$ xlyap :== $'mydir'xlyap
$ xmatrix :== $'mydir'xmatrix
$ xroger :== $'mydir'xroger
+$ xspirograph :== $'mydir'xspirograph
$ xsublim :== $'mydir'xsublim
+$ xteevee :== $'mydir'xteevee
$ set def [-.DRIVER]
$ mydir = mydisk+f$directory()
$ xscreensaver :== $'mydir'xscreensaver