Last modified: 2010-05-15 15:29:36 UTC
The <span class=diffchange> and </span> in diffs are sometimes put after the & or before the ; in character entities, making them not display properly. Example: http://en.wikipedia.org/w/wiki.phtml? title=Template:Spoiler&diff=5433604&oldid=5432015
Removing block on bug 209. On closer inspection this is merely cosmetic: the actual output is correctly escaped.
Was fixed in 1.4