Saxon
Functions, operators, and data types for XPath 3.0
XQuery 1.0 implementation
XSLT 2.0 implementation
XPath 2.0 implementation
Schema-aware XSLT and XQuery processing
System Programming Interfaces
Internal changes
Functions, operators, and data types for XPath 2.0
Saxon extensions to the W3C XSLT/XQuery specifications
Pull processing