ObjFW  Diff

      <OFString>B&quot;la</OFString>
    </object>
    <key>
      <OFList>
        <OFString>Hello</OFString>
        <OFString>Wo&#xD;ld!
How are you?</OFString>
        <OFURL>https://objfw.nil.im/</OFURL>
        <OFXMLElement name='x'>
          <children>
            <OFMutableArray>
              <OFXMLElement name='y'/>
              <OFXMLCDATA><![CDATA[<]]></OFXMLCDATA>
            </OFMutableArray>
          </children>