AAAA:
--abcd
AAAA:
--abcd
--efgh
BBBB:
--abcd
BBBB:

CCCC:
--bar
--baz
-a
-b
-bar
-foo
CCCC:
--baz
-a
-b
-bar
-foo
CCCC:
--baz
-a
-b
-bar
CCCC:
--baz
-b
-bar
CCCC:
implicit cd complete works
no implicit cd complete after 'command'
PATH does not cause incorrect implicit cd
