Strike not working

I noticed in another post that the Strike BBCode does not work in these forums, or at-least didn't appear to on that thread.

<strike>Microslow</strike> Microsoft

I suppose I should test some of the option BBCode a well.

< Bracket >

I know the code and quote work, I've used them recently

.
<?php
echo "but just to be sure";
?>

https://premium.wpmudev.org/