is now also optional

Python

Emacs.

is the last thing on the line.

Documented new formatting features: %s takes any type, and
'%(key)format' % dictionary.
Documented posixpath.expandvars().

line containing tabs

parentheses

correctly; allow test(N) to set number of calls in the tests.

print more statistics in test_generator()

addpack: new module to add packages to sys.path.