-/* First, some background: there are three distinct server extensions which
- * are useful to a screen saver program: they are XIDLE, MIT-SCREEN-SAVER,
- * and SCREEN_SAVER.
- *
- * The XIDLE extension resides in .../contrib/extensions/xidle/ on the X11R5
- * contrib tape. This extension lets the client get accurate idle-time
- * information from the X server in a potentially more reliable way than by
- * simply watching for keyboard and mouse activity. However, the XIDLE
- * extension has apparently not been ported to X11R6.
- *
- * The SCREEN_SAVER extension is found (as far as I know) only in the SGI
- * X server, and it exists in all releases since (at least) Irix 5. The
- * relevant header file is /usr/include/X11/extensions/XScreenSaver.h.
- *
- * The similarly-named MIT-SCREEN-SAVER extension came into existence long
- * after the SGI SCREEN_SAVER extension was already in use, and resides in
- * .../contrib/extensions/screensaver/ on the X11R6 contrib tape. It is
- * also found in certain recent X servers built in to NCD X terminals.
- *
- * The MIT extension does basically the same thing that the XIDLE extension
- * does, but there are two things wrong with it: first, because of the way
- * the extension was designed, the `fade' option to XScreenSaver will be
- * uglier: just before the screen fades out, there will be an unattractive
- * flicker to black, because this extension blanks the screen *before*
- * telling us that it is time to do so. Second, this extension is known to
- * be buggy; on the systems I use, it works, but some people have reported
- * X server crashes as a result of using it. XScreenSaver uses this
- * extension rather conservatively, because when I tried to use any of its
- * more complicated features, I could get it to crash the server at the
- * drop of a hat.
- *
- * In short, the MIT-SCREEN-SAVER extension is a piece of junk. The older
- * SGI SCREEN_SAVER extension works great, as does XIDLE. It would be nice
- * If those two existed on more systems, that is, would be adopted by the
- * X Consortium in favor of their inferior "not-invented-here" entry.
- */