HAI 1.3
 
I HAS A foo BTW, INISHULIZD TO NOOB
DIFFRINT foo AN FAIL, O RLY?
    YA RLY, VISIBLE "FAIL != NOOB"
OIC
 
I HAS A bar ITZ 42
bar, O RLY?
    YA RLY, VISIBLE "bar IZ DEFIND"
OIC
 
bar R NOOB BTW, UNDEF bar
bar, O RLY?
    YA RLY, VISIBLE "SHUD NEVAR C DIS"
OIC
 
KTHXBYE