lxml - Processing XML and HTML with Pythonlxml is the most feature-rich and easy-to-use library for working with XML and HTML in the Python language. Introduction lxml is a Pythonic binding for the libxml2 and libxslt libraries. It is unique in that it combines the speed and feature completeness of these libraries with the simplicity of a native Python API, mostly compatible but superior to the well-known ElementTree API. See the introduc
http://www.w3schools.com/xsl/xsl_transformation.asp
XSLT Reference
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