The Document Object Model (DOM) is a standards-compliant interface for examining and modifying an XML or SGML document. The DOM Level 2 specification is a recommendation of the Worldwide Web Consortium (W3C) comprised of several parts. Arbortext products implement the DOM Level 2 features as described in the following W3C specifications:

Arbortext also implements the W3C Recommendation Document Object Model (DOM) Level 3 Validation Specification dated 27 January 2004. (http://www.w3.org/TR/2004/REC-DOM-Level-3-Val-20040127/) The validation interfaces are implemented for both XML and SGML documents. (The DOM Level 3 Core interface DOMConfiguration is not implemented in this release.)