1 /CURRENT
/CURRENT (D) Specifies the current direction for the change in indentation.
2 /FORWARD
Specifies the forward direction for the change in indentation.
3 /HOLD
/HOLD (D) /NOHOLD Specifies whether or not the selected range is canceled by this command. You use the /HOLD qualifier to keep the selected range active so that you may repeat this command to make incremental changes in indentation.
4 /REVERSE
Specifies the reverse direction for the change in indentation.