diff -urN skkinput-2.06.3.ORIG/cstyle.c skkinput-2.06.3/cstyle.c
--- skkinput-2.06.3.ORIG/cstyle.c	2002-06-29 13:48:46.000000000 +0900
+++ skkinput-2.06.3/cstyle.c	2003-10-08 01:02:26.000000000 +0900
@@ -175,8 +175,7 @@
       break ;
     }
   } else {
-    if( chara == 0x20 && ( xkev->state & ShiftMask ) &&
-	!( xkev->state & ( ~ShiftMask ) ) ){
+    if( chara == 0x20 && ( xkev->state & ShiftMask )){
       chara = CHARA_SHIFT_SPACE ;
     }
   }