An automated run of parserTests.php showed the following failures:
This is MediaWiki version 1.11alpha (r22097).
Reading tests from "maintenance/parserTests.txt"...
Reading tests from "extensions/Cite/citeParserTests.txt"...
Reading tests from "extensions/Poem/poemParserTests.txt"...
3 previously failing test(s) now PASSING! :)
* Preformatted text [Fixed between 10-May-2007 07:15:23, 1.11alpha (r22060) and
11-May-2007 07:15:24, 1.11alpha (r22097)]
* Link to numeric-equivalent title [Fixed between 10-May-2007 07:15:23, 1.11alpha
(r22060) and 11-May-2007 07:15:24, 1.11alpha (r22097)]
* Subpage link [Fixed between 10-May-2007 07:15:23, 1.11alpha (r22060) and
11-May-2007 07:15:24, 1.11alpha (r22097)]
18 still FAILING test(s) :(
* URL-encoding in URL functions (single parameter) [Has never passed]
* URL-encoding in URL functions (multiple parameters) [Has never passed]
* Table security: embedded pipes
(
http://mail.wikipedia.org/pipermail/wikitech-l/2006-April/034637.html) [Has never
passed]
* Link containing double-single-quotes '' (bug 4598) [Has never passed]
* message transform: <noinclude> in transcluded template (bug 4926) [Has
never passed]
* message transform: <onlyinclude> in transcluded template (bug 4926) [Has
never passed]
* BUG 1887, part 2: A <math> with a thumbnail- math enabled [Has never
passed]
* HTML bullet list, unclosed tags (bug 5497) [Has never passed]
* HTML ordered list, unclosed tags (bug 5497) [Has never passed]
* HTML nested bullet list, open tags (bug 5497) [Has never passed]
* HTML nested ordered list, open tags (bug 5497) [Has never passed]
* Fuzz testing: image with bogus manual thumbnail [Introduced between 08-Apr-2007
07:15:22, 1.10alpha (r21099) and 25-Apr-2007 07:15:46, 1.10alpha (r21547)]
* Inline HTML vs wiki block nesting [Has never passed]
* Mixing markup for italics and bold [Has never passed]
* dt/dd/dl test [Has never passed]
* Images with the "|" character in the comment [Has never passed]
* Parents of subpages, two levels up, without trailing slash or name. [Has never
passed]
* Parents of subpages, two levels up, with lots of extra trailing slashes. [Has
never passed]
Passed 495 of 513 tests (96.49%)... 18 tests failed!