From http://www.jwz.org/xscreensaver/xscreensaver-5.18.tar.gz

[xscreensaver] / hacks / penetrate.c

diff --git a/hacks/penetrate.c b/hacks/penetrate.c
index 721ee01600f07eb3ef1a622c3cbfd6bb8608335f..0707422bbaac5bf4591c2ccba260d08d43d261a1 100644 (file)
--- a/hacks/penetrate.c
+++ b/hacks/penetrate.c
@@ -949,6 +949,7 @@ static void
 penetrate_reshape (Display *dpy, Window window, void *closure, 
                  unsigned int w, unsigned int h)
 {
+  XClearWindow (dpy, window);
 }
 
 static Bool