Fix issue16932: Fix the urlparse example. Remote :port when scheme is not specified to demonstrate correct behavior

Fix issue16932: Fix the urlparse example. Remote :port when scheme is not specified to demonstrate correct behavior

invalid characters (outside range [U+0000; U+10ffff]) to Unicode: repr(array),
str(array) and array.tounicode(). Patch written by Manuel Jacob.

the range U+0000-U+10ffff.

This fixes an apparent copy-and-paste error.

Patch by Manuel Jacob.

This fixes an apparent copy-and-paste error.

Patch by Manuel Jacob.

Patch by Lowe Thiderman

#15438: add a note to math.pow() that suggests using **/pow() for integers.  Patch by Mark Dickinson.