(1) Use matchobj.groups(), not matchbj.group() to get all groups.
(1) Use matchobj.groups(), not matchbj.group() to get all groups.

(2) Provisional hack to avoid dying when trying to turn echo on or off
on Macs, where os.system() doesn't exist.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator