CMD_PARSE_STRING
arg->type = CMD_PARSE_STRING;
arg->type = CMD_PARSE_STRING;
arg->type = CMD_PARSE_STRING;
$$->type = CMD_PARSE_STRING;
$$->type = CMD_PARSE_STRING;
case CMD_PARSE_STRING:
case CMD_PARSE_STRING:
if (first == NULL || first->type != CMD_PARSE_STRING) {
case CMD_PARSE_STRING: