From a5c313dc4dc4a247e3515217bc5f2d56a5c01422 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Wed, 9 May 2007 23:41:10 +0000
Subject: Add to an XXX comment.

---
 Lib/io.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/io.py b/Lib/io.py
index 4ac4e45..fdf1299 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -601,7 +601,8 @@ class StringIO(_MemoryIOMixin):
     # XXX This doesn't work; _MemoryIOMixin's write() and truncate()
     # methods assume the buffer is mutable.  Simply redefining those
     # to use slice concatenation will make it awfully slow (in fact,
-    # quadratic in the number of write() calls).
+    # quadratic in the number of write() calls).  Also, there are no
+    # readline() and readlines() methods.  Etc., etc.
 
     def __init__(self, inital_string=None):
         buffer = ""
-- 
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