    public function testHalfOpenTag()
    {
        $this->assertProduces('[b', '[b');
        $this->assertProduces('wut [url=http://jbbcode.com',
                              'wut [url=http://jbbcode.com');
    }
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.