| website =
James Clark (born <time datetime="1964-02-23">23 February 1964</time>) is a British software engineer and creator of various open-source software including groff, expat and several XML specifications.
Education and early life
Clark was born in London and educated at Charterhouse School and Merton College, Oxford where he studied Mathematics and Philosophy. TREX has been merged with RELAX to create RELAX NG.
- RELAX NG: an XML Schema language, with both an explicit XML syntax and a compact syntax. Clark was critical of the XML Schema (W3C) language (also known as XSD) and developed RELAX NG in response
- Jing: An implementation of RELAX NG.
- Clark Notation: A way to express an XML Name in a compact way
- Ballerina: Ballerina is an open source general-purpose programming language for application programmers.
Clark is listed as a member of the working group that developed the Java Stream processing API for XML (StAX) JSR 173 at the JCP.
Software Industry Promotion Agency (SIPA)
From <time datetime="2004-11">November 2004</time> until late <time>2006</time>, Clark worked for Thailand's Software Industry Promotion Agency (SIPA), to promote open source technologies and open standards in the country. This work included pushing the Thai localization of OpenOffice.org office suite and the Mozilla Firefox web browser, along with other open source software packages.
Other projects at SIPA include:
- Chantra: An open source Thai project with programs for Windows, like the OpenCD project.
- Suriyan GNU/Linux: A user-friendly "instant server" system for small and medium-sized companies not to be confused with SIPA's new, unrelated project with a similar name, Suriyan Linux Live CD.