Merged revisions 67326,67498,67531-67532,67538,67553-67554,67556-67557 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r67326 | benjamin.peterson | 2008-11-22 02:59:15 +0100 (Sat, 22 Nov 2008) | 1 line

  backport r67325: make FileIO.mode always contain 'b'
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  r67498 | raymond.hettinger | 2008-12-03 16:42:10 +0100 (Wed, 03 Dec 2008) | 1 line

  Backport r67478
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  r67531 | georg.brandl | 2008-12-04 19:54:05 +0100 (Thu, 04 Dec 2008) | 2 lines

  Add reference to enumerate() to indices example.
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  r67532 | georg.brandl | 2008-12-04 19:59:16 +0100 (Thu, 04 Dec 2008) | 2 lines

  Add another heapq example.
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  r67538 | georg.brandl | 2008-12-04 22:28:16 +0100 (Thu, 04 Dec 2008) | 2 lines

  Clarification to avoid confusing output with file descriptors.
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  r67553 | georg.brandl | 2008-12-05 08:49:49 +0100 (Fri, 05 Dec 2008) | 2 lines

  #4408: document regex.groups.
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  r67554 | georg.brandl | 2008-12-05 08:52:26 +0100 (Fri, 05 Dec 2008) | 2 lines

  #4409: fix asterisks looking like footnotes.
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  r67556 | georg.brandl | 2008-12-05 09:02:17 +0100 (Fri, 05 Dec 2008) | 2 lines

  #4441: improve doc for os.open() flags.
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  r67557 | georg.brandl | 2008-12-05 09:06:57 +0100 (Fri, 05 Dec 2008) | 2 lines

  Add an index entry for "subclassing immutable types".
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diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index c9bd38d..eb41d1f 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -1266,7 +1266,7 @@
 
     def test_attributes(self):
         f = io.open(test_support.TESTFN, "wb", buffering=0)
-        self.assertEquals(f.mode, "w")
+        self.assertEquals(f.mode, "wb")
         f.close()
 
         f = io.open(test_support.TESTFN, "U")
@@ -1274,18 +1274,18 @@
         self.assertEquals(f.buffer.name,     test_support.TESTFN)
         self.assertEquals(f.buffer.raw.name, test_support.TESTFN)
         self.assertEquals(f.mode,            "U")
-        self.assertEquals(f.buffer.mode,     "r")
-        self.assertEquals(f.buffer.raw.mode, "r")
+        self.assertEquals(f.buffer.mode,     "rb")
+        self.assertEquals(f.buffer.raw.mode, "rb")
         f.close()
 
         f = io.open(test_support.TESTFN, "w+")
         self.assertEquals(f.mode,            "w+")
-        self.assertEquals(f.buffer.mode,     "r+") # Does it really matter?
-        self.assertEquals(f.buffer.raw.mode, "r+")
+        self.assertEquals(f.buffer.mode,     "rb+") # Does it really matter?
+        self.assertEquals(f.buffer.raw.mode, "rb+")
 
         g = io.open(f.fileno(), "wb", closefd=False)
-        self.assertEquals(g.mode,     "w")
-        self.assertEquals(g.raw.mode, "w")
+        self.assertEquals(g.mode,     "wb")
+        self.assertEquals(g.raw.mode, "wb")
         self.assertEquals(g.name,     f.fileno())
         self.assertEquals(g.raw.name, f.fileno())
         f.close()