then:
        format(result.docbook) == '''<para><UNHANDLED-ELEMENT>&lt;unknown&gt;text&lt;/unknown&gt;</UNHANDLED-ELEMENT><UNHANDLED-ELEMENT>&lt;inheritdoc&gt;<UNHANDLED-TAG>{@unknown text}</UNHANDLED-TAG><UNHANDLED-TAG>{@p text}</UNHANDLED-TAG><UNHANDLED-TAG>{@ unknown}</UNHANDLED-TAG>&lt;/inheritdoc&gt;</UNHANDLED-ELEMENT></para>'''
    }

    def handlesMissingStartTags() {

    }

    def doesNotParseHtmlElementsInsideJavadocTag() {
        when:
        lexer.pushText("{@link <something> & &lt; </something>}")
        lexer.visit(visitor)

        then:
        1 * visitor.onStartJavadocTag('link')
        1 * visitor.onText('<something> & &lt; </something>')
        1 * visitor.onEndJavadocTag('link')
        1 * visitor.onEnd()
        0 * visitor._
    }

            target.append("</${element.tagName}>")

            return
        }

        if (node instanceof Text) {
            target.append(node.nodeValue.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;'))
            return
        }

        throw new UnsupportedOperationException("Don't know how to format DOM node: $node")
    }

        metaData.addTypeArg(type('Type2'))

        when:
        def link = renderer.link(metaData, listener)

        then:
        format(link) == '<classname><apilink class="org.gradle.SomeClass"/>&lt;<apilink class="Type1"/>, <apilink class="Type2"/>&gt;</classname>'
        _ * model.isKnownType('org.gradle.SomeClass') >> true
        _ * model.isKnownType('Type1') >> true
        _ * model.isKnownType('Type2') >> true