misc.idl: Add reference to the slightly odd representation of if_version

I found this confusing, so explian for the next poor programmer who
has to get up to speed with this quickly.

Andrew Bartlett

diff --git a/librpc/idl/misc.idl b/librpc/idl/misc.idl
index adaac9a5336a6b675575b7b490f75554d5f337d2..a60d30bef2c450e02c5ab008f45b07ebc74f0653 100644 (file)
--- a/librpc/idl/misc.idl
+++ b/librpc/idl/misc.idl
@@ -21,6 +21,9 @@ interface misc
 
        typedef [public] struct {
                GUID uuid;
+               /* The major version is encoded in the 16 least significant bits, 
+                  the minor in the 16 most significant bits.  
+                  http://www.opengroup.org/onlinepubs/9629399/chap12.htm */
                uint32 if_version;
        } ndr_syntax_id;