<unknown>
The <unknown> element is an open extension that allows information
architects to incorporate xml fragments that do not necessarily fit into an existing
DITA use
case. Processors should ignore this element unless otherwise instructed.
Content models
See appendix for information about this element in OASIS document type shells.
Inheritance
- topic/unknown
Example
This example features a specialized <unknown> element that includes other non-DITA content. If this specialization is imported to a DTD or schema, the DTD or schema will need to handle declaring the new elements or any namespaces.
<body>
<my-unknown class="+ topic/unknown mything/my-unknown ">
<thing value="4"/>
<otherthing value="16"/>
</my-unknown>
</body>Attributes
The following attributes are available on this element: Universal attribute group and @outputclass.