anchor.diff:              <tr valign=middle align=right>
                 <c:if test="${nextMessage != null}">
                   <td>
  +                  <a href="${fn:escapeXml(nextMessage.linkLastmod)}" rel=next rev=prev>
                     <%= StringUtil.makeTitle(nextMessage.getTitle()) %>
  +                  </a>
                     <c:if test="${!scrollGroup}">
                       (${nextMessage.groupTitle})
                     </c:if>
  
positive.code:         <td align=left valign=middle width="35%">
            <table>
              <tr valign=middle>
                <c:if test="${prevMessage != null}">
                  <td style="padding-right: 5px">
                    <a href="${fn:escapeXml(prevMessage.linkLastmod)}" rel=prev rev=next>←</a>
                  </td>
                  <td align=left valign=top>
  <%
      if (scroll == Section.SCROLL_GROUP) {
        out.print(StringUtil.makeTitle(prevMessage.getTitle()));
      } else {
        out.print(StringUtil.makeTitle(prevMessage.getTitle()) + " (" + prevMessage.getGroupTitle() + ')');
      }
  %>
                  </td>
                </c:if>
              </tr>
            </table>
          </td>
  
negative.code:             <tr valign=middle align=right>
                <c:if test="${nextMessage != null}">
                  <td>
                    <a href="${fn:escapeXml(nextMessage.linkLastmod)}" rel=next rev=prev>
                    <%= StringUtil.makeTitle(nextMessage.getTitle()) %>
                    </a>
                    <c:if test="${!scrollGroup}">
                      (${nextMessage.groupTitle})
                    </c:if>
  