1#macro( quietnull $a)
2#if($a)$a#end
3#end
4
5#macro( recurse $a )
6  global recurse $a
7  #set( $a = $a - 1)
8  #if ($a > 0)
9    #recurse( $a )
10  #end
11#end
12
13#macro( callrecurse )
14   #set( $count = 5)
15   #recurse( $count )
16#end
17
18#macro( testbool $b )
19 #if($b)
20  arg true
21 #end
22 #if( ! $b )
23  arg false
24 #end
25#end
26
27
28