Zend_Forms Errors Decorator - remove html tags

Error decorator input errors such way:

  <ul class="error">
开发者_JAVA技巧     <li>Error message</li>
 </ul>

How can i remove this tags and leave only error message text?

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I think a neat solution to the problem is to create your own custom decorator, and use it instead of the "Errors" decorator.

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$errors = $zendForm->getErrorMessages();

I think this should work? Not 100% sure though I don't have time to check documentation.