capabilities: SORT

ok sort (from) us-ascii all
* sort 3 1 2
ok sort (to) us-ascii all
* sort 3 1 2
ok sort (cc) us-ascii all
* sort 3 1 2

ok sort (reverse from) us-ascii all
* sort 1 2 3
ok sort (reverse to) us-ascii all
* sort 1 2 3
ok sort (reverse cc) us-ascii all
* sort 1 2 3

ok sort (from reverse arrival) us-ascii all
* sort 3 2 1
ok sort (to reverse arrival) us-ascii all
* sort 3 2 1
ok sort (cc reverse arrival) us-ascii all
* sort 3 2 1
