Standard DITA XML DITA Open Toolkit supports all released versions of the OASIS DITA specification, including 1.0, 1.1, 1.2, and 1.3. As of release , DITA-OT also provides an initial preview of features for the latest draft of the upcoming DITA 2.0 standard.

The DITA specification “defines a set of document types for authoring and organizing topic-oriented information, as well as a set of mechanisms for combining, extending, and constraining document types.” The is the authoritative source of information on authoring DITA content in XML.

For details on how DITA Open Toolkit processes DITA XML content, see .