gram: legal

> ./lib/us_congress/bill_dtd/reference.ex

defmodule UsCongress.BillDtd.Reference do
  @behaviour Saxy.Handler

  def handle_event(:start_document, prolog, state), do: {:ok, state}
  def handle_event(:end_document, _data, state), do: {:ok, state}
  def handle_event(:end_element, name, state), do: {:ok, state}
  def handle_event(:characters, chars, state), do: {:ok, state}
  def handle_event(:cdata, cdata, state), do: {:ok, state}

  def handle_event(:start_element, {"external-xref", attributes}, state), do:
    {:ok, [(attributes |> Map.new)["parsable-cite"] | state]}
  def handle_event(:start_element, {name, attributes}, state), do: {:ok, state}
end