--- rxvt-unicode/src/rxvttoolkit.h	2008/01/23 05:59:30	1.42
+++ rxvt-unicode/src/rxvttoolkit.h	2008/01/23 09:14:58	1.43
@@ -334,8 +334,7 @@
   bool is_opaque () const
   {
 #if XFT
-    //TODO: only supports 24 bit truecolour
-    return c.color.alpha < 0xff00;
+    return c.color.alpha == rgba::MAX_CC;
 #else
     return 1;
 #endif