simpleType atomLanguageTag

namespace	http://www.w3.org/2005/Atom
type	restriction of string
properties	base  string
used by	attribute  link/@hreflang
facets	Kind  Value  Annotation pattern  [A-Za-z]{1,8}(-[A-Za-z0-9]{1,8})*
source	<simpleType name="atomLanguageTag">   <restriction base="string">     <pattern value="[A-Za-z]{1,8}(-[A-Za-z0-9]{1,8})*"/>   </restriction> </simpleType>

XML Schema documentation generated by XMLSpy Schema Editor http://www.altova.com/xmlspy