Use raw strings for docstrings with backslashes in ASCII diagrams
diff --git a/Lib/httplib.py b/Lib/httplib.py
index 19bcd1b..13629c4 100644
--- a/Lib/httplib.py
+++ b/Lib/httplib.py
@@ -1,4 +1,4 @@
-"""HTTP/1.1 client library
+r"""HTTP/1.1 client library
 
 <intro stuff goes here>
 <other stuff, too>