diff --git a/.hgtags b/.hgtags
index 9ccde1e10e6..7ac43b08043 100644
--- a/.hgtags
+++ b/.hgtags
@@ -77,6 +77,7 @@ d18e9d71f369d8211f6ac87252c6d3211f9bd09f v3.1.3rc1
 a4f75773c0060cee38b0bb651a7aba6f56b0e996 v3.1.3
 32fcb9e94985cb19ce37ba9543f091c0dbe9d7dd v3.1.4rc1
 c918ec9f3a76d6afedfbb5d455004de880443a3d v3.1.4
+ee26aca3219cf4bb0b93352e83edcc9cb28c7802 v3.1.5rc1
 b37b7834757492d009b99cf0ca4d42d2153d7fac v3.2a1
 56d4373cecb73c8b45126ba7b045b3c7b3f94b0b v3.2a2
 da012d9a2c23d144e399d2e01a55b8a83ad94573 v3.2a3
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 427e4a06273..ee88379edba 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -240,7 +240,7 @@ default values. The arguments that are most commonly needed are:
    When *stdout* or *stderr* are pipes and *universal_newlines* is
    :const:`True` then the output data is assumed to be encoded as UTF-8 and
    will automatically be decoded to text. All line endings will be converted
-   to ``'\n'`` as described for the universal newlines `'U'`` mode argument
+   to ``'\n'`` as described for the universal newlines ``'U'`` mode argument
    to :func:`open`.
 
    If *shell* is :const:`True`, the specified command will be executed through
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 3af43543c40..da87be74ed6 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -195,7 +195,7 @@ always available.
    be set at build time with the ``--exec-prefix`` argument to the
    :program:`configure` script.  Specifically, all configuration files (e.g. the
    :file:`pyconfig.h` header file) are installed in the directory
-   :file:`{exec_prefix}/lib/python{X.Y}/config', and shared library modules are
+   :file:`{exec_prefix}/lib/python{X.Y}/config`, and shared library modules are
    installed in :file:`{exec_prefix}/lib/python{X.Y}/lib-dynload`, where *X.Y*
    is the version number of Python, for example ``3.2``.
 
@@ -756,6 +756,7 @@ always available.
       always use the ``startswith`` idiom presented above.
 
    .. seealso::
+
       :attr:`os.name` has a coarser granularity.  :func:`os.uname` gives
       system-dependent version information.
 
@@ -771,7 +772,7 @@ always available.
    argument to the :program:`configure` script.  The main collection of Python
    library modules is installed in the directory :file:`{prefix}/lib/python{X.Y}``
    while the platform independent header files (all except :file:`pyconfig.h`) are
-   stored in :file:`{prefix}/include/python{X.Y}``, where *X.Y* is the version
+   stored in :file:`{prefix}/include/python{X.Y}`, where *X.Y* is the version
    number of Python, for example ``3.2``.
 
 
diff --git a/Doc/library/time.rst b/Doc/library/time.rst
index 0412e157ff8..817f5a510cb 100644
--- a/Doc/library/time.rst
+++ b/Doc/library/time.rst
@@ -228,8 +228,9 @@ The module defines the following functions and data items:
 
 .. function:: monotonic()
 
-   Monotonic clock.  The reference point of the returned value is undefined so
-   only the difference of consecutive calls is valid.
+   Monotonic non-decreasing clock. The clock is not related to the system clock
+   and cannot go backward.  The reference point of the returned
+   value is undefined so only the difference of consecutive calls is valid.
 
    .. versionadded:: 3.3
 
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 8fe5bd99b2c..e79018f5be2 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -16,9 +16,9 @@
 
 """
 Logging package for Python. Based on PEP 282 and comments thereto in
-comp.lang.python, and influenced by Apache's log4j system.
+comp.lang.python.
 
-Copyright (C) 2001-2011 Vinay Sajip. All Rights Reserved.
+Copyright (C) 2001-2012 Vinay Sajip. All Rights Reserved.
 
 To use, simply 'import logging' and log away!
 """
@@ -914,8 +914,12 @@ class StreamHandler(Handler):
         """
         Flushes the stream.
         """
-        if self.stream and hasattr(self.stream, "flush"):
-            self.stream.flush()
+        self.acquire()
+        try:
+            if self.stream and hasattr(self.stream, "flush"):
+                self.stream.flush()
+        finally:
+            self.release()
 
     def emit(self, record):
         """
@@ -964,12 +968,16 @@ class FileHandler(StreamHandler):
         """
         Closes the stream.
         """
-        if self.stream:
-            self.flush()
-            if hasattr(self.stream, "close"):
-                self.stream.close()
-            StreamHandler.close(self)
-            self.stream = None
+        self.acquire()
+        try:
+            if self.stream:
+                self.flush()
+                if hasattr(self.stream, "close"):
+                    self.stream.close()
+                StreamHandler.close(self)
+                self.stream = None
+        finally:
+            self.release()
 
     def _open(self):
         """
diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index 822b4efc7c4..ee0096a8cb7 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -1,4 +1,4 @@
-# Copyright 2001-2010 by Vinay Sajip. All Rights Reserved.
+# Copyright 2001-2012 by Vinay Sajip. All Rights Reserved.
 #
 # Permission to use, copy, modify, and distribute this software and its
 # documentation for any purpose and without fee is hereby granted,
@@ -16,10 +16,9 @@
 
 """
 Additional handlers for the logging package for Python. The core package is
-based on PEP 282 and comments thereto in comp.lang.python, and influenced by
-Apache's log4j system.
+based on PEP 282 and comments thereto in comp.lang.python.
 
-Copyright (C) 2001-2010 Vinay Sajip. All Rights Reserved.
+Copyright (C) 2001-2012 Vinay Sajip. All Rights Reserved.
 
 To use, simply 'import logging.handlers' and log away!
 """
@@ -594,10 +593,14 @@ class SocketHandler(logging.Handler):
         """
         Closes the socket.
         """
-        if self.sock:
-            self.sock.close()
-            self.sock = None
-        logging.Handler.close(self)
+        self.acquire()
+        try:
+            if self.sock:
+                self.sock.close()
+                self.sock = None
+            logging.Handler.close(self)
+        finally:
+            self.release()
 
 class DatagramHandler(SocketHandler):
     """
@@ -792,8 +795,12 @@ class SysLogHandler(logging.Handler):
         """
         Closes the socket.
         """
-        self.socket.close()
-        logging.Handler.close(self)
+        self.acquire()
+        try:
+            self.socket.close()
+            logging.Handler.close(self)
+        finally:
+            self.release()
 
     def mapPriority(self, levelName):
         """
@@ -1137,7 +1144,11 @@ class BufferingHandler(logging.Handler):
 
         This version just zaps the buffer to empty.
         """
-        self.buffer = []
+        self.acquire()
+        try:
+            self.buffer = []
+        finally:
+            self.release()
 
     def close(self):
         """
@@ -1187,18 +1198,26 @@ class MemoryHandler(BufferingHandler):
 
         The record buffer is also cleared by this operation.
         """
-        if self.target:
-            for record in self.buffer:
-                self.target.handle(record)
-            self.buffer = []
+        self.acquire()
+        try:
+            if self.target:
+                for record in self.buffer:
+                    self.target.handle(record)
+                self.buffer = []
+        finally:
+            self.release()
 
     def close(self):
         """
         Flush, set the target to None and lose the buffer.
         """
         self.flush()
-        self.target = None
-        BufferingHandler.close(self)
+        self.acquire()
+        try:
+            self.target = None
+            BufferingHandler.close(self)
+        finally:
+            self.release()
 
 
 class QueueHandler(logging.Handler):