anchor.diff:      <fmt:message key="query.filterValue" /><%--Filter query results on this field having a specific value.--%>
       </a>
       </LEGEND>
  +
  +
       <!--
          ATTRIBUTE CONSTRAINT
       -->
  
positive.code:    NULL OR NOT NULL CONSTRAINT
  -->
    <c:if test="${(dec.path.attribute && !dec.path.primitive) || dec.path.reference || dec.path.collection}">
    <br/>
    <FIELDSET class="constraintFieldset">
      <LEGEND>
  
negative.code: <!doctype html>
  <%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
  <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
  <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
  