Use the new RFC macros wherever RFCs are referenced by number.  No other
changes.
diff --git a/Doc/libxdrlib.tex b/Doc/libxdrlib.tex
index 9312f98..3cfa92c 100644
--- a/Doc/libxdrlib.tex
+++ b/Doc/libxdrlib.tex
@@ -3,13 +3,12 @@
 \stmodindex{xdrlib}
 \index{XDR}
 \index{External Data Representation}
-\index{RFC!1014}
 
 \renewcommand{\indexsubitem}{(in module xdrlib)}
 
 
 The \code{xdrlib} module supports the External Data Representation
-Standard as described in RFC 1014, written by Sun Microsystems,
+Standard as described in \rfc{1014}, written by Sun Microsystems,
 Inc. June 1987.  It supports most of the data types described in the
 RFC.