%token T_NUMBER T_SYMBOL T_LITERAL T_DIGITS T_QUOTE T_QUOTE2 T_QUOTE3
%token T_EQUAL T_NOTEQ T_LESSEQ T_GREATEREQ T_MATRIX_BEGIN T_MATRIX_END
-%token T_QUIT T_PRINT T_TIME T_XYZZY T_INVENTORY T_LOOK T_SCORE
+%token T_QUIT T_PRINT T_READ T_WRITE T_TIME T_XYZZY T_INVENTORY T_LOOK T_SCORE
/* Operator precedence and associativity */
%right '='