elements.add((Element) node);
        }
        return elements;
    }

    public void appendChild(String text) {
        appendChild(document.createTextNode(text));
    }

    public void appendChild(Node node) {
        boolean inPara = false;
        if (node instanceof Element) {
            Element element = (Element) node;

        segtitle.appendChild(document.createTextNode("Delegates to"));
        Element seglistitem = document.createElement("seglistitem");
        segmentedlist.appendChild(seglistitem);
        Element seg = document.createElement("seg");
        seglistitem.appendChild(seg);
        if (blockDoc.isMultiValued()) {
            seg.appendChild(document.createTextNode("Each "));

        parent.appendChild(thead);
        Element tr = document.createElement("tr");
        thead.appendChild(tr);
        Element td = document.createElement("td");
        tr.appendChild(td);
        td.appendChild(document.createTextNode("Property"));
        td = document.createElement("td");
        tr.appendChild(td);
        td.appendChild(document.createTextNode("Description"));

        parent.appendChild(section);

        Element title = document.createElement("title");
        section.appendChild(title);
        title.appendChild(document.createTextNode("Script blocks added by the "));
        Element literal = document.createElement("literal");
        title.appendChild(literal);
        literal.appendChild(document.createTextNode(extension.getPluginId()));

        parent.appendChild(section);

        Element title = document.createElement("title");
        section.appendChild(title);
        title.appendChild(document.createTextNode("Properties added by the "));
        Element literal = document.createElement("literal");
        title.appendChild(literal);
        literal.appendChild(document.createTextNode(extension.getPluginId()));

        parent.appendChild(thead);
        Element tr = document.createElement("tr");
        thead.appendChild(tr);
        Element td = document.createElement("td");
        tr.appendChild(td);
        td.appendChild(document.createTextNode("Method"));
        td = document.createElement("td");
        tr.appendChild(td);
        td.appendChild(document.createTextNode("Description"));

            parent.appendChild(list);
            Element segtitle = document.createElement("segtitle");
            list.appendChild(segtitle);
            segtitle.appendChild(document.createTextNode("Known Subtypes"));
            Element listItem = document.createElement("seglistitem");
            list.appendChild(listItem);
            Element seg = document.createElement("seg");

            propertyMetaData.setType(new TypeMetaData(type.getName()));

            Element para = doc.createElement("para");
            para.appendChild(doc.createTextNode("The "));
            para.appendChild(linkRenderer.link(propertyMetaData.getType(), listener));
            para.appendChild(doc.createTextNode(String.format(" added by the %s plugin.", extensionDoc.getPluginId())));

                var message = document.createElement('li')
                var content = document.createTextNode(event.data)
                message.appendChild(content)
                messages.appendChild(message)
            };
            function sendMessage(event) {
                var input = document.getElementById("messageText")
                ws.send(input.value)

        Document document = parent.getOwnerDocument();

        Element summarySection = document.createElement("section");
        parent.appendChild(summarySection);

        Element title = document.createElement("title");
        summarySection.appendChild(title);
        title.appendChild(document.createTextNode("Properties"));

        Collection<PropertyDoc> classProperties = classDoc.getClassProperties();