final String sampleContent = getSampleContent(sampleBaseDir, sampleDir, files);
        reader.pushInclude(sampleContent, target, target, 1, attributes);
    }

    private static String getSourceSyntax(String fileName) {
        String syntax = "txt";
        int i = fileName.lastIndexOf('.');
        if (i > 0) {
            String substring = fileName.substring(i + 1);