Patch by Jeff McNeil.

Instead of requiring the tester to manually add the path to the python-gdb.py
file in the checkout to their .gdbinit file, add it automatically when
invoking gdb in the test.

with certain versions of Tk 8.5.  Initial patch by Kevin Walzer.

Patch by Brent Tubbs.

and IDLE Help file.  (Thanks to Nick ODell and Todd Rovito for suggestions.)
Update Debug menu options in docs to match current code plus various other
minor IDLE doc and help edits.

Fix issue #16270: urllib may hang when used for retrieving files via FTP by using a context manager.

Patch by Todd Rovito.

Thanks to Yongzhi Pan from docs@

Reported by: Roumen Petrov

Original patch by Felipe Cruz.

Specifically, make sure the 'Object', 'Python' and 'Include' directories
in the build directory take precedence over the source directory if we're
an out-of-tree build.

Fix typeslots.inc so that it gets generated into the build directory.

This change includes replacing the single-line signature documentation
with a more complete multiple-line signature.