extensionMethodsSummaryRenderer.renderTo(extensionDoc, summarySection);
        }

        if (!hasMethods(classDoc)) {
            Element para = document.createElement("para");
            summarySection.appendChild(para);
            para.appendChild(document.createTextNode("No methods"));
        }
    }

    @Override
    public void renderDetailsTo(ClassDoc classDoc, Element parent) {

        }
        return sections[0]
    }

    Element getDescription() {
        if (comment.isEmpty() || comment[0].tagName != 'para') {
            throw new RuntimeException("Class $className does not have a description paragraph.")
        }
        return comment[0]
    }

    PropertyDoc findProperty(String name) {

        </segmentedlist>
        <para>class comment</para>
        <section>
            <title>Properties</title>
            <para>No properties</para>
        </section>
        <section>
            <title>Methods</title>
            <para>No methods</para>
        </section>
        <section>
            <title>Script blocks</title>
            <para>No script blocks</para>
        </section>
    </chapter>

            parent.appendChild(caution);
            Element para = document.createElement("para");
            caution.appendChild(para);
            para.appendChild(document.createTextNode(String.format("Note: This %s is ", type)));
            Element link = document.createElement("ulink");
            para.appendChild(link);
            link.setAttribute("url", "../userguide/feature_lifecycle.html");

        _ * javadocConverter.parse(property, !null) >> ({[parse("<para>${args.comment ?: 'comment'}</para>")]} as DocComment)
        return property
    }

    def propertyDoc(Map<String, ?> args = [:], String name) {
        return new PropertyDoc(classMetaData(), property(name, null), [parse("<para>$name comment</para>")], args.additionalValues ?: [])
    }

        List<Element> nodes = docComment.getDocbook();
        if (nodes.isEmpty()) {
            return;
        }

        Element firstNode = nodes.get(0);
        if (!firstNode.getNodeName().equals("para") || !(firstNode.getFirstChild() instanceof Text)) {
            return;
        }

        Text comment = (Text) firstNode.getFirstChild();
        Matcher matcher = ACCESSOR_COMMENT_PATTERN.matcher(comment.getData());

        format(result.docbook) == '''<para><emphasis>para 1</emphasis></para><para>para 2</para>'''
    }

    def ignoresEmptyPElements() {
        _ * classMetaData.rawCommentText >> 'para 1<p/><p></p>para 2<p></p>'

        when:
        def result = parser.parse(classMetaData, listener)

        then:
        format(result.docbook) == '''<para>para 1</para><para>para 2</para>'''
    }

            extensionPropertiesSummaryRenderer.renderTo(extensionDoc, summarySection);
        }

        if (!hasProperties(classDoc)) {
            Element para = document.createElement("para");
            summarySection.appendChild(para);
            para.appendChild(document.createTextNode("No properties"));
        }
    }

    @Override
    public void renderDetailsTo(ClassDoc classDoc, Element parent) {

            if (element.getTagName().equals("para") && stack.getFirst().getTagName().equals("para")) {
                pop();
                inPara = true;
            }
        }
        stack.getFirst().appendChild(node);
        if (inPara) {
            Element para = document.createElement("para");
            push(para);
        }
    }

    public void push(Element element) {

            extensionBlocksSummaryRenderer.renderTo(extensionDoc, summarySection);
        }

        if (!hasBlocks(classDoc)) {
            Element para = document.createElement("para");
            summarySection.appendChild(para);
            para.appendChild(document.createTextNode("No script blocks"));
        }
    }

    @Override
    public void renderDetailsTo(ClassDoc classDoc, Element parent) {