Attribute type declaration (the type of the attribute constrain).

This type is used to identifier the attribute contains applied to the node selected.

Enumerator:
CDATA_ATTRIBUTE  The attribute type is defined but its content is CDATA (any string value is allowed), activated when used 'CDATA'.
TOKENIZED_TYPE_ID  Especific token declaration that implicitly contrain the node attribute value, activated when used 'ID'.
TOKENIZED_TYPE_IDREF  Especific token declaration that implicitly contrain the node attribute value, activated when used 'IDREF'.
TOKENIZED_TYPE_IDREFS  Especific token declaration that implicitly contrain the node attribute value, activated when used 'IDREFS'.
TOKENIZED_TYPE_ENTITY  Especific token declaration that implicitly contrain the node attribute value, activated when used 'ENTITY'.
TOKENIZED_TYPE_ENTITIES  Especific token declaration that implicitly contrain the node attribute value, activated when used 'ENTITIES'.
TOKENIZED_TYPE_NMTOKEN  Especific token declaration that implicitly contrain the node attribute value, activated when used 'NMTOKEN'.
TOKENIZED_TYPE_NMTOKENS  Especific token declaration that implicitly contrain the node attribute value, activated when used 'NMTOKENS'.
ENUMERATION_TYPE  The attribute type declaration is constrained to a set of values.

This values are considered as an enumeration.

NOTATION_TYPE  Attribute type not supported yet (although defined).