About empty P element.

In 9.3.1, it is said that
| We discourage authors from using empty P elements.

But I saw many empty P elements in many files like this.

| <div class="example"><P>
| <P>Here's a simple form that includes labels, radio buttons,
| and push buttons (reset the form or submit it):

I hope you to pick them off.

 --
 UCHIDA,Akira
 uchida@happy.email.ne.jp