xces:idnoString 

a number (e.g., ISBN) used to
identify a bibliographic item.

Complex Type Information

Model

Attributes

QName Type Fixed Default Use Inheritable Annotation
TEIform xs:string optional
id xs:ID optional
lang xs:IDREF optional
n xs:string optional
type xs:string ISBN optional
xml:lang union of(xs:language, restriction of xs:string) optional 
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.

Used By

Elements xces:imprintType/xces:idno, xces:publicationStmt/xces:idno

Source 

<xs:complexType name="idnoString" mixed="true">
  <xs:annotation>
    <xs:documentation xml:lang="en">a number (e.g., ISBN) used to identify a bibliographic item.</xs:documentation>
  </xs:annotation>
  <xs:complexContent mixed="true">
    <xs:extension base="xces:class.string">
      <xs:attribute name="type" type="xs:string" default="ISBN"/>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>