Proposed by Henri Chorand, of Kemper DOC, that currently consists of the OSCAT specification.
See davidw's article here for some discussion of why CAT (Computer Aided Translation) is potentially important to free software, and see this Economist article for an explanation of the subtext above.
OSCATS has been superceded by the GNU Savannah project FreeCATS.
License: Currently vaporware
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!