Pages are rendered with deprecated HTML tags, such as <b> rather than <em>.
This is the case for me on en.wp; user agent string: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4
Version: 1.11.x
Severity: minor
URL: http://en.wikipedia.org/wiki/Pio_of_Pietrelcina