title: HG: find where a deleted line was removed
body: <p>I am looking for the mercurial equivalent of the solution to this question:</p>
  
  <p><a href="https://stackoverflow.com/questions/4404444/how-do-i-blame-a-deleted-line">How do I &quot;git blame&quot; a deleted line?</a></p>
  
  <p>In short, I am looking at a mercurial commit where a line was added, and in the current revision this line is no longer present, and I want to find when and why it was removed.</p>