The XML Processing Model Working Group has published two Group Notes:
- XProc 2.0: Standard Step Library: This specification describes the standard step vocabulary of XProc 2.0: An XML Pipeline Language.
- XProc 2.0: An XML Pipeline Language: This specification describes the syntax and semantics of XProc 2.0: An XML Pipeline Language, a language for describing operations to be performed on documents.
XProc 2.0: Standard Step Library and XProc 2.0: An XML Pipeline Language Notes Published
