From http://www.jwz.org/xscreensaver/xscreensaver-5.20.tar.gz

[xscreensaver] / OSX / XScreenSaverView.m

diff --git a/OSX/XScreenSaverView.m b/OSX/XScreenSaverView.m
index 4cb5ea1183f41553fbe81b8f0f3424f4bfe89532..a0dc3813200b738f86d24d2c2aea71251d283c9a 100644 (file)
--- a/OSX/XScreenSaverView.m
+++ b/OSX/XScreenSaverView.m
@@ -1200,6 +1200,8 @@ double current_device_rotation (void)
             }
           }
 
+        if (! k) return YES;   // E.g., "KeyRelease XK_Shift_L"
+
         xe.xkey.keycode = k;
         xe.xkey.state = state;
         break;