*
     * @param markdown the markdown text
     * @return sanitized HTML
     */
    protected String renderMarkdownToHtml(final String markdown) {
        if (markdownRenderer == null || !markdownRenderer.isInitialized()) {
            logger.warn("MarkdownRenderer is not initialized, returning escaped text");
            return escapeHtml(markdown);
        }
        return markdownRenderer.render(markdown);
    }