It looks like the link to his tutorial has been lost with the new addition of the git/bzr tutorial that follows it, on worg.  I hope it&#39;s still available, as I intend to implement some of the ideas in that document.<br>
<br>Alan <br clear="all"><br>-- <br>Alan Davis<br><br>&quot;An inviscid theory of flow renders the screw useless, but the need for one non-existent.&quot;                     ---Lord Raleigh (John William Strutt), or else his son, who was also a scientist.<br>
<br>It is undesirable to believe a proposition when <br>there is no ground whatsoever for supposing it is true.<br>     ---- Bertrand Russell <br><br><br>