The prolog element contains information about the topic as an whole (for example, author information or subject category) that is either entered by the author or maintained by a software application. Much of the metadata inside the prolog will not be displayed with the topic when the topic is rendered, but it might be used by processes that generate search indexes or customize navigation.
See appendix for information about this element in OASIS document type shells.
<prolog> <metadata> <audience type="user" job="using" experiencelevel="novice"/> </metadata> </prolog>
The following attributes are available on this element: Universal attribute group.