   - `acc_enc_hdr`, the HTTP header `Accept-Encoding`
   - `encs`, the list of supported encoding
   """
-  @spec choose_encoding([String.t],String.t) :: String.t | nil
-  def choose_encoding(encs,acc_enc_hdr), do:
-    choose(encs,acc_enc_hdr,"identity")
+  @spec choose_encoding([String.t], String.t) :: String.t | nil
+  def choose_encoding(encs, acc_enc_hdr) do
+    choose(encs, acc_enc_hdr, "identity")
+  end
 
   @doc """
   HTTP Charset negociation, get the charset to use from : 

  def http_label(503), do: "Service Unavailable"
  def http_label(504), do: "Gateway Timeout"
  def http_label(505), do: "HTTP Version Not Supported"
end

  - `acc_char_hdr`, the HTTP header `Accept-Charset`
  - `charsets`, the list of supported charsets
  """
  @spec choose_charset([String.t], String.t) :: String.t | nil
  def choose_charset(charsets, acc_char_hdr) do
    choose(charsets, acc_char_hdr, "utf8")
  end

  @doc """
  Get HTTP status label from HTTP code
  """
  @spec http_label(code :: integer) :: String.t
  def http_label(100), do: "Continue"
  def http_label(101), do: "Switching Protocol"
