Features:

• Interfaces for tree manipulation (like cxml-stp)

• Interface for HTML 4.0 non-validating parser

• Specific APIs to process HTML tree, especially serialization

• XPath API

• XSLT API

• Custom URL resolvers

• XPath extension functions

• XSLT extension elements

• Translates libxml2 and libxslt errors to Lisp conditions

• Extends the iterate with custom drivers for child nodes enumeration, etc

• The XFACTORY system provides a simple and compact syntax for XML generation