Issue #10287: nntplib now queries the server's CAPABILITIES first before sending MODE READER, and only sends it if not already in READER mode.
Patch by Hynek Schlawack.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6180361..06ce404 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -113,6 +113,10 @@
 Library
 -------
 
+- Issue #10287: nntplib now queries the server's CAPABILITIES first before
+  sending MODE READER, and only sends it if not already in READER mode.
+  Patch by Hynek Schlawack.
+
 - Issue #13979: A bug in ctypes.util.find_library that caused
   the wrong library name to be returned has been fixed.