code:   public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
    {
  
      String fullName = m_arg0.execute(xctxt).str();
      int indexOfNSSep = fullName.indexOf(':');
      String result;
      String propName = "";
  
      // List of properties where the name of the
      // property argument is to be looked for.
      Properties xsltInfo = new Properties();
  
      loadPropertyFile(XSLT_PROPERTIES, xsltInfo);
  
      if (indexOfNSSep > 0)
      {
        String prefix = (indexOfNSSep >= 0)
                        ? fullName.substring(0, indexOfNSSep) : "";
        String namespace;
  
        namespace = xctxt.getNamespaceContext().getNamespaceForPrefix(prefix);
        propName = (indexOfNSSep < 0)
                   ? fullName : fullName.substring(indexOfNSSep + 1);
  
        if (namespace.startsWith("http://www.w3.org/XSL/Transform")
                || namespace.equals("http://www.w3.org/1999/XSL/Transform"))
        {
          result = xsltInfo.getProperty(propName);
  
          if (null == result)
          {
            warn(xctxt, XPATHErrorResources.WG_PROPERTY_NOT_SUPPORTED,
                 new Object[]{ fullName });  //"XSL Property not supported: "+fullName);
  
            return XString.EMPTYSTRING;
          }
        }
        else
        {
          warn(xctxt, XPATHErrorResources.WG_DONT_DO_ANYTHING_WITH_NS,
               new Object[]{ namespace,
                             fullName });  //"Don't currently do anything with namespace "+namespace+" in property: "+fullName);
  
          try
          {
            result = System.getProperty(propName);
  
            if (null == result)
            {
  
              // result = System.getenv(propName);
              return XString.EMPTYSTRING;
            }
          }
          catch (SecurityException se)
          {
            warn(xctxt, XPATHErrorResources.WG_SECURITY_EXCEPTION,
                 new Object[]{ fullName });  //"SecurityException when trying to access XSL system property: "+fullName);
  
            return XString.EMPTYSTRING;
          }
        }
      }
      else
      {
        try
        {
          result = System.getProperty(fullName);
  
          if (null == result)
          {
  
            // result = System.getenv(fullName);
            return XString.EMPTYSTRING;
          }
        }
        catch (SecurityException se)
        {
          warn(xctxt, XPATHErrorResources.WG_SECURITY_EXCEPTION,
               new Object[]{ fullName });  //"SecurityException when trying to access XSL system property: "+fullName);
  
          return XString.EMPTYSTRING;
        }
      }
  
      if (propName.equals("version") && result.length() > 0)
      {
        try
        {
          // Needs to return the version number of the spec we conform to.
          return new XString("1.0");
        }
        catch (Exception ex)
        {
          return new XString(result);
        }
      }
      else
        return new XString(result);
    }
  
    /**
     * Retrieve a propery bundle from a specified file
     * 
     * @param file The string name of the property file.  The name 
     * should already be fully qualified as path/filename
     * @param target The target property bag the file will be placed into.
     */
  