StandardJavadocDocletOptions options = (StandardJavadocDocletOptions) task.getOptions();
            options.setEncoding("utf-8");
            options.setDocEncoding("utf-8");
            options.setCharSet("utf-8");

            // TODO: This would be better to model as separate options
            options.addStringOption("Xdoclint:syntax,html,reference", "-quiet");

            task.outputOptions(options -> options.setBackends(singletonList("pdf")));
            // 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"));
        });

    @TaskAction
    public void process() {
        MutableDataSet options = new MutableDataSet();
        options.set(Parser.EXTENSIONS, Collections.singletonList(TablesExtension.create()));
        Parser parser = Parser.builder(options).build();
        HtmlRenderer renderer = HtmlRenderer.builder(options).build();
        File markdownFile = getMarkdownFile().get().getAsFile();