anchor.diff:          [{scan,
             "@id 0",
             "@id \\&"},
  +         {scan,
  +          "@name ",
  +          "&'"},
            {parse,
             "@id 0",
             "@id @id"},
  
positive.code:           "@avp_types",
            "& bad syntax"},
           {ok,
            [{"^ *Class .*", "@avp_types"},
             {"^ *Failed-AVP ", "@avp_types &"},
             {"@grouped", "&&"},
             {"^ *Failed-AVP ::=", "@grouped &"},
             {"CEA ::=", "<Class> &"},
             {"@avp_types", "@inherits diameter_gen_base_rfc3588 Class\n&"},
             {"@avp_types", "@custom_types mymod "
                                "Product-Name Firmware-Revision\n"
  
negative.code: 
  %% testcases
  -export([base/1,
           format/1,
           replace/1, replace/2]).
  
  -export([dict/0]).  %% fake dictionary module
  