The XML Paper Specification (XPS) provides users and developers with a robust, open and trustworthy format for electronic paper. The XML Paper Specification describes electronic paper in a way that can be read by hardware, read by software, and read by people. XPS documents print better, can be shared easier, are more secure and can be archived with confidence.
Prince is a computer program that converts XML and HTML into PDF documents. Prince can read many XML formats, including XHTML and SVG. Prince formats documents according to style sheets written in CSS.