<!DOCTYPE tiny-htm [
  <!ELEMENT tiny-htm  - - (p|pre)+>
  <!ELEMENT p         - O (#PCDATA|i|b|var)*>
  <!ELEMENT pre       - O (#PCDATA|i|b|var)*>
  <!ELEMENT (i|b|var) - - (#PCDATA|i|b|var)*>
 ]>
<tiny-htm>
<p>This demonstrates the problem:
<pre>
  <var>status</var> = DOM_<var>operation</var
>, &<var>result</var>);
</pre>
<p>I hope this helps.
</tiny-htm>
