#15980: properly escape newlines in docstrings. Patch by Serhiy Storchaka.
diff --git a/Lib/rfc822.py b/Lib/rfc822.py
index 3b29a6a..b65d8da 100644
--- a/Lib/rfc822.py
+++ b/Lib/rfc822.py
@@ -212,7 +212,7 @@
You may override this method if your application wants to bend the
rules, e.g. to strip trailing whitespace, or to recognize MH template
separators ('--------'). For convenience (e.g. for code reading from
- sockets) a line consisting of \r\n also matches.
+ sockets) a line consisting of \\r\\n also matches.
"""
return line in _blanklines