r-all
r-alternate
r-badboth
r-badcopy0
r-badcopy0-write
r-missing
r-missing-n
r-mixed
r-multi
r-one
r-one-n
r-script
r-set-empty
r-set-existing
r-set-multi
r-set-new
r-set-same
r-set-spaces
r-unset
r-unset-missing
s-all
s-badcrc
s-badcrc-defenv
s-help
s-missing
s-missing-n
s-mixed
s-multi
s-one
s-one-n
s-script
s-set-empty
s-set-existing
s-set-multi
s-set-new
s-set-same
s-set-spaces
s-unset
s-unset-missing
s-version