run test1 "test1 - 13" "arg1: 1 arg2: foo" -OT foo
run test1 "test1 - 14" "arg1: 0 arg2: (none) inc: 1" --inc
run test1 "test1 - 15" "arg1: 0 arg2: foo inc: 1" -i --arg2 foo
-POSIX_ME_HARDER=1 run test1 "test1 - 16" "arg1: 1 arg2: (none) rest: foo --arg2 something" --arg1 foo --arg2 something
-POSIXLY_CORRECT=1 run test1 "test1 - 17" "arg1: 1 arg2: (none) rest: foo --arg2 something" --arg1 foo --arg2 something
+export POSIX_ME_HARDER=1
+run test1 "test1 - 16" "arg1: 1 arg2: (none) rest: foo --arg2 something" --arg1 foo --arg2 something
+unset POSIX_ME_HARDER
+export POSIXLY_CORRECT=1
+run test1 "test1 - 17" "arg1: 1 arg2: (none) rest: foo --arg2 something" --arg1 foo --arg2 something
+unset POSIXLY_CORRECT
run test1 "test1 - 18" "callback: c sampledata bar arg1: 1 arg2: (none)" --arg1 --cb bar
run test1 "test1 - 19" "" --echo-args
run test1 "test1 - 20" "--arg1" --echo-args --arg1