Go to standard ENTITIES
Standard excerpt:
ENTITIES represents the ENTITIES attribute type from [XML 1.0 Recommendation]. The value space of ENTITIES is the set of finite-length sequences of ENTITYs that have been declared as unparsed entities in a document type definition. The lexical space of ENTITIES is the set of whitespace separated tokens, each of which is in the lexical space of NMTOKEN. The base type of ENTITIES is ENTITY.
Examples:
<SOAP-ENC:ENTITIES>f1 f2 f3</SOAP-ENC:ENTITIES>
<foo xsi:type="SOAP-ENC:ENTITIES">f1 f2 f3</foo> |