appropriate number of parallel workers.

parallel (thanks Michael for pointing this).

Patch by Michael Henry.

Issue #11244: Remove outdated peepholer check that was preventing the peepholer from folding -0 and -0.0.  Thanks Eugene Toder for the patch.

The fix was already present in 3.3, but I merged two small changes
recommended by Raymond while I was working on the 2.7 patch to ease
future merges.

The fix was already committed to 3.2, but I merged two small changes
recommended by Raymond while I was working on the 2.7 patch to ease
future merges.

Original patch by Carl Meyer, review by Brett Cannon, small doc editions by
yours truly.  Fixes #11591.

Issue #10610: Document that int(), float(), and complex() accept numeric literals with the Nd property.

Issue #10610: Document that int(), float(), and complex() accept numeric literals with the Nd property.

Issue #10610: Document that int(), float(), and complex() accept numeric literals with the Nd property.