An automated run of parserTests.php showed the following failures:
This is MediaWiki version 1.10alpha (r19600).
Reading tests from "maintenance/parserTests.txt"...
Reading tests from "extensions/Cite/citeParserTests.txt"...
Reading tests from "extensions/Poem/poemParserTests.txt"...
18 still FAILING test(s) :(
* URL-encoding in URL functions (single parameter)
* URL-encoding in URL functions (multiple parameters)
* TODO: Table security: embedded pipes
(
http://mail.wikipedia.org/pipermail/wikitech-l/2006-April/034637.html)
* TODO: Link containing double-single-quotes '' (bug 4598)
* TODO: message transform: <noinclude> in transcluded template (bug 4926)
* TODO: message transform: <onlyinclude> in transcluded template (bug 4926)
* BUG 1887, part 2: A <math> with a thumbnail- math enabled
* TODO: HTML bullet list, unclosed tags (bug 5497)
* TODO: HTML ordered list, unclosed tags (bug 5497)
* TODO: HTML nested bullet list, open tags (bug 5497)
* TODO: HTML nested ordered list, open tags (bug 5497)
* TODO: Inline HTML vs wiki block nesting
* TODO: Mixing markup for italics and bold
* TODO: 5 quotes, code coverage +1 line
* TODO: dt/dd/dl test
* TODO: Images with the "|" character in the comment
* TODO: Parents of subpages, two levels up, without trailing slash or name.
* TODO: Parents of subpages, two levels up, with lots of extra trailing slashes.
Passed 489 of 507 tests (96.45%)... 18 tests failed!