Playing with my new PC:

# apt-get install xemacs21
...
The following NEW packages will be installed:
xemacs21 xemacs21-basesupport xemacs21-bin xemacs21-mule
xemacs21-mulesupport xemacs21-support
0 upgraded, 6 newly installed, 0 to remove and 21 not upgraded
Need to get 33.6MB of archives.
After unpacking 106MB of additional disk space will be used

Choke, choke. xemacs needs 106 MB of disk space?