<platform>
The <platform> metadata element contains a description of the
         operating system and/or hardware related to the product being described by the
         <prodinfo> element. The <platform> element
            can be used to provide a more detailed definition of values
            used throughout the map or topic on the @platform attribute.
      Content models
See appendix for information about this element in OASIS document type shells.
Inheritance
- topic/platform
Example
See <prodinfo>.
Attributes
The following attributes are available on this element: Universal attribute group.