-.TP
-.BR "\-S, \-\-protocol\-decoder\-stack " <stack>
-This option allows the user to specify a protocol decoder stack, i.e.
-the way in which one protocol decoder's output gets piped into another
-protocol decoder. If not specified, the stack will be set up in the same
-order in which the protocol decoders were given with the
-.B \-\-protocol-decoders
-option.