   end
 
   @doc """
-  When used inside quoting, marks that the alias should not
+  When used inside quoting, marks that the given alias should not
   be hygienized. This means the alias will be expanded when
   the macro is expanded.
 

  end

  @doc """
  Returns true if the `module` is loaded and contains a
  public `function` with the given `arity`, otherwise false.

  Notice that this function does not load the module in case
  it is not loaded. Check `Code.ensure_loaded/1` for more
  information.
  """
  @spec function_exported?(atom | tuple, atom, arity) :: boolean
  def function_exported?(module, function, arity) do


      when x in 1..3

  translates to:

      when x >= 1 and x <= 3

