-The data type of the value and optional 2nd argument STEP is nil or
-opaque authentication step which holds the reference to the next action
-and the current challenge. At the first time STEP should be set to nil."
+The data type of the value and 2nd argument STEP is nil or opaque
+authentication step which holds the reference to the next action and
+the current challenge. At the first time STEP should be set to nil."