CEDS "Identifier" elements reflect the intent of the XSD:Token format, i.e. a string in which carriage return, line feed, and tab characters have been removed as well as any internal sequences of two or more spaces and any leading or trailing spaces.
An Identifier MAY be a Universally Unique Identifier (UUID) / Globally Unique Identifier (GUID), i.e.128-bit unique identifiers generated according to the algorithms and encoding standards of RFC 4122. |