Pop\Dom\Dom::setCharset PHP Method

    public function setCharset($chr)
    {
        $this->charset = $chr;
        return $this;
    }

 public function testSetAndGetCharset()
 {
     $d = new Dom(Dom::XHTML11);
     $d->setCharset('utf-8');
     $this->assertEquals('utf-8', $d->getCharset());
 }