    public function getAsText()
    {
        if ($this->codeDefinition) {
            return $this->codeDefinition->asText($this);
        } else {
            $s = "";
            foreach ($this->getChildren() as $child)
                $s .= $child->getAsText();
            return $s;
        }
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.