Variable name type for behaviour

Author: Daniil Fedotov

src/cuttlefish_parse.erl

@@ -1,6 +1,6 @@
 -module(cuttlefish_parse).
 
--type variable()     :: binary().
+-type variable()     :: [string()].
 -type conf()         :: [{variable(), term()}].
 -type parse_result() :: {error, term()} 
                       | {conf(), binary(), {{line, integer()}, {column, integer()}}}