merge
diff --git a/Doc/howto/descriptor.rst b/Doc/howto/descriptor.rst
index f793562..7828188 100644
--- a/Doc/howto/descriptor.rst
+++ b/Doc/howto/descriptor.rst
@@ -124,7 +124,7 @@
 The object returned by ``super()`` also has a custom :meth:`__getattribute__`
 method for invoking descriptors.  The call ``super(B, obj).m()`` searches
 ``obj.__class__.__mro__`` for the base class ``A`` immediately following ``B``
-and then returns ``A.__dict__['m'].__get__(obj, A)``.  If not a descriptor,
+and then returns ``A.__dict__['m'].__get__(obj, B)``.  If not a descriptor,
 ``m`` is returned unchanged.  If not in the dictionary, ``m`` reverts to a
 search using :meth:`object.__getattribute__`.
 
diff --git a/Doc/library/aifc.rst b/Doc/library/aifc.rst
index 1265423..de4144c 100644
--- a/Doc/library/aifc.rst
+++ b/Doc/library/aifc.rst
@@ -30,8 +30,8 @@
 sampled.  The number of channels indicate if the audio is mono, stereo, or
 quadro.  Each frame consists of one sample per channel.  The sample size is the
 size in bytes of each sample.  Thus a frame consists of
-*nchannels*\**samplesize* bytes, and a second's worth of audio consists of
-*nchannels*\**samplesize*\**framerate* bytes.
+*nchannels*\*\ *samplesize* bytes, and a second's worth of audio consists of
+*nchannels*\*\ *samplesize*\*\ *framerate* bytes.
 
 For example, CD quality audio has a sample size of two bytes (16 bits), uses two
 channels (stereo) and has a frame rate of 44,100 frames/second.  This gives a
diff --git a/Doc/library/zlib.rst b/Doc/library/zlib.rst
index a3a27c5..192bd4d 100644
--- a/Doc/library/zlib.rst
+++ b/Doc/library/zlib.rst
@@ -68,7 +68,7 @@
    Raises the :exc:`error` exception if any error occurs.
 
 
-.. function:: compressobj([level])
+.. function:: compressobj([level[, method[, wbits[, memlevel[, strategy]]]]])
 
    Returns a compression object, to be used for compressing data streams that won't
    fit into memory at once.  *level* is an integer from ``0`` to ``9`` controlling
@@ -76,6 +76,21 @@
    ``9`` is slowest and produces the most.  ``0`` is no compression.  The default
    value is ``6``.
 
+   *method* is the compression algorithm. Currently, the only supported value is
+   ``DEFLATED``.
+
+   *wbits* is the base two logarithm of the size of the window buffer. This
+   should be an integer from ``8`` to ``15``. Higher values give better
+   compression, but use more memory. The default is 15.
+
+   *memlevel* controls the amount of memory used for internal compression state.
+   Valid values range from ``1`` to ``9``. Higher values using more memory,
+   but are faster and produce smaller output. The default is 8.
+
+   *strategy* is used to tune the compression algorithm. Possible values are
+   ``Z_DEFAULT_STRATEGY``, ``Z_FILTERED``, and ``Z_HUFFMAN_ONLY``. The default
+   is ``Z_DEFAULT_STRATEGY``.
+
 
 .. function:: crc32(data[, value])
 
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 0e8e3dd..cda781a 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -857,7 +857,7 @@
                 try:
                     if (isinstance(msg, unicode) and
                         getattr(stream, 'encoding', None)):
-                        ufs = fs.decode(stream.encoding)
+                        ufs = u'%s\n'
                         try:
                             stream.write(ufs % msg)
                         except UnicodeEncodeError:
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index 0ccf818..c9a2515 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -611,6 +611,35 @@
             ]
         )
 
+    def test_errors(self):
+        tests = [
+            ('a\xffb', u'a\ufffdb'),
+            ('a+IK', u'a\ufffd'),
+            ('a+IK-b', u'a\ufffdb'),
+            ('a+IK,b', u'a\ufffdb'),
+            ('a+IKx', u'a\u20ac\ufffd'),
+            ('a+IKx-b', u'a\u20ac\ufffdb'),
+            ('a+IKwgr', u'a\u20ac\ufffd'),
+            ('a+IKwgr-b', u'a\u20ac\ufffdb'),
+            ('a+IKwgr,', u'a\u20ac\ufffd'),
+            ('a+IKwgr,-b', u'a\u20ac\ufffd-b'),
+            ('a+IKwgrB', u'a\u20ac\u20ac\ufffd'),
+            ('a+IKwgrB-b', u'a\u20ac\u20ac\ufffdb'),
+            ('a+/,+IKw-b', u'a\ufffd\u20acb'),
+            ('a+//,+IKw-b', u'a\ufffd\u20acb'),
+            ('a+///,+IKw-b', u'a\uffff\ufffd\u20acb'),
+            ('a+////,+IKw-b', u'a\uffff\ufffd\u20acb'),
+        ]
+        for raw, expected in tests:
+            self.assertRaises(UnicodeDecodeError, codecs.utf_7_decode,
+                              raw, 'strict', True)
+            self.assertEqual(raw.decode('utf-7', 'replace'), expected)
+
+    def test_nonbmp(self):
+        self.assertEqual(u'\U000104A0'.encode(self.encoding), '+2AHcoA-')
+        self.assertEqual(u'\ud801\udca0'.encode(self.encoding), '+2AHcoA-')
+        self.assertEqual('+2AHcoA-'.decode(self.encoding), u'\U000104A0')
+
 class UTF16ExTest(unittest.TestCase):
 
     def test_errors(self):
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 31bc48e..0c10580 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -1060,6 +1060,24 @@
         #Compare against what the data should be when encoded in CP-1251
         self.assertEqual(s, '\xe4\xee \xf1\xe2\xe8\xe4\xe0\xed\xe8\xff\n')
 
+    def test_encoding_utf16_unicode(self):
+        # Issue #19267
+        log = logging.getLogger("test")
+        message = u'b\u0142\u0105d'
+        writer_class = codecs.getwriter('utf-16-le')
+        writer_class.encoding = 'utf-16-le'
+        stream = cStringIO.StringIO()
+        writer = writer_class(stream, 'strict')
+        handler = logging.StreamHandler(writer)
+        log.addHandler(handler)
+        try:
+            log.warning(message)
+        finally:
+            log.removeHandler(handler)
+            handler.close()
+        s = stream.getvalue()
+        self.assertEqual(s, 'b\x00B\x01\x05\x01d\x00\n\x00')
+
 
 class WarningsTest(BaseTest):
 
diff --git a/Lib/test/test_wave.py b/Lib/test/test_wave.py
index b7ba891..5b48cef 100644
--- a/Lib/test/test_wave.py
+++ b/Lib/test/test_wave.py
@@ -1,6 +1,7 @@
 from test.test_support import TESTFN, run_unittest
 import unittest
 from test import audiotests
+import sys
 import wave
 
 
@@ -44,9 +45,13 @@
       EEDF1755 82061666 7FFF1446 80001296 499C0EB2 52BA0DB9 EFB70F5C CE400FBC \
       E4B50CEB 63440A5A 08CA0A1F 2BBA0B0B 51460E47 8BCB113C B6F50EEA 44150A59 \
       """)
-    frames = audiotests.byteswap2(frames)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap2(frames)
 
 
+@unittest.skipIf(sys.byteorder == 'big',
+                 '24-bit wave files are supported only on little-endian '
+                 'platforms')
 class WavePCM24Test(audiotests.AudioWriteTests,
         audiotests.AudioTestsWithSourceFile,
         unittest.TestCase):
@@ -73,7 +78,8 @@
       E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
       51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
       """)
-    frames = audiotests.byteswap3(frames)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap3(frames)
 
 
 class WavePCM32Test(audiotests.AudioWriteTests,
@@ -102,7 +108,8 @@
       E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
       51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
       """)
-    frames = audiotests.byteswap4(frames)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap4(frames)
 
 
 def test_main():
diff --git a/Lib/wave.py b/Lib/wave.py
index 04a1a6d..d6eef78 100644
--- a/Lib/wave.py
+++ b/Lib/wave.py
@@ -80,7 +80,7 @@
 
 WAVE_FORMAT_PCM = 0x0001
 
-_array_fmts = None, 'b', 'h', None, 'l'
+_array_fmts = None, 'b', 'h', None, 'i'
 
 # Determine endian-ness
 import struct
@@ -238,6 +238,7 @@
             import array
             chunk = self._data_chunk
             data = array.array(_array_fmts[self._sampwidth])
+            assert data.itemsize == self._sampwidth
             nitems = nframes * self._nchannels
             if nitems * self._sampwidth > chunk.chunksize - chunk.size_read:
                 nitems = (chunk.chunksize - chunk.size_read) / self._sampwidth
@@ -421,6 +422,7 @@
         if self._sampwidth > 1 and big_endian:
             import array
             data = array.array(_array_fmts[self._sampwidth], data)
+            assert data.itemsize == self._sampwidth
             data.byteswap()
             data.tofile(self._file)
             self._datawritten = self._datawritten + len(data) * self._sampwidth
diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index ef822d5..a9d4091 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -155,6 +155,7 @@
         '10.6': ('gcc-4.2', 'g++-4.2'),
         '10.7': ('clang', 'clang++'),
         '10.8': ('clang', 'clang++'),
+        '10.9': ('clang', 'clang++'),
 }
 
 CC, CXX = target_cc_map[DEPTARGET]
diff --git a/Misc/NEWS b/Misc/NEWS
index 816bd4d..b0b4f10 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,8 @@
 Core and Builtins
 -----------------
 
+- Issue #19279: UTF-7 decoder no more produces illegal unicode strings.
+
 - Issue #18739: Fix an inconsistency between math.log(n) and math.log(long(n));
   the results could be off from one another by a ulp or two.
 
@@ -35,6 +37,8 @@
 Library
 -------
 
+- Issue #19276: Fixed the wave module on 64-bit big-endian platforms.
+
 - Issue #18458: Prevent crashes with newer versions of libedit.  Its readline
   emulation has changed from 0-based indexing to 1-based like gnu readline.
   Original patch by Ronald Oussoren.
@@ -228,7 +232,6 @@
   existing directory caused mkstemp and related APIs to fail instead of
   retrying. Report and fix by Vlad Shcherbina.
 
-
 Tools/Demos
 -----------
 
@@ -370,6 +373,9 @@
 
 - Issue #17926: Fix dbm.__contains__ on 64-bit big-endian machines.
 
+- Issue #19267: Fix support of multibyte encoding (ex: UTF-16) in the logging
+  module.
+
 - Issue #17918: When using SSLSocket.accept(), if the SSL handshake failed
   on the new socket, the socket would linger indefinitely.  Thanks to
   Peter Saveliev for reporting.
@@ -3296,7 +3302,6 @@
 
 - Issue #7567: Don't call `setupterm' twice.
 
-
 Tools/Demos
 -----------
 
@@ -4534,7 +4539,6 @@
 - Issue #7466: Segmentation fault when the garbage collector is called in the
   middle of populating a tuple.  Patch by Florent Xicluna.
 
-
 Library
 -------
 
@@ -7008,7 +7012,6 @@
 
 - Issue #3215: Build sqlite3 as sqlite3.dll, not sqlite3.pyd.
 
-
 Documentation
 -------------
 
@@ -7074,7 +7077,6 @@
   only available if asserts are left in the code, in cases where they
   can't be triggered from Python code.
 
-
 Extension Modules
 -----------------
 - Issue #1179: [CVE-2007-4965] Integer overflow in imageop module.
@@ -7382,7 +7384,6 @@
 
   NOTE: 64-bit and 4-way builds are only suppported on Mac OS X 10.5 (or later).
 
-
 C API
 -----
 
@@ -8258,7 +8259,6 @@
   threading.enumerate() list after the join() for a brief period until
   it actually exited.
 
-
 Library
 -------
 
@@ -9351,7 +9351,6 @@
   platform.python_implementation(); this will now be saved in the
   benchmark pickle.
 
-
 Documentation
 -------------
 
@@ -9402,7 +9401,6 @@
   applied to a newly created list object and add notes that this isn't
   a good idea.
 
-
 Tools/Demos
 -----------
 
@@ -9415,7 +9413,6 @@
 - Bug #1546372: Fixed small bugglet in pybench that caused a missing
   file not to get reported properly.
 
-
 Build
 -----
 
@@ -9498,7 +9495,6 @@
   pybuildbot.identify to include some information about the build
   environment.
 
-
 C API
 -----
 
@@ -9561,7 +9557,6 @@
 - Bug #1542693: remove semi-colon at end of PyImport_ImportModuleEx
   macro so it can be used as an expression.
 
-
 Windows
 -------
 
@@ -9575,7 +9570,6 @@
 
 - Bug #1216: Restore support for Visual Studio 2002.
 
-
 Mac
 ---
 
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 866eb9b..5ce9c88 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1671,6 +1671,7 @@
                                        (base64buffer >> (base64bits-16));
                     base64bits -= 16;
                     base64buffer &= (1 << base64bits) - 1; /* clear high bits */
+                    assert(outCh <= 0xffff);
                     if (surrogate) {
                         /* expecting a second surrogate */
                         if (outCh >= 0xDC00 && outCh <= 0xDFFF) {
@@ -1737,6 +1738,7 @@
                 inShift = 1;
                 shiftOutStart = p;
                 base64bits = 0;
+                base64buffer = 0;
             }
         }
         else if (DECODE_DIRECT(ch)) { /* character decodes as itself */
diff --git a/setup.py b/setup.py
index bb7f295..de4392f 100644
--- a/setup.py
+++ b/setup.py
@@ -1389,6 +1389,8 @@
             zlib_h = zlib_inc[0] + '/zlib.h'
             version = '"0.0.0"'
             version_req = '"1.1.3"'
+            if host_platform == 'darwin' and is_macosx_sdk_path(zlib_h):
+                zlib_h = os.path.join(macosx_sdk_root(), zlib_h[1:])
             fp = open(zlib_h)
             while 1:
                 line = fp.readline()