From Patch demo (860125,22 842937,15 857772,10 859139,9 860583,5 860099,11 857766,5 857767,14 857768,6 857769,6 857770,8 842860,9 860126,5 860552,2 860554,4 842859,27)
(U) wikEdDiff: improved diff view between article versions (not needed if wikEd is used)
