pr(1) on FreeBSD
The text ad28d4696e91, as FreeBSD 10.1-RELEASE shipped it.
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Flags it lists
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-F -
-L -
-a -
-column -
-d -
-e -
-f -
-h -
-i -
-l -
-m -
-n -
-o -
-p -
-r -
-s -
-t -
-w