testing why grammar does not work

grammar.y

@@ -8,9 +8,9 @@
   extern int yylex(void);
   void yyerror(const char *err);
 %}
-/*
+
 %token ID 101
-%token T_INTEGER 201
+%token T_INTEGER
 %token T_ADDRESS 202
 %token T_BOOLEAN 203
 %token T_CHARACTER 204
@@ -54,10 +54,19 @@
 %token DOT 612
 %token RESERVE 613
 %token RELEASE 614
-%token COMMENT 700 */
+%token COMMENT 700
 %%
 
-start: /*empty for now*/
+input: /*empty for now*/
+	OPTIONAL;
+	
+OPTIONAL_OPTIONAL: 
+	OPTIONAL
+	| OPTIONAL_OPTIONAL OPTIONAL		{printf("expansion\n");};
+
+OPTIONAL:
+	'['		{printf("success");}
+	|%empty
 	;
 // B : '{'{CreateScope(cur,line,column)} E '}'; //Braced Expressions can have braces removed to get regular expressions
 // D : '[' l ']'; //Declaration Lists Brackets can be taken out to get a list of Declarations