Reserved Keywords

The keywords that follow are reserved by the language, and therefore are unable to be used as identifiers such as function names, label names, or user-defined data type (struct) names. These keywords are case-sensitive (i.e., if is valid but IF is not).

as	false	library	string
axis	for	nonblocking	struct
blocking	foreach	onerror	switch
break	function	program	sync
case	get	property	to
continue	goto	real	true
default	handle	ref	value
dynamic	if	repeat	var
else	import	return	wait
elseif	in	set	while
end	integer	static
enum	length	step