Thread:SergeantBanana/@comment-32788589-20161031125354/@comment-33224520-20161031181916

It's allowed but it remains ugly and is DISCOURAGED.

There's difference between "you mustn't" and "you shouldn't"

https://i.imgur.com/VKeZxAE.gif The Mysterious Contributor  https://i.imgur.com/JByYih4.gif