protected function replaceElement(DOMElement $element)
	{
		$elName = $this->lowercase($element->localName);
		if ($elName === $element->localName)
		{
			return;
		}

		// Create a new element with the correct name
		$newElement = (is_null($element->namespaceURI))
		            ? $this->ownerDocument->createElement($elName)
		            : $this->ownerDocument->createElementNS($element->namespaceURI, $elName);

		// Move every child to the new element
		while ($element->firstChild)
		{
			$newElement->appendChild($element->removeChild($element->firstChild));
		}

		// Copy attributes to the new node
		foreach ($element->attributes as $attribute)
		{
			$newElement->setAttributeNS(
				$attribute->namespaceURI,
				$attribute->nodeName,
				$attribute->value
			);
		}

		// Replace the old element with the new one
		$element->parentNode->replaceChild($newElement, $element);
	}