: DSA/SHA1, Sun May 2 22:31:14 2010 ( [expires: 2007-12-31])
This module aims to comply exactly to the XPath specification at
http://www.w3.org/TR/xpath and yet allow extensions to be added in the
form of functions. Modules such as XSLT and XPointer may need to do
this as they support functionality beyond XPath.