 //
 private extension NSAttributedStringToNodes {
 
-    ///
+    /// Defines a Tree Branch: Collection of Nodes, with a set of Leaves
     ///
     typealias Branch = (nodes: [ElementNode], leaves: [Node])
 

    }


    ///
    ///
    private func sort(branches: [Branch]) -> [Branch] {
        var output = [Branch]()

    }


    /// Extracts the Video Source Attribute from a VideoAttachment Instance.
    ///
    private func videoSourceAttribute(from attachment: VideoAttachment) -> StringAttribute? {
        guard let source = attachment.srcURL?.absoluteString else {
