alias foobar
{
	local a
	@ a = [$0] - 1
	echo *** Descending: Now $$a is $a
	echo *** Global $$a is ${::a}
	if (a >= 0) 
	{
		foobar $a
	}
	echo *** Ascending: Now $$a is $a
}

alias go
{
	assign a 31337
	echo *** Ok.  Lets see. $$a is $a (global)
	foobar 10
	echo *** Ok, all done. $$a is $a (global)
}

alias local2
{
	local a.
	@ a.b = 43
	echo a.b is $a.b, a.c is $a.c
	@ a.c = 23
	echo a.b is $a.b, a.c is $a.c
}
alias go2
{
	@ a.c = 37
	echo a.b is $a.b, a.c is $a.c
	local2
	echo a.b is $a.b, a.c is $a.c
}

alias go3
{
	local a
	@ a = 10
	if (1)
	{
		local b
		@ b = 20
		echo $$a should be 10, its [$a]
		echo $$b should be 20, its [$b]
	}
	echo $$a should be 10, its [$a]
	echo $$b should be 20, its [$b]
}