In org-mode 7.8, how do I remove the "Validate XHTML 1.0" message at the bottom of the page? Its neighbours can be removed with: #+OPTIONS: author:nil email:nil creator:nil timestamp:nil but I can't find the equivalent for the "Validate XHTML 1.0" message.
![In org-mode, how do I remove the "Validate XHTML 1.0" message from HTML export?](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)