title: Forth language EBNF rule for the while loop
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/6053030/forth-language-ebnf-rule-for-an-infinite-loop-or-if-statement">Forth language EBNF rule for an infinite loop or if statement</a>  </p>
  </blockquote>
  
  
  
  <p>Is there any <a href="https://en.wikipedia.org/wiki/Extended_Backus%E2%80%93Naur_Form" rel="nofollow noreferrer">EBNF</a> rule that describes a Forth while loop (or any other loop)?</p>