public function addQuotedAtPosition(string $type, int $position, string $value): void
    {
        if ($value[0]=='"') {
            $value = substr($value, 1, -1);
        }
        $value = stripcslashes($value);

        if ($this->entry[$type] === null) {
            $this->entry[$type] = array();
        }
        if (isset($this->entry[$type][$position]) &&
            is_scalar($this->entry[$type][$position])
        ) {
            $this->entry[$type][$position] = array($this->entry[$type][$position]);
        }
        $this->entry[$type][$position][] = $value;
    }