<div petal:if="view/concept/error" class="error">
<?if name="view/concept/error/isInvalid"?>
Validation Error:
<ul>
<li petal:if="view/concept/error/isNameRequired">Concept name required!</li>
<li petal:if="view/concept/error/isCreatorRequired">Concept creator required!</li>
<li petal:if="view/concept/error/isDateRequired">Concept date required!</li>
</ul>
<?else?>
Error:
<ul>
<li petal:if="view/concept/error/isExists">A concept named "$view/concept/error/concept/name" already exists!</li>
<li petal:if="view/concept/error/isNonExistent">No concept named "$view/concept/error/concept/name" exists!</li>
</ul>
<?end?>
</div>