using xml** Identifies the software used to generate the feed. Used for debugging and other purposes.** ** @see The [atom:generator]`http://tools.ietf.org/html/rfc4287#section-4.2.4` Elementclass Generator {** *(Required)*** The name of the generator. Str name** *(Optional)* ** The URI of the generator. Uri? uri** *(Optional)* ** The version of the generator. Str? version** Creates a 'Generator' with the required fields.new make(Str name){this.name = name}** Creates a '<generator>' element.virtual XElem toXml(){ generator := XElem("generator")if(uri != null) generator.addAttr("uri", uri.toStr)if(version != null) generator.addAttr("version", version) generator.add(XText(name))return generator}}