diff --git a/Doc/library/optparse.rst b/Doc/library/optparse.rst
index e6668b6..1b1b8ba 100644
--- a/Doc/library/optparse.rst
+++ b/Doc/library/optparse.rst
@@ -535,6 +535,35 @@
   default value.  If an option has no default value (or the default value is
   ``None``), ``%default`` expands to ``none``.
 
+When dealing with many options, it is convenient to group these
+options for better help output.  An :class:`OptionParser` can contain
+several option groups, each of which can contain several options.
+
+Continuing with the parser defined above, adding an
+:class:`OptionGroup` to a parser is easy::
+
+    group = OptionGroup(parser, "Dangerous Options",
+			"Caution: use these options at your own risk.  "
+			"It is believed that some of them bite.")
+    group.add_option("-g", action="store_true", help="Group option.")
+    parser.add_option_group(group)
+
+This would result in the following help output::
+
+    usage:  [options] arg1 arg2
+
+    options:
+      -h, --help           show this help message and exit
+      -v, --verbose        make lots of noise [default]
+      -q, --quiet          be vewwy quiet (I'm hunting wabbits)
+      -fFILE, --file=FILE  write output to FILE
+      -mMODE, --mode=MODE  interaction mode: one of 'novice', 'intermediate'
+			   [default], 'expert'
+
+      Dangerous Options:
+	Caution: use of these options is at your own risk.  It is believed that
+	some of them bite.
+	-g                 Group option.
 
 .. _optparse-printing-version-string:
 
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index c4f6e64..66316dd 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -378,6 +378,20 @@
       :func:`fdopen`, use its :meth:`close` method.
 
 
+.. function:: closerange(fd_low, fd_high)
+
+   Close all file descriptors from *fd_low* (inclusive) to *fd_high* (exclusive),
+   ignoring errors. Availability: Macintosh, Unix, Windows. Equivalent to::
+
+      for fd in xrange(fd_low, fd_high):
+          try:
+              os.close(fd)
+          except OSError:
+              pass
+
+   .. versionadded:: 2.6
+
+
 .. function:: device_encoding(fd)
 
    Return a string describing the encoding of the device associated with *fd*
diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index 9d12d34..02c2fa4 100644
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -1,4 +1,3 @@
-
 :mod:`sqlite3` --- DB-API 2.0 interface for SQLite databases
 ============================================================
 
@@ -387,7 +386,7 @@
 
 .. method:: Cursor.execute(sql, [parameters])
 
-   Executes a SQL statement. The SQL statement may be parametrized (i. e.
+   Executes an SQL statement. The SQL statement may be parametrized (i. e.
    placeholders instead of SQL literals). The :mod:`sqlite3` module supports two
    kinds of placeholders: question marks (qmark style) and named placeholders
    (named style).
@@ -408,7 +407,7 @@
 
 .. method:: Cursor.executemany(sql, seq_of_parameters)
 
-   Executes a SQL command against all parameter sequences or mappings found in
+   Executes an SQL command against all parameter sequences or mappings found in
    the sequence *sql*.  The :mod:`sqlite3` module also allows using an
    :term:`iterator` yielding parameters instead of a sequence.
 
@@ -432,6 +431,35 @@
    .. literalinclude:: ../includes/sqlite3/executescript.py
 
 
+.. method:: Cursor.fetchone() 
+          
+   Fetches the next row of a query result set, returning a single sequence,
+   or ``None`` when no more data is available.
+
+
+.. method:: Cursor.fetchmany([size=cursor.arraysize])
+          
+   Fetches the next set of rows of a query result, returning a list.  An empty
+   list is returned when no more rows are available.
+   
+   The number of rows to fetch per call is specified by the *size* parameter.
+   If it is not given, the cursor's arraysize determines the number of rows
+   to be fetched. The method should try to fetch as many rows as indicated by
+   the size parameter. If this is not possible due to the specified number of
+   rows not being available, fewer rows may be returned.
+   
+   Note there are performance considerations involved with the *size* parameter.
+   For optimal performance, it is usually best to use the arraysize attribute.
+   If the *size* parameter is used, then it is best for it to retain the same
+   value from one :meth:`fetchmany` call to the next.
+            
+.. method:: Cursor.fetchall() 
+
+   Fetches all (remaining) rows of a query result, returning a list.  Note that
+   the cursor's arraysize attribute can affect the performance of this operation.
+   An empty list is returned when no rows are available.
+
+
 .. attribute:: Cursor.rowcount
 
    Although the :class:`Cursor` class of the :mod:`sqlite3` module implements this
diff --git a/Doc/library/xml.sax.utils.rst b/Doc/library/xml.sax.utils.rst
index cd16348..43bf69e 100644
--- a/Doc/library/xml.sax.utils.rst
+++ b/Doc/library/xml.sax.utils.rst
@@ -19,7 +19,8 @@
 
    You can escape other strings of data by passing a dictionary as the optional
    *entities* parameter.  The keys and values must all be strings; each key will be
-   replaced with its corresponding value.
+   replaced with its corresponding value.  The characters ``'&'``, ``'<'`` and
+   ``'>'`` are always escaped, even if *entities* is provided.
 
 
 .. function:: unescape(data[, entities])
@@ -28,7 +29,8 @@
 
    You can unescape other strings of data by passing a dictionary as the optional
    *entities* parameter.  The keys and values must all be strings; each key will be
-   replaced with its corresponding value.
+   replaced with its corresponding value.  ``'&amp'``, ``'&lt;'``, and ``'&gt;'``
+   are always unescaped, even if *entities* is provided.
 
 
 .. function:: quoteattr(data[, entities])
diff --git a/Doc/library/zipfile.rst b/Doc/library/zipfile.rst
index f647bca..c90f946 100644
--- a/Doc/library/zipfile.rst
+++ b/Doc/library/zipfile.rst
@@ -19,7 +19,8 @@
 documentation). It can handle ZIP files that use the ZIP64 extensions
 (that is ZIP files that are more than 4 GByte in size).  It supports
 decryption of encrypted files in ZIP archives, but it currently cannot
-create an encrypted file.
+create an encrypted file.  Decryption is extremely slow as it is
+implemented in native python rather than C.
 
 For other archive formats, see the :mod:`bz2`, :mod:`gzip`, and
 :mod:`tarfile` modules.