<span class="hljs-comment">!===============================</span>
  <span class="hljs-comment">!   This is a test subroutine</span>
  <span class="hljs-comment">!===============================</span>

<span class="hljs-comment">! another comment</span>

C=<span class="hljs-number">2</span>
C = <span class="hljs-number">2</span> <span class="hljs-comment">!correct</span>
C =<span class="hljs-string">&#x27;boo&#x27;</span>

<span class="hljs-keyword">contains</span>