Defined here: https://mnot.github.io/I-D/rfc5988bis/

Produce an empty link.

Parser for a link

  parse rfc5988 "<http://urbit.org>; rel=\"start\"" ==
  ( Ok { context = "", target = "http://urbit.org", relationType = "start", targetAttributes = Dict.empty }
  , { input = "", position = 31 }
  )

Parser for a list of links