Last modified: 2013-07-12 13:54:02 UTC
This edit: https://en.wikipedia.org/w/index.php?title=Percy_Jackson:_Sea_of_Monsters&diff=562794756&oldid=562792500 is an example of a dirty diff where VisualEditor/Parsoid appears to have wrapped <nowiki> tags around existing <nowiki> content (in this case the "|" symbol in the title of a cited website) inside a template inside a reference.
Other example: http://en.wikipedia.org/w/index.php?title=Beximco&diff=562685500&oldid=562676888
*** This bug has been marked as a duplicate of bug 50835 ***