(ns xmlns.http%3A%2F%2Fwww.w3.org%2F2000%2Fxmlns%2F
  "Require - able uri namespace for the `xmlns` prefix.
  This uri is special, in that it is predefined in every xml
  vocabulary and has the prefix `xmlns` reserved for it, which cannot
  be redefined"
  {:fixed-prefix "xmlns"})

