[ydl-gen] YDL v5.0

[Andrew Ball]

Hello Kai,

   KS> YDL v5.0 is just around the corner ... it is going to knock your
     > socks off :)

Is it going to ship with "cu"?  ;-)

Be sure to tell it not to try colour depths >16 bits on an original
iBook G3.

I look forward with interest to seeing it.
   - Andy Ball