Expat XML Parser

PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/libexpat/libexpat

This is James Clark's Expat XML parser library in C. It is a stream oriented parser that requires setting handlers to deal with the structure that the parser
discovers in the document.

PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/libexpat/libexpat