anchor.diff:               {
                    java.util.Date lastchange = wikipage.getLastModified();
   
  -                 String author = wikipage.getAuthor();
  -                 if( author == null ) author = "unknown";
  -
                    if( version == -1 )
                    {
                        %>                
  -                     <I>This page last changed on <A HREF="<%=wiki.getBaseURL()%>Diff.jsp?page=<%=pageurl%>&r1=<%=version%>"><%=lastchange%></A> by <%=author%>.</I>
  +                     <I>This page last changed on <A HREF="<%=wiki.getBaseURL()%>Diff.jsp?page=<%=pageurl%>&r1=<%=version%>"><%=lastchange%></A> by <wiki:Author />.</I>
                        <%
                    } else {
                        %>
  -                     <I>This particular version was published on <%=lastchange%> by <%=author%></I>.
  +                     <I>This particular version was published on <%=lastchange%> by <wiki:Author /></I>.
                        <%
                    }
  -             } else {
  -                 %>
  -                 <I>Page not created yet.</I>
  -                 <%
                }
                %>
  +             <wiki:NoSuchPage>
  +                 <I>Page not created yet.</I>
  +             </wiki:NoSuchPage>
  +
                </FONT>
             </td>
           </tr>
  
positive.code:              // if version == -1, the current page is returned.
               out.println(wiki.getHTML(pagereq, version));
           }
           else
           {
               if(version == -1)
               {
               %>
                  This page does not exist.  Why don't you go and
                  <A HREF="<%=wiki.getBaseURL()%>Edit.jsp?page=<%=pageurl%>">create it</A>?
               <%
               }
               else
               {
               %>
                  This version of the page does not seem to exist.
               <%
               }
           }
        %>
  
        <P><HR>
        <table border="0" width="100%">
          <tr>
            <td align="left">
               <% if( isEditable ) { %>
                   <A HREF="<%=wiki.getBaseURL()%>Edit.jsp?page=<%=pageurl%>">Edit <%=pageReference%></A>.
                   &nbsp;&nbsp;
               <% } %>
               <% if( wikipage != null ) { %>
  
negative.code:        <%@ include file="../LeftMenu.jsp" %>
         <P>
         <% if( isEditable ) { %>
            <wiki:EditLink>Edit <%=pageReference%></wiki:EditLink>
         <% } %>
         </P>
         <%@ include file="../LeftMenuFooter.jsp" %>
  