-long-sustain phosphor. This program is also a fully-functional VT100
-emulator!
-
-The text can be the output of a program or the contents of a file or
-URL, as configured on the "Advanced" tab of the main Screensaver
-Preferences window.
+long-sustain phosphor. On X11 systems, This program is also a
+fully-functional VT100 emulator!