Patch by Mark Roseman.

Issue #19143: platform module now reads Windows version from kernel32.dll to avoid compatibility shims.

Issue #19143: platform module now reads Windows version from kernel32.dll to avoid compatibility shims.

Issue #19143: platform module now reads Windows version from kernel32.dll to avoid compatibility shims.

Also, properly skip the test_nested_optimization test for partial subclasses
and add a test for the suggested usage.

Also, properly skip the test_nested_optimization test for partial subclasses
and add a test for the suggested usage.

Sorry, I pushed the patch on the UTF-8 decoder by mistake :-(

Change destination to help.html.  Adjust NEWS entries.

Change destination to help.html.  Adjust NEWS entries.

Change destination to help.html.  Adjust NEWS entries.

It doesn't work to use #define XXX defined(YYY)" and then "#ifdef XXX"
to check YYY.

Add a macro which ensures that the writer has at least the requested kind.

Factorize code with the new get_error_handler() function.

Add some empty lines for readability.

ignore and replace. Initial patch written by Naoki Inada.

The decoder is now up to 60 times as fast for these error handlers.

Add also unit tests for the ASCII decoder.