 as a flag for some of the error handling
	logic in the program.
<LI><b>	complex:</b> sets nwpp = 2	
<LI><b>	real:</b>
<LI><b> echo:</b>	(default) Turns on command line echo, so you see the 
                      command echoed immediately before it is executed.
<LI><b>	noecho:</b>	Turns off the echo feature.
<LI><b>	holds:	</b>	set the hold pattern to be used for inserted lines	
<LI><b>	tags:</b>
<LI><b>	intregs:	</b>
<LI><b>	realregs:</b>
<LI><b>	lsqcontinuum: </b>           (may be abreviated to 4 letter