--- a/mojoshader.h	Thu Feb 19 04:05:37 2009 -0500
+++ b/mojoshader.h	Fri Feb 20 01:15:24 2009 -0500
@@ -615,6 +615,7 @@
 
 /*
  * Structure used to pass predefined macros. Maps to D3DXMACRO.
+ *  You can have macro arguments: set identifier to "a(b, c)" or whatever.
  */
 typedef struct MOJOSHADER_preprocessorDefine
 {