Is the preferred capitalization for optional and required arguments in usage stanzas upercase or lowercase?
$ hk help | head -n 1
Usage: hk <command> [options] [arguments]
$ hk help get | head -n 1
Usage: hk get [-a APP] <name>
$ hk help create | head -n 1
Usage: hk create [APP]
$ hk version
0.6
Is the preferred capitalization for optional and required arguments in usage stanzas upercase or lowercase?