assertFalse(options.isVersion());
        assertFalse(options.isAuthor());
        assertFalse(options.isSplitIndex());
        assertNull(options.getWindowTitle());
        assertNull(options.getDocTitle());
        assertNull(options.getFooter());
        assertNull(options.getBottom());
        assertEmpty(options.getLinks());
        assertEmpty(options.getLinksOffline());
        assertFalse(options.isLinkSource());

            throw new UncheckedIOException(ex);
        }
        getAntGroovydoc().execute(
            getSource(), destinationDir, isUse(), isNoTimestamp(), isNoVersionStamp(),
            getWindowTitle(), getDocTitle(), getHeader(), getFooter(), getPathToOverview(),
            getAccess().get(), getLinks(), getGroovyClasspath(), getClasspath(),
            getTemporaryDir(), getServices().get(FileSystemOperations.class),

        }

        if (!isTrue(options.getWindowTitle()) && isTrue(getTitle())) {
            options.windowTitle(getTitle());
        }
        if (!isTrue(options.getDocTitle()) && isTrue(getTitle())) {
            options.setDocTitle(getTitle());
        }

        String maxMemory = getMaxMemory();

     * javadoc -doctitle "Java<sup><font size=\"-2\">TM</font></sup>" com.mypackage
     */
    @Nullable @Optional @Input
    public String getDocTitle() {
        return docTitle.getValue();
    }

    public void setDocTitle(@Nullable String docTitle) {
        this.docTitle.setValue(docTitle);
    }