This is a follow on to issue 16464.  Original patch by Daniel Wozniak.

  in marshal

This fix means that such values are correctly roundtripped, since
cvs.writer already does the correct escaping.

Patch by Michael Johnson.

#17471 - Increasing the urllib.error test coverage. Bringing it to 100%. Based on patch contributed by Daniel Wozniak

specifically addresses a stack misalignment issue on x86 and issues
on some more recent platforms.

Structured Exception Handling on windows.

specifically addresses a stack misalignment issue on x86 and issues
on some more recent platforms.

I have no idea how one would write a test for this.

Patch by July Tikhonov.