Looking at the dir, I see:
xemacs-21.2.19.tar.gz 6500 Kb Thu Jul 29 23:52:00 1999
xemacs-21.2.20.tar.gz 8907 Kb Wed Nov 10 04:29:00 1999
Good lord. Has 21.2 *really* grown 2.4Mbytes (compressed!) between 2
beta releases? Over a third larger than the previous release?