I agree that writing them in HTML isn't a requirement, but saying that as being a sibling of XML and not being made for humans to write is not a good argument a

I agree that writing them in HTML isn't a requirement, but saying that as being a sibling of XML and not being made for humans to write is not a good argument against writing it. Btw, Gaffa sounds like a nice idea, definitely interested on how it plays out in the future.