   ## Sigils
 
   @doc ~S"""
-  Handles the sigil ~S. It simply returns a string
-  without escaping characters and without interpolations.
+  Handles the sigil `~S`.
+
+  It simply returns a string without escaping characters and without
+  interpolations.
 
   ## Examples
 

  end

  @doc ~S"""
  Handles the sigil ~w. It returns a list of "words" split by whitespace.

  ## Modifiers

    * `s`: strings (default)
    * `a`: atoms
    * `c`: char lists

  ## Examples


  end

  @doc """
  Handles the sigil `~r`.

  It returns a regular expression pattern, unescaping characters and replacing
  interpolations.

  More information on regexes can be found in the `Regex` module.

  ## Examples

      iex> Regex.match?(~r(foo), "foo")
      true

      iex> Regex.match?(~r/a#{:b}c/, "abc")
      true

  """
