Prefixing attributes is the preferred W3C way to implement nonstandard attributes, which in my opinion is probably the right way to go, because it means there w

Prefixing attributes is the preferred W3C way to implement nonstandard attributes, which in my opinion is probably the right way to go, because it means there won't ever be a case where two attributes named the same mean totally different things, there will only be differences in implementation for a spec attribute.