custom magic weapon material

[Kaleb]

When you create a custom magic weapon and choose a Metal material like Adamintine or Cold Iron the material should auto set the check box metal item.

[Mathias]

Why? Adamantine and Cold Iron both are set up with prereqs requiring the item they're added to to be made of metal, so why should adding those materials to an item that wasn't metal in the first place should not retroactively have made it legal to add that material.