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!