An automated run of parserTests.php showed the following failures:
Running test Table security: embedded pipes
(
http://mail.wikipedia.org/pipermail/wikitech-l/2006-April/034637.html)... FAILED!
Running test Magic Word: {{NUMBEROFFILES}}... FAILED!
Running test BUG 1887, part 2: A <math> with a thumbnail- math enabled... FAILED!
Passed 298 of 301 tests (99%) FAILED!