Last modified: 2009-10-28 18:20:52 UTC
Please compare: http://translatewiki.net/w/i.php?title=Support&diff=1228527&oldid=1228524&htmldiff=1 and http://translatewiki.net/w/i.php?title=Support&diff=1228527&oldid=1228524&htmldiff=0 Assuming the latter to be correct (which is backed by looking at the pages before and after the edit), one find that html diff has serious problems.
Needs isolation.
Was related to HTMLDiff, removed by bug 19859 and r58267.