raise a ValueError for dangling delimiters (the delimiter itself is returned).

This patch includes test cases and documentation updates, as well as NEWS file
updates.

This patch also updates the sre modules so that they don't import the string
module, breaking direct circular imports.

Backported to 2.3.

Modified string.split documentation to reflect behaviour of splitting emtpy string.  Closes SF bug #811604

SF feature request #801847.
Original patch is written by Sean Reifschneider.

were in the wrong file.  Moved out of libstring.tex and into
libstdtypes.tex.

Clarified the difference between translate methods for string objects and
Unicode objects.

 * Doc - add doc for when functions were added
 * UserString
 * string object methods
 * string module functions
'chars' is used for the last parameter everywhere.

These changes will be backported, since part of the changes
have already been made, but they were inconsistent.

Note that there is no str.joinfields(), use str.join() instead.

(which makes it more clear).
Closes SF bug #571767.

http://www.python.org/sf/444708

This adds the optional argument for str.strip
to unicode.strip too and makes it possible
to call str.strip with a unicode argument
and unicode.strip with a str argument.

to the string module.  This was determined to be the right approach in
SF bug #226706.

(The string "strop" is found in the rexec documentation, but that should
not be changed until strop is actually removed or rexec no longer allows
it.)

use of the float(), int(), and long() built-ins instead.

Fixed minor markup nit elsewhere (use of \optional).

<lannert@uni-duesseldorf.de>.

module.

        Fix description; lowercase and uppercase are strings, not
        functions!  Noted by Randall Hopper <aa8vb@yahoo.com>.

maketrans():
        Minor markup nits in description.

items -> item

The returned list will then have one more items than the number of
non-overlapping occurrences of the separator in the string.

results are possible but non-portable.

the NaN value.

strings are not actually modified.  Problem reported by Dr. Peter
Stoehr <peter.stoehr@weihenstephan.org>.

Fix up a few synopses.

	\setindexsubitem{(in module frobnitz)}

These are no longer needed when present before any other \setindexsubitem{}
in the module section.  The indexsubitem is now set by \bimodindex and
\stmodindex.