WP Markdown Extra Pro plugin.
WP Markdown Extra Pro is a commercial plugin available at https://wpsharks.com/product/wp-markdown-extra-pro. The plugin is hosted here on a public Github repository in order to better facilitate community contributions from developers and users alike. If you have a suggestion, a bug report, or a patch for an issue, feel free to submit it here. We do ask, however, that if you are using the plugin on a live site that you please purchase a valid license from https://wpsharks.com/product/wp-markdown-extra-pro. We cannot provide support to anyone that does not hold a valid license key.