title: html5 facebook and special characters
body: <p>I am using addthis and including facebook sharing button. I currently use html5 and when I include:
  <code>xmlns:fb="http://ogp.me/ns/fb#"</code> in my html tag, this causes special characters such as ’  the left apostrophe to show up as three question marks. </p>
  
  <p>I know replacing this with entity would fix this but data is entered via a text box in a cms, by users. Removing the xmlns items fixes this. The page is encoded in utf8.</p>
  
  <pre><code>&lt;!doctype html&gt;
  &lt;!--[if lt IE 7]&gt; &lt;html class="no-js lt-ie9 lt-ie8 lt-ie7" lang="en"&gt; &lt;![endif]--&gt;
  &lt;!--[if IE 7]&gt;    &lt;html class="no-js lt-ie9 lt-ie8" lang="en"&gt; &lt;![endif]--&gt;
  &lt;!--[if IE 8]&gt;    &lt;html class="no-js lt-ie9" lang="en"&gt; &lt;![endif]--&gt;
  &lt;!--[if gt IE 8]&gt;&lt;!--&gt; &lt;html class="no-js" lang="en" xmlns:fb="http://ogp.me/ns/fb#" &gt; &lt;!--&lt;![endif]--&gt; 
  &lt;head&gt;
   &lt;meta charset="utf-8"&gt;
  </code></pre>
  
  <p>Does anyone have any suggestions?</p>
  
  <p>Thanks,
  Bart</p>