anchor.diff:      pageContext.setAttribute( WikiTagBase.ATTR_CONTEXT,
                                 wikiContext );
   
  +    pageContext.setAttribute( InsertDiffTag.ATTR_OLDVERSION,
  +                              new Integer(ver1) );
  +    pageContext.setAttribute( InsertDiffTag.ATTR_NEWVERSION,
  +                              new Integer(ver2) );
  +
       String versionDescription1 = getVersionText( ver1 );
       String versionDescription2 = getVersionText( ver2 );
   
  
positive.code: <%@ page import="org.apache.log4j.*" %>
  <%@ page import="com.ecyrd.jspwiki.*" %>
  <%@ page import="com.ecyrd.jspwiki.tags.WikiTagBase" %>
  <%@ taglib uri="/WEB-INF/jspwiki.tld" prefix="wiki" %>
  
  <%! 
  
negative.code:     response.setContentType("text/html; charset="+wiki.getContentEncoding() );
  %>
  
  <%@ include file="templates/default/DiffTemplate.jsp" %>
  
  <%
      NDC.pop();
  