drx: XSLT

XSLT is designed for transforming XML documents into other formats, such as XHTML. A transformation involves applying a stylesheet and template using XPath to match elements and attributes in a XML input source file.

XSLT Tutorial - April 9, 2005

Using XSLT to modify XML source files to produce different output.
http://loadaveragezero.com/app/drx/Data_Formats/Style_Sheets/XSLT#zvon:xslt-tutorial