XmlPL is a C like language with special syntax for creating and manipulating XML data. If you know Java, C or C++ and XPath then XmlPL is easy to learn. XML is a native data type and is processed more naturally using XML path expressions and inline XML.
Compiler and interpreter for the Scriptol programming language. Scriptol is object oriented and the first language to use XML as data structure in sources. It is easy to learn and safe. Also, RSS readers in PHP, an RSS feed editor.