Original patch by Berker Peksag.

OverflowError when an argument of %c format is out of range.

for symlinks.

for strings longer than 2 gigabytes.

and complex.__format__().

'Find in files' by replacing 'open with implicit close' by 'with open' in
GrepDialog method grep_it. Streamline code with enumerate(), direct file
iteration, and output tweak. Add test for this method, including output format.

Problem noted & original patch by Serhiy Storchaka; I tweaked the patch a bit.

Back port of 0113247f894b from 3.3.

The exceptions are the import related questions at the end, which
need to be rewritten anyway, and a math example that doesn't
exist in the 3.3+ docs that I didn't bother trying to fix.

when \r\n appears at end of 65535 bytes without other newlines.

Reported by Atsuo Ishimoto.

Original patch by Sarah K.

AI_NUMERICSERV isn't defined on OSX 10.4.

encoding now always contains an encoding name.

Fix bug in existing human test and add instructions; fix two bugs in tested
code; remove redundancies, add spaces, and change two internal method names.
Add mock_tk with mocks for tkinter.Variable subclasses and tkinter.messagebox.
Use mocks in test_config_name to unittest methods that are otherwise gui-free.

os.path.join(*self.dirs) produces an invalid path on windows.
ftp paths are always forward-slash seperated like this. /pub/dir.

hostname is resolvable by socket.gethostname for local machine. This all fixes
certain freebsd builtbot failures.

towards target. This fixes a bug where target is accessible, but parent
directories are restricted.

Refactor test to accomodate that and exercise the needed functionality.

Preliminary patch by Rajagopalasarma Jayakrishnan.

OS X 10.8 systems because the Apple-deprecated QuickDraw headers have
been removed from Xcode 4.  Skip building it in this case.

This helps in handling certain types invalid urls in a conservative manner.