Thread:Mathmagician/@comment-3074300-20121230124910/@comment-4674838-20121230204004

Okay, I fixed the template for you: http://minecraftfanfiction.wikia.com/index.php?title=Template%3ACrafting_Recipe&diff=4621&oldid=4615

All you have to do is use the #if parser function. There is a help page that explains parser functions at mw:Help:Extension:ParserFunctions.