if (classDoc == null && getFileForClass(className).isFile()) {
            return getClassDoc(className)
        }
        return classDoc
    }

    gradlebuild.docs.dsl.docbook.model.ClassDoc getClassDoc(String className) {
        gradlebuild.docs.dsl.docbook.model.ClassDoc classDoc = classes[className]
        if (classDoc == null) {

            // Assume this is a class and so has implemented all properties and methods somewhere in the superclass hierarchy
            ClassDoc superClass = model.getClassDoc(superClassName);
            classDoc.setSuperClass(superClass);
            superClass.addSubClass(classDoc);
        }

        List<String> interfaceNames = classMetaData.getInterfaceNames();

            thead {
                tr {
                    td('Block')
                    td('Description')
                }
            }
        }

        def project = model.getClassDoc(Project.class.name)

        blocksTable.tr.each { Element tr ->
            mergeBlock(tr, project)
        }
    }

    def mergeBlock(Element tr, gradlebuild.docs.dsl.docbook.model.ClassDoc project) {