday></source>