check $expected $actual 'keep first'
check $expected_err $actual_err
# check -all with -components
echo 'mhparam: -components ignored with -all' >$expected_err
check $expected $actual 'keep first'
check $expected_err $actual_err
# check -all with -components
echo 'mhparam: -components ignored with -all' >$expected_err