http://www.w3.org/XML/1998/namespace
attribute lang

Model

language | ""

Usage

Caption, Description, Message

Documentation

Attempting to install the relevant ISO 2- and 3-letter
         codes as the enumerated possible values is probably never
         going to be a realistic possibility.  See
         RFC 3066 at http://www.ietf.org/rfc/rfc3066.txt and the IANA registry
         at http://www.iana.org/assignments/lang-tag-apps.htm for
         further information.

         The union allows for the 'un-declaration' of xml:lang with
         the empty string.

Fundamental Facets

equality, non-numeric, unbounded, unordered, countable infinite value space

White Space Processing

collapse

Type

Union of Types
language	{: pattern = ([a-zA-Z]{1,8})(-[a-zA-Z0-9]{1,8})*}
anonymous type derived from string	Fundamental Facets equality, non-numeric, unbounded, unordered, countable infinite value space White Space Processing preserve Enumeration Facet ""