This document describes the names that are defined in
the http://www.w3.org/ns/xproc
namespace at the time of publication. The W3C reserves the right to
define additional names in this namespace in the future.
Only the XML Processing Model
Working Group or its successors
may amend this namespace.
The following names are defined in the XProc: An XML Pipeline Language specification (May, 2010 version). For updated information, please refer to the latest version of the specification.