So I didn't mix things up, # really did support # originally, they changed to # along the way.

https://beakerbrowser.com/docs/inside-beaker/other-technologies.html#why-dat-instead-of-ipfs

/via https://news.ycombinator.com/item?id=14420598

I wonder if ipfs will be put back into Beaker, now that it seems ipfs people have decided on an `fs:` scheme as an interop prefix with things that insist on URIs.