task.setOutputDir(extension.getUserManual().getStagingRoot().dir("render-single-html").get().getAsFile());
        });

        TaskProvider<AsciidoctorTask> userguideSinglePagePdf = tasks.register("userguideSinglePagePdf", AsciidoctorTask.class, task -> {
            task.setDescription("Generates PDF single-page user manual.");
            configureForUserGuideSinglePage(task, extension, project);