This place used to host the API documentation for HEAD MediaWiki. Due to disk usage limitation and ease of use, we have moved it to http://svn.wikimedia.org/doc/ (doxygen instead of phpdoc since r13740).
You can generate the documentation using ./maintenace/mwdocgen.php
-- Ashar Voultoiz - Wed Apr 19 11:51:39 PDT 2006