============
+Changes since 4.21: * Fixed a bug in the new mouse-motion code that caused
+ the screen to never blank on multi-head non-Xinerama
+ systems. Oops.
+ * New hacks, `interaggregate', `antmaze', `tangram',
+ and `crackberg'.
+ * Minor tweaks to `fiberlamp', `ifs', `slidescreen',
+ `zoom', `sonar', `fireworkx', `whirlwindwarp',
+ `bubble3d', and `rd-bomb'.
+ * Added motion blur to `blinkbox'.
+ * `bsod' now includes Longhorn's "RSOD", and OS/2.
+ * Fixed `-wireframe' usage in most hacks and man pages.
Changes since 4.20: * New hack: `fliptext'.
* Changed default configure installation directories:
/usr/bin/ for xscreensaver, etc.;