Subclassing DDXMLDocument, DDXMLElement, and DDXMLNode

[abillingsley]

I am looking to subclass each of the above classes for use with an SVG parser. I would like to replace the parsing mechanism in the SVGKit project (https://github.com/reklis/SVGKit) with KissXML. As stated in the Apple NSXML Documentation: "Because of the architecture and data model of NSXML, when it parses and processes a source of XML it cannot know about your subclass unless you override the class method replacementClassForClass: to return your custom class in place of an NSXML class. " Can you provide any insight on how I might subclass KissXML