Add deprecation warning to modules deprecated since 2000.
diff --git a/Lib/gopherlib.py b/Lib/gopherlib.py
index 01eab0a..226eda6 100644
--- a/Lib/gopherlib.py
+++ b/Lib/gopherlib.py
@@ -2,6 +2,9 @@
 
 __all__ = ["send_selector","send_query"]
 
+import warnings
+warnings.warn("the gopherlib module is deprecated", DeprecationWarning)
+
 # Default selector, host and port
 DEF_SELECTOR = '1/'
 DEF_HOST     = 'gopher.micro.umn.edu'