How can I add a redio group into the signup form?

[ValenW]

I want to add a redio group into the signup from, my code is like this:

but it seems like this:

so how can I add a redio group correctly? :)

[sferoze]

The radio buttons in the example do not work for me to. This is a bug.

[ianmartorell]

This was implemented in #124, check the screenshots there and the config in the README