<hasInstance>
The <hasInstance>
element specifies that the contained subjects
have an INSTANCE-OF relationship with the container subject. In an INSTANCE-OF hierarchy, the
child subject is a specific entity or object and the parent subject is a type, kind, or class of
entity or object.
See appendix for information about this element in OASIS document type shells.
- map/topicref subjectScheme/hasInstance
This example specifies that New York City, Reykjavik, and Moscow are each specific instances of a city.
<subjectScheme> <hasInstance> <subjectdef keys="city" navtitle="City"> <subjectdef keys="nyc" navtitle="New York City"/> <subjectdef keys="reykjavik" navtitle="Reykjavik"/> <subjectdef keys="moscow" navtitle="Moscow"/> </subjectdef> </hasInstance> </subjectScheme>
The following attributes are available on this element: Universal attribute group, Link relationship attribute group (with a narrowed definition of @href
,
given below), @processing-role
from Attributes common to many map elements, @navtitle
from Topicref element attributes group, outputclass, @keys
, and @keyref
.
@href
<topicref>
. See The href attribute for detailed information on supported values
and processing implications. References to DITA
content cannot be below the topic level: that is,
you cannot reference individual elements inside a
topic. References to content other than DITA
topics should use the @format
attribute to identify the kind of resource being
referenced.Return to main page.
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