In other nations paper ballots are routinely classed invalid if they have anything on it that isn't a simple "X" mark. The reasoning is that that would make th

In other nations paper ballots are routinely classed invalid if they have anything on it that isn't a simple "X" mark. The reasoning is that that would make the ballot paper identifiable. A fancy mark: invalid. Rude words: invalid. This is firmly in the bailiwick of the legislative power.