TK_CHAR          3085 regparse.c       tok->type = TK_CHAR;
TK_CHAR          4610 regparse.c       if (r == TK_CHAR && tok->u.c == '^' && tok->escaped == 0) {
TK_CHAR          4625 regparse.c         r = tok->type = TK_CHAR;  /* allow []...] */
TK_CHAR          4648 regparse.c         case TK_CHAR: