Added How-To doc on debugging table reflow (provided by Bernd - Thanks!)

layout/doc/index.html

@@ -101,6 +101,7 @@ contributors   find information on small topics and issues, including simple
  <p class="good"><a href="http://lxr.mozilla.org/seamonkey/source/layout/doc/adding-style-props.html">How to add Style Properties</a>
  <p class="unassigned">Measuring Layout Performance
  <p class="wip">Running the Regression Tests (dcone)
+ <p class="good"><a href="http://lxr.mozilla.org/seamonkey/source/layout/doc/debugtable.html">Debugging Table Reflow</a>
 </div>
                
 <hr width="100%" size="2">
@@ -112,6 +113,7 @@ contributors   find information on small topics and issues, including simple
   <ul>
    <li>05/06/2002 - Marc Attinasi: created</li>
    <li>05/13/2002 - Marc Attinasi: added Block and Line Cheat Sheet, and link to existing Reflow document</li>
+   <li>05/21/2002 - Marc Attinasi: added Bernd's Table Reflow Debugging How-To (thanks Bernd!)</li>
   </ul>
                
 </body>