title: An OCaml odd thing
body: <p>Can anyone explain this OCaml toplevel behaviour?</p>
  
  <pre><code># 1________________________________1;;
  - : int = 11
  </code></pre>
  
  <p>(The big line is a sequence of underscores: '_')</p>
  
  <p>Out of curiosity, this program compiles under ocamlc, too.</p>