title: LibreOffice Math Subscript ? Bug
body: <p>When using libreoffice on linux you cannot type </p>
  
  <pre><code>V sub in
  </code></pre>
  
  <p>in the math editor and actually get in.  In place is a question mark as if I had typed </p>
  
  <pre><code>V sub ?
  </code></pre>
  
  <p>How to solve?</p>