<%@ tag body-content="empty" dynamic-attributes="dynattrs" %>
<%@ attribute name="caption" required="true" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<table
  <c:forEach items="${dynattrs}" var="a">
    ${a.key}="${a.value}"
  </c:forEach>
>
  <caption>${caption}</caption>
  <tr>
    <th>Name</th>
    <th>Value</th>
  </tr>
  <c:forEach items="${header}" var="h">
    <tr>
      <td>${h.key}</td>
      <td>${h.value}</td>
    </tr>
  </c:forEach>
</table>