Reserved words

In the m language, keywords, like identifiers, are case sensitive. The following keywords are reserved and cannot be used as identifiers:

and	const	forward	or	true
as	do	function	return	try
break	else	if	shl	until
by	elsif	in	shr	use
case	end	is	then	while
catch	false	not	throw
class	for	null	to