Issue #25738: Don’t send message body for 205 Reset Content

Patch by Susumu Koshiba.
diff --git a/Misc/ACKS b/Misc/ACKS
index 02e4821..262c647 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -781,6 +781,7 @@
 Peter A. Koren
 Марк Коренберг
 Vlad Korolev
+Susumu Koshiba
 Joseph Koshy
 Daniel Kozan
 Jerzy Kozera
diff --git a/Misc/NEWS b/Misc/NEWS
index ff71902..4763374 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -131,6 +131,11 @@
 Library
 -------
 
+- Issue #25738: Stop http.server.BaseHTTPRequestHandler.send_error() from
+  sending a message body for 205 Reset Content.  Also, don't send Content
+  header fields in responses that don't have a body.  Patch by Susumu
+  Koshiba.
+
 - Issue #21313: Fix the "platform" module to tolerate when sys.version
   contains truncated build information.