title: Wikipedia API: how to get the number of revisions of a page?
body: <p>Anyone know how to get the number of revisions of a wikipedia page using mediawiki API?
  I have read this API documentation, but can't find the related API:<br>
  <a href="http://www.mediawiki.org/wiki/API:Properties#revisions_.2F_rv" rel="noreferrer">Revision API</a>  </p>