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 may be used to provide a more detailed definition of values used throughout the map or topic on the platform attribute.

Note: These models represent only the default document types distributed by OASIS. Actual content models will differ with each new document type.

Doctype	Content model
topic (base), map (base), classifyMap, subjectScheme, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary	( text data or data or data-about or foreign or unknown or keyword or term) (any number)
topic (technical content), map (technical content), concept, ditabase, glossary, glossentry, glossgroup, reference, task, bookmap	( text data or data or data-about or foreign or unknown or keyword or apiname or option or parmname or cmdname or msgnum or varname or wintitle or term or abbreviated-form) (any number)
machineryTask	( text data or data or data-about or foreign or unknown or keyword or wintitle or term) (any number)

Doctype	Content model
topic (base), map (base), topic (technical content), map (technical content), concept, ditabase, glossary, glossentry, glossgroup, reference, task (strict), task (general), bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary	prodinfo

Name	Description	Data Type	Default Value	Required?
univ-atts attribute group (includes select-atts, id-atts, and localization-atts groups)	A set of related attributes, described in univ-atts attribute group
global-atts attribute group (xtrf, xtrc)	A set of related attributes, described in global-atts attribute group
class	A common attribute described in Other common DITA attributes