The LaTeX is untested (well, so is the new API, for that matter).
Note that I also changed NULL to get spelled consistently in concrete.tex.
If that was a wrong thing to do, Fred should yell at me.

New include file timefuncs.h exports private API function
_PyTime_DoubleToTimet() from timemodule.c.  timemodule should export
some other functions too (look for painful bits in datetimemodule.c).

Added insane-argument checking to datetime's assorted fromtimestamp()
and utcfromtimestamp() methods.  Added insane-argument tests of these
to test_datetime, and insane-argument tests for ctime(), localtime()
and gmtime() to test_time.

itself.

Closes bug #919012  .  Thanks Johannes Gijsbers.

timestamps will lose precision thanks to time_t < double (bug #919012).

more than a second of precision.  Primarily affects ctime, localtime, and
gmtime.

Closes bug #919012 thanks to Tim Peters' code.

Tim suggests that the new funciton being introduced, _PyTime_DoubletoTimet(),
should be added to the internal C API and then used in datetime where
appropriate.  Not being done now for lack of time.

regex match from 6 to 16 characters.

have pointer addresses in uppercase.

Closes bug #934282.  Thanks Robin Becker.

immediately (since None is not a sequence you can iterate over).

it from the install directory (as reported by the registry) in case it
is not found on the default Loadlibrary search path.

Fixes SF 935091: bdist_winist post-install script fails on non-admin Python

Already backported.

and modules by configuring with the --enable-profiling flag.

jammed together on thos platforms.

Closes bug #973901.  Thanks Brian Gough.

- misc. changes

SF patch #943898

Reads better when the iterable is a generator expression.

We need to write more; hopefully the barrier is a little lower now.

Make sure the start argument is not negative.

(Contributed by Andrew Gaul.)