Use the new RFC macros wherever RFCs are referenced by number. No other
changes.
diff --git a/Doc/libquopri.tex b/Doc/libquopri.tex
index a7395ec..d1cb297 100644
--- a/Doc/libquopri.tex
+++ b/Doc/libquopri.tex
@@ -3,13 +3,12 @@
\stmodindex{quopri}
This module performs quoted-printable transport encoding and decoding,
-as defined in RFC 1521: ``MIME (Multipurpose Internet Mail Extensions)
+as defined in \rfc{1521}: ``MIME (Multipurpose Internet Mail Extensions)
Part One''. The quoted-printable encoding is designed for data where
there are relatively few nonprintable characters; the base-64 encoding
scheme available via the \code{base64} module is more compact if there
are many such characters, as when sending a graphics file.
\indexii{quoted printable}{encoding}
-\indexii{RFC}{1521}
\index{MIME!quoted-printable encoding}
\renewcommand{\indexsubitem}{(in module quopri)}