anchor.diff:        </th>
         <td>
           <c:choose>
  -          <c:when test="${pet.new}">
  +          <c:when test="${visit.new}">
               <form:input path="date" size="10" maxlength="10"/> (yyyy-mm-dd)
             </c:when>
             <c:otherwise>
  
positive.code:     <tr>
        <td colspan="2">
          <c:choose>
            <c:when test="${pet.new}">
              <input type="hidden" name="petId" value="${visit.pet.id}"/>
              <p class="submit"><input type="submit" value="Add Visit"/></p>
            </c:when>
  
negative.code:       </th>
        <td>
          <c:choose>
            <c:when test="${visit.new}">
              <form:select path="vet" items="${vets}"/>
            </c:when>
            <c:otherwise>
  