Attributes | In addition to global attributeskey | provides an external means
of locating a full definition for the entity (or entities) being named, such as a database record key
or other token.Status | Optional | Datatype | | Values | any string of Unicode characters | Note | The value may be a unique identifier from a database, or
any other externally-defined string identifying the referent. |
| ref | (reference) provides an explicit means
of locating a full definition for the entity being named by means of
a URI.Status | Optional | Datatype | 1–∞ occurrences of separated by whitespace | Values | any valid URI | Note | The value must point directly to one or more XML elements
by means of one or more URIs, separated by whitespace. If more
than one is supplied, the implication is that the name
identifies several distinct entities. |
| nymRef | (reference to the canonical name) provides a means of locating the canonical form
(nym) of the names associated with the object
named by
the element bearing it.Status | Optional | Datatype | 1–∞ occurrences of separated by whitespace | Values | any valid URI | Note | The value must point directly to one or more XML elements
by means of one or more URIs, separated by whitespace. If more
than one is supplied, the implication is that the name
is associated with several distinct canonical names. |
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