entity_type
entity_type (name[, doc])
The entity_type function returns a string describing the type for the entity named name. The return value is one of the strings:
• accent — character (SDATA) entity that is an accent
• char — character (SDATA) entity
• file — external entity
• filep — parameter file entity
• graphic — external graphic (NDATA) entity
• msp — marked section parameter entity
• text — internal general entity
If name is not a valid entity, the null string is returned.
The doc argument specifies the identifier of the document tree to query. If omitted or 0, the current document is used.