An automated run of parserTests.php showed the following failures:
This is MediaWiki version 1.9alpha (r18685). Reading tests from "/home/brion/src/wiki/phase3/maintenance/parserTests.txt"... Running test TODO: Table security: embedded pipes (http://mail.wikipedia.org/pipermail/wikitech-l/2006-April/034637.html)... FAILED! Running test TODO: Link containing double-single-quotes '' (bug 4598)... FAILED! Running test TODO: message transform: <noinclude> in transcluded template (bug 4926)... FAILED! Running test TODO: message transform: <onlyinclude> in transcluded template (bug 4926)... FAILED! Running test Thumbnail image caption with a free URL... FAILED! Running test BUG 1887: A ISBN with a thumbnail... FAILED! Running test BUG 1887: A RFC with a thumbnail... FAILED! Running test BUG 1887: A mailto link with a thumbnail... FAILED! Running test BUG 1887: A <math> with a thumbnail- we don't render math in the parsertests by default, so math is not stripped and turns up as escaped <math> tags.... FAILED! Running test BUG 1887, part 2: A <math> with a thumbnail- math enabled... FAILED! Running test Image caption containing another image... FAILED! Running test Bug 3090: External links other than http: in image captions... FAILED! Running test TODO: HTML bullet list, unclosed tags (bug 5497)... FAILED! Running test TODO: HTML ordered list, unclosed tags (bug 5497)... FAILED! Running test TODO: HTML nested bullet list, open tags (bug 5497)... FAILED! Running test TODO: HTML nested ordered list, open tags (bug 5497)... FAILED! Running test Fuzz testing: image with bogus manual thumbnail... FAILED! Running test TODO: Parsing optional HTML elements (Bug 6171)... FAILED! Running test TODO: Inline HTML vs wiki block nesting... FAILED! Running test TODO: Mixing markup for italics and bold... FAILED! Running test TODO: 5 quotes, code coverage +1 line... FAILED! Running test TODO: dt/dd/dl test... FAILED! Running test TODO: Images with the "|" character in the comment... FAILED! Running test TODO: Parents of subpages, two levels up, without trailing slash or name.... FAILED! Running test TODO: Parents of subpages, two levels up, with lots of extra trailing slashes.... FAILED! Running test TODO: Don't fall for the self-closing div... FAILED! Running test TODO: Always escape literal '>' in output, not just after '<'... FAILED!
Reading tests from "/home/brion/src/wiki/phase3/extensions/Cite/citeParserTests.txt"...
Reading tests from "/home/brion/src/wiki/phase3/extensions/Poem/poemParserTests.txt"...
Passed 463 of 490 tests (94.49%)... FAILED!