The <metadata> section of the prolog contains information about a topic such as audience and product information. Metadata can be used by computational processes to select particular topics or to prepare search indexes or to customize navigation. Elements inside of <metadata> provide information about the content and subject of a topic; prolog elements outside of <metadata> provide lifecycle information for the content unit (such as the author or copyright), which are unrelated to the subject.
<prolog> <metadata> <audience type="user" job="using" experiencelevel="novice"/> </metadata> </prolog>
|ditabase, topic, task, reference, concept, glossary||( ( audience) (any number) then ( category) (any number) then ( keywords) (any number) then ( prodinfo) (any number) then ( othermeta) (any number) then ( data or data-about or foreign or unknown) (any number) )|
|ditabase, topic, task, concept, reference, glossary||prolog|
|Name||Description||Data Type||Default Value||Required?|
|mapkeyref||Identifies the map, if any, from which the contained links are derived. This value is automatically generated by the same process that creates the links from the map, as a way to identify which map the links came from. If the <linklist> or <linkpool> is manually created by the author, there is no need to use this attribute.||CDATA||#IMPLIED||No|
|%univ-atts; (%select-atts;, %id-atts;, %localization-atts;)||A set of related attributes, described at %univ-atts;||parameter entity||PE not applicable||Not applicable|
|%global-atts; (xtrf, xtrc)||A set of related attributes, described at %global-atts;||parameter entity||PE not applicable||Not applicable|
|class||Common attribute described in Other common DITA attributes.|
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OASIS DITA Version 1.1 Language Specification -- OASIS Standard, 1 August 2007
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