<NOT>
Syntax
<NOT {parameter1} >
where:
parameter1 boolean number
Description
<NOT> returns 0 (FALSE) if parameter is true, otherwise it returns 1
(TRUE).
See also: <AND>, <OR>.
Example
&FORWARD 2 <NOT <PARMPRES 2>>
This will cause a jump forward of two lines if a second parameter was not
supplied on the script command line.