articleID:revisionID:"changeDescription":"change"

1:2:"Some changes":"Added two sentences here, removed one sentence there"
1:2:"Some changes":"Fixed article title"
2:4:"Advertisement changes":"Added this, removed that"

completer.Start(index, "1:2");

1:2:"Some changes":"Added two sentences here, removed one sentence there"
1:2:"Some changes":"Fixed article title"