Add deprecation notices to modules deprecated since 2000.
diff --git a/Doc/lib/libgopherlib.tex b/Doc/lib/libgopherlib.tex
index 820f63d..4b22605 100644
--- a/Doc/lib/libgopherlib.tex
+++ b/Doc/lib/libgopherlib.tex
@@ -4,6 +4,9 @@
\declaremodule{standard}{gopherlib}
\modulesynopsis{Gopher protocol client (requires sockets).}
+\deprecated{2.5}{The \code{gopher} protocol is not in active use
+ anymore.}
+
\indexii{Gopher}{protocol}
This module provides a minimal implementation of client side of the