parser.y in lrama-0.6.1 vs parser.y in lrama-0.6.2

@@ -67,10 +67,11 @@
                        }
                      "}"
                        {
                          @grammar.initial_action = Grammar::Code::InitialActionCode.new(type: :initial_action, token_code: val[3])
                        }
+                   | "%no-stdlib" { @grammar.no_stdlib = true }
                    | ";"
 
   grammar_declaration: "%union" "{"
                          {
                            begin_c_declaration("}")
@@ -449,13 +450,13 @@
            builder = val[0]
            builder.precedence_sym = sym
            result = builder
          }
 
-  parameterizing_suffix: "?"
-                       | "+"
-                       | "*"
+  parameterizing_suffix: "?" { result = "option" }
+                       | "+" { result = "nonempty_list" }
+                       | "*" { result = "list" }
 
   parameterizing_args: symbol { result = [val[0]] }
                      | parameterizing_args ',' symbol { result = val[0].append(val[2]) }
                      | symbol parameterizing_suffix { result = [Lrama::Lexer::Token::InstantiateRule.new(s_value: val[1].s_value, location: @lexer.location, args: val[0])] }
                      | IDENTIFIER "(" parameterizing_args ")" { result = [Lrama::Lexer::Token::InstantiateRule.new(s_value: val[0].s_value, location: @lexer.location, args: val[2])] }
@@ -512,11 +513,9 @@
     @lexer = Lrama::Lexer.new(@grammar_file)
     @grammar = Lrama::Grammar.new(@rule_counter)
     @precedence_number = 0
     reset_precs
     do_parse
-    @grammar.prepare
-    @grammar.validate!
     @grammar
   end
 end
 
 def next_token