diff --git a/Doc/lib/libctypes.tex b/Doc/lib/libctypes.tex
index f19507a..346863d 100755
--- a/Doc/lib/libctypes.tex
+++ b/Doc/lib/libctypes.tex
@@ -437,8 +437,8 @@
 expecting pointers to mutable memory. If you need mutable memory
 blocks, ctypes has a \code{create{\_}string{\_}buffer} function which creates
 these in various ways.  The current memory block contents can be
-accessed (or changed) with the \code{raw} property, if you want to access
-it as NUL terminated string, use the \code{string} property:
+accessed (or changed) with the \code{raw} property; if you want to access
+it as NUL terminated string, use the \code{value} property:
 \begin{verbatim}
 >>> from ctypes import *
 >>> p = create_string_buffer(3)      # create a 3 byte buffer, initialized to NUL bytes
diff --git a/Doc/lib/libdecimal.tex b/Doc/lib/libdecimal.tex
index a0a257e..8c665da 100644
--- a/Doc/lib/libdecimal.tex
+++ b/Doc/lib/libdecimal.tex
@@ -845,7 +845,7 @@
 The following table summarizes the hierarchy of signals:
 
 \begin{verbatim}    
-    exceptions.ArithmeticError(exceptions.StandardError)
+    exceptions.ArithmeticError(exceptions.Exception)
         DecimalException
             Clamped
             DivisionByZero(DecimalException, exceptions.ZeroDivisionError)
diff --git a/Doc/lib/libexcs.tex b/Doc/lib/libexcs.tex
index 631c798..298f04d 100644
--- a/Doc/lib/libexcs.tex
+++ b/Doc/lib/libexcs.tex
@@ -64,13 +64,6 @@
 \versionchanged[Changed to inherit from \exception{BaseException}]{2.5}
 \end{excdesc}
 
-\begin{excdesc}{StandardError}
-The base class for all built-in exceptions except
-\exception{StopIteration}, \exception{GeneratorExit},
-\exception{KeyboardInterrupt} and \exception{SystemExit}.
-\exception{StandardError} itself is derived from \exception{Exception}.
-\end{excdesc}
-
 \begin{excdesc}{ArithmeticError}
 The base class for those built-in exceptions that are raised for
 various arithmetic errors: \exception{OverflowError},
@@ -143,9 +136,9 @@
 
 \begin{excdesc}{GeneratorExit}
   Raise when a generator's \method{close()} method is called.
-  It directly inherits from \exception{Exception} instead of
-  \exception{StandardError} since it is technically not an error.
   \versionadded{2.5}
+  \versionchanged[Changed to inherit from Exception instead of
+  StandardError]{3.0}
 \end{excdesc}
 
 \begin{excdesc}{IOError}
@@ -257,10 +250,9 @@
 \begin{excdesc}{StopIteration}
   Raised by builtin \function{next()} and an iterator's \method{__next__()}
   method to signal that there are no further values.
-  This is derived from \exception{Exception} rather than
-  \exception{StandardError}, since this is not considered an error in
-  its normal application.
   \versionadded{2.2}
+  \versionchanged[Changed to inherit from Exception instead of
+  StandardError]{3.0}
 \end{excdesc}
 
 
@@ -304,7 +296,7 @@
   Instances have an attribute \member{code} which is set to the
   proposed exit status or error message (defaulting to \code{None}).
   Also, this exception derives directly from \exception{BaseException} and
-  not \exception{StandardError}, since it is not technically an error.
+  not \exception{Exception}, since it is not technically an error.
 
   A call to \function{sys.exit()} is translated into an exception so that
   clean-up handlers (\keyword{finally} clauses of \keyword{try} statements)
@@ -315,7 +307,7 @@
   \function{fork()}).
 
   The exception inherits from \exception{BaseException} instead of
-  \exception{StandardError} or \exception{Exception} so that it is not
+  \exception{Exception} so that it is not
   accidentally caught by code that catches \exception{Exception}.  This allows
   the exception to properly propagate up and cause the interpreter to exit.
   \versionchanged[Changed to inherit from \exception{BaseException}]{2.5}
diff --git a/Doc/lib/libftplib.tex b/Doc/lib/libftplib.tex
index 98d7e80..1ce5f9b 100644
--- a/Doc/lib/libftplib.tex
+++ b/Doc/lib/libftplib.tex
@@ -46,6 +46,7 @@
 The optional \var{timeout} parameter specifies a timeout in seconds for the
 connection attempt (if is not specified, or passed as None, the global
 default timeout setting will be used).
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 \begin{datadesc}{all_errors}
@@ -117,6 +118,8 @@
 object timeout is used (the timeout that you passed when instantiating the
 class); if the object timeout is also None, the global default timeout 
 setting will be used.
+
+\versionchanged[\var{timeout} was added]{2.6}
 \end{methoddesc}
 
 \begin{methoddesc}[FTP]{getwelcome}{}
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index 4f49e33..3cc06c8 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -104,6 +104,14 @@
   \versionadded{2.3}
 \end{funcdesc}
 
+\begin{funcdesc}{bin}{x}
+  Convert an integer number to a binary string.
+  The result is a valid Python expression.  If \var{x} is not a Python
+  \class{int} object, it has to define an \method{__index__} method
+  that returns an integer.
+  \versionadded{3.0}
+\end{funcdesc}
+
 \begin{funcdesc}{bool}{\optional{x}}
   Convert a value to a Boolean, using the standard truth testing
   procedure.  If \var{x} is false or omitted, this returns
@@ -540,8 +548,10 @@
 \end{funcdesc}
 
 \begin{funcdesc}{hex}{x}
-  Convert an integer number (of any size) to a hexadecimal string.
-  The result is a valid Python expression.
+  Convert an integer number to a hexadecimal string.
+  The result is a valid Python expression.  If \var{x} is not a Python
+  \class{int} object, it has to define an \method{__index__} method
+  that returns an integer.
   \versionchanged[Formerly only returned an unsigned literal]{2.4}
 \end{funcdesc}
 
@@ -559,8 +569,7 @@
   representable as a Python integer, possibly embedded in whitespace.
   The \var{radix} parameter gives the base for the
   conversion and may be any integer in the range [2, 36], or zero.  If
-  \var{radix} is zero, the proper radix is guessed based on the
-  contents of string; the interpretation is the same as for integer
+  \var{radix} is zero, the interpretation is the same as for integer
   literals.  If \var{radix} is specified and \var{x} is not a string,
   \exception{TypeError} is raised.
   Otherwise, the argument may be a plain or
@@ -707,8 +716,10 @@
 \end{funcdesc}
 
 \begin{funcdesc}{oct}{x}
-  Convert an integer number (of any size) to an octal string.  The
-  result is a valid Python expression.
+  Convert an integer number to an octal string.  The
+  result is a valid Python expression.  If \var{x} is not a Python
+  \class{int} object, it has to define an \method{__index__} method
+  that returns an integer.
   \versionchanged[Formerly only returned an unsigned literal]{2.4}
 \end{funcdesc}
 
diff --git a/Doc/lib/libhttplib.tex b/Doc/lib/libhttplib.tex
index 7c9449d..37a442d 100644
--- a/Doc/lib/libhttplib.tex
+++ b/Doc/lib/libhttplib.tex
@@ -49,6 +49,7 @@
 >>> h3 = httplib.HTTPConnection('www.cwi.nl', 80, timeout=10)
 \end{verbatim}
 \versionadded{2.0}
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 \begin{classdesc}{HTTPSConnection}{host\optional{, port\optional{,
@@ -63,6 +64,7 @@
 \warning{This does not do any certificate verification!}
 
 \versionadded{2.0}
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 \begin{classdesc}{HTTPResponse}{sock\optional{, debuglevel=0}\optional{, strict=0}}
diff --git a/Doc/lib/libpoplib.tex b/Doc/lib/libpoplib.tex
index 7b2c4a1..9ca5bbd 100644
--- a/Doc/lib/libpoplib.tex
+++ b/Doc/lib/libpoplib.tex
@@ -35,6 +35,8 @@
 The optional \var{timeout} parameter specifies a timeout in seconds for the
 connection attempt (if not specified, or passed as None, the global default
 timeout setting will be used).
+
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 \begin{classdesc}{POP3_SSL}{host\optional{, port\optional{, keyfile\optional{, certfile}}}}
diff --git a/Doc/lib/libsmtplib.tex b/Doc/lib/libsmtplib.tex
index 26293d6..1c034e7 100644
--- a/Doc/lib/libsmtplib.tex
+++ b/Doc/lib/libsmtplib.tex
@@ -29,6 +29,8 @@
 For normal use, you should only require the initialization/connect,
 \method{sendmail()}, and \method{quit()} methods.  An example is
 included below.
+
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 \begin{classdesc}{SMTP_SSL}{\optional{host\optional{, port\optional{,
@@ -45,6 +47,8 @@
 The optional \var{timeout} parameter specifies a timeout in seconds for the
 connection attempt (if not specified, or passed as None, the global
 default timeout setting will be used).
+
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 \begin{classdesc}{LMTP}{\optional{host\optional{, port\optional{,
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index ff0fb87..e3fce23 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -177,6 +177,7 @@
 application-level code.  Passing the optional \var{timeout} parameter
 will set the timeout on the socket instance (if it is not given or
 \code{None}, the global default timeout setting is used).
+\versionadded{2.6}
 \end{funcdesc}
 
 \begin{funcdesc}{getaddrinfo}{host, port\optional{, family\optional{,
diff --git a/Doc/lib/libtelnetlib.tex b/Doc/lib/libtelnetlib.tex
index 269ee9b..853788f 100644
--- a/Doc/lib/libtelnetlib.tex
+++ b/Doc/lib/libtelnetlib.tex
@@ -40,6 +40,7 @@
 raise \exception{EOFError} when the end of the connection is read,
 because they can return an empty string for other reasons.  See the
 individual descriptions below.
+\versionchanged[\var{timeout} was added]{2.6}
 \end{classdesc}
 
 
@@ -123,6 +124,7 @@
 timeout setting will be used).
 
 Do not try to reopen an already connected instance.
+\versionchanged[\var{timeout} was added]{2.6}
 \end{methoddesc}
 
 \begin{methoddesc}[Telnet]{msg}{msg\optional{, *args}}
diff --git a/Doc/lib/libthreading.tex b/Doc/lib/libthreading.tex
index 522ea2f..19c496e 100644
--- a/Doc/lib/libthreading.tex
+++ b/Doc/lib/libthreading.tex
@@ -174,11 +174,14 @@
 unlocked, then the \method{acquire()} call resets it to locked and
 returns.  The \method{release()} method should only be called in the
 locked state; it changes the state to unlocked and returns
-immediately.  When more than one thread is blocked in
-\method{acquire()} waiting for the state to turn to unlocked, only one
-thread proceeds when a \method{release()} call resets the state to
-unlocked; which one of the waiting threads proceeds is not defined,
-and may vary across implementations.
+immediately. If an attempt is made to release an unlocked lock, a
+\exception{RuntimeError} will be raised.
+
+When more than one thread is blocked in \method{acquire()} waiting for
+the state to turn to unlocked, only one thread proceeds when a
+\method{release()} call resets the state to unlocked; which one of the
+waiting threads proceeds is not defined, and may vary across
+implementations.
 
 All methods are executed atomically.
 
@@ -257,8 +260,9 @@
 decrement the recursion level is still nonzero, the lock remains
 locked and owned by the calling thread.
 
-Only call this method when the calling thread owns the lock.
-Do not call this method when the lock is unlocked.
+Only call this method when the calling thread owns the lock. A
+\exception{RuntimeError} is raised if this method is called when the
+lock is unlocked.
 
 There is no return value.
 \end{methoddesc}
@@ -275,7 +279,8 @@
 methods that call the corresponding methods of the associated lock.
 It also has a \method{wait()} method, and \method{notify()} and
 \method{notifyAll()} methods.  These three must only be called when
-the calling thread has acquired the lock.
+the calling thread has acquired the lock, otherwise a
+\exception{RuntimeError} is raised.
 
 The \method{wait()} method releases the lock, and then blocks until it
 is awakened by a \method{notify()} or \method{notifyAll()} call for
@@ -343,9 +348,9 @@
 \end{methoddesc}
 
 \begin{methoddesc}{wait}{\optional{timeout}}
-Wait until notified or until a timeout occurs.
-This must only be called when the calling thread has acquired the
-lock.
+Wait until notified or until a timeout occurs. If the calling thread
+has not acquired the lock when this method is called, a
+\exception{RuntimeError} is raised.
 
 This method releases the underlying lock, and then blocks until it is
 awakened by a \method{notify()} or \method{notifyAll()} call for the
@@ -367,9 +372,10 @@
 \end{methoddesc}
 
 \begin{methoddesc}{notify}{}
-Wake up a thread waiting on this condition, if any.
-This must only be called when the calling thread has acquired the
-lock.
+Wake up a thread waiting on this condition, if any. Wait until
+notified or until a timeout occurs. If the calling thread has not
+acquired the lock when this method is called, a
+\exception{RuntimeError} is raised.
 
 This method wakes up one of the threads waiting for the condition
 variable, if any are waiting; it is a no-op if no threads are waiting.
@@ -386,7 +392,9 @@
 
 \begin{methoddesc}{notifyAll}{}
 Wake up all threads waiting on this condition.  This method acts like
-\method{notify()}, but wakes up all waiting threads instead of one.
+\method{notify()}, but wakes up all waiting threads instead of one. If
+the calling thread has not acquired the lock when this method is
+called, a \exception{RuntimeError} is raised.
 \end{methoddesc}
 
 
@@ -404,8 +412,9 @@
 calls \method{release()}.
 
 \begin{classdesc}{Semaphore}{\optional{value}}
-The optional argument gives the initial value for the internal
-counter; it defaults to \code{1}.
+The optional argument gives the initial \var{value} for the internal
+counter; it defaults to \code{1}. If the \var{value} given is less
+than 0, \exception{ValueError} is raised.
 \end{classdesc}
 
 \begin{methoddesc}{acquire}{\optional{blocking}}
@@ -586,9 +595,12 @@
 \begin{methoddesc}{start}{}
 Start the thread's activity.
 
-This must be called at most once per thread object.  It
-arranges for the object's \method{run()} method to be invoked in a
-separate thread of control.
+It must be called at most once per thread object.  It arranges for the
+object's \method{run()} method to be invoked in a separate thread of
+control.
+
+This method will raise a \exception{RuntimeException} if called more
+than once on the same thread object.
 \end{methoddesc}
 
 \begin{methoddesc}{run}{}
@@ -618,11 +630,10 @@
 
 A thread can be \method{join()}ed many times.
 
-A thread cannot join itself because this would cause a
-deadlock.
-
-It is an error to attempt to \method{join()} a thread before it has
-been started.
+\method{join()} may throw a \exception{RuntimeError}, if an attempt is
+made to join the current thread as that would cause a deadlock. It is
+also an error to \method{join()} a thread before it has been started
+and attempts to do so raises same exception.
 \end{methoddesc}
 
 \begin{methoddesc}{getName}{}
@@ -651,7 +662,8 @@
 
 \begin{methoddesc}{setDaemon}{daemonic}
 Set the thread's daemon flag to the Boolean value \var{daemonic}.
-This must be called before \method{start()} is called.
+This must be called before \method{start()} is called, otherwise
+\exception{RuntimeError} is raised.
 
 The initial value is inherited from the creating thread.
 
diff --git a/Doc/lib/liburllib2.tex b/Doc/lib/liburllib2.tex
index 0df7385..9d2c382 100644
--- a/Doc/lib/liburllib2.tex
+++ b/Doc/lib/liburllib2.tex
@@ -14,7 +14,7 @@
 
 The \module{urllib2} module defines the following functions:
 
-\begin{funcdesc}{urlopen}{url\optional{, data}}
+\begin{funcdesc}{urlopen}{url\optional{, data}\optional{, timeout}}
 Open the URL \var{url}, which can be either a string or a \class{Request}
 object.
 
@@ -27,6 +27,11 @@
 \function{urllib.urlencode()} function takes a mapping or sequence of
 2-tuples and returns a string in this format.
 
+The optional \var{timeout} parameter specifies a timeout in seconds for the
+connection attempt (if not specified, or passed as None, the global default
+timeout setting will be used). This actually only work for HTTP, HTTPS, FTP
+and FTPS connections.
+
 This function returns a file-like object with two additional methods:
 
 \begin{itemize}
@@ -40,6 +45,8 @@
 Note that \code{None} may be returned if no handler handles the
 request (though the default installed global \class{OpenerDirector}
 uses \class{UnknownHandler} to ensure this never happens).
+
+\versionchanged[\var{timeout} was added]{2.6}
 \end{funcdesc}
 
 \begin{funcdesc}{install_opener}{opener}
@@ -351,12 +358,18 @@
 \end{itemize}
 \end{methoddesc}
 
-\begin{methoddesc}[OpenerDirector]{open}{url\optional{, data}}
+\begin{methoddesc}[OpenerDirector]{open}{url\optional{, data}{\optional{, timeout}}}
 Open the given \var{url} (which can be a request object or a string),
 optionally passing the given \var{data}.
 Arguments, return values and exceptions raised are the same as those
 of \function{urlopen()} (which simply calls the \method{open()} method
-on the currently installed global \class{OpenerDirector}).
+on the currently installed global \class{OpenerDirector}).  The optional
+\var{timeout} parameter specifies a timeout in seconds for the connection 
+attempt (if not specified, or passed as None, the global default timeout 
+setting will be used; this actually only work for HTTP, HTTPS, FTP
+and FTPS connections).
+
+\versionchanged[\var{timeout} was added]{2.6}
 \end{methoddesc}
 
 \begin{methoddesc}[OpenerDirector]{error}{proto\optional{,