appendFileContentsTo(document.head(), "<script type='text/javascript'>", jquery, "</script>");
        }
        appendFileContentsTo(document.head(), "<script type='text/javascript'>", releaseNotesJavascript, "</script>");
    }

    private void addCssToHead(Document document) {
        appendFileContentsTo(document.head(), "<style>", baseCss, "</style>");

            // TODO: This breaks the provider
            task.setOutputDir(extension.getUserManual().getStagingRoot().dir("render-single-pdf").get().getAsFile());
            // The PDF rendering needs at least 2GB of heap
            task.jvm(options -> options.setMaxHeapSize("3g"));
        });

        TaskProvider<AsciidoctorTask> userguideMultiPage = tasks.register("userguideMultiPage", AsciidoctorTask.class, task -> {