address the compatibility problem introduced by the addition of IDLE Dark.
Consistently use the revised idleConf.CurrentTheme everywhere in idlelib.

parse command line arguments.

parse command line arguments.

parse command line arguments.

rejects builtin types with not defined __new__.
Added tests for non-pickleable types.

rejects builtin types with not defined __new__.
Added tests for non-pickleable types.

rejects builtin types with not defined __new__.
Added tests for non-pickleable types.

Patch started by Stéphane Wirtel.

It now has slightly better rationale and a less awkward wording in the
explanation.

Inspired by a report of a neither/or conflict by 'animalize' on docs@.

Reported on docs@ by Keith Briggs.

Reported on docs@ by Igor Zhun.

Use time.monotonic instead of time.clock.

Use time.monotonic instead of time.clock.

Use time.monotonic or time.time instead of time.clock.

failure when the test is ran the second time.

The root attribute was set in parent class in setUpClass and then
overridded in child class in tearDownClass.

failure when the test is ran the second time.

The root attribute was set in parent class in setUpClass and then
overridded in child class in tearDownClass.