Acker

control

? - query - question mark
. - statement - full stop - dot
` - quasiquote - grave accent - backtick
' - quote
, - unquote

unquote -> don't quote (the default behavior)
quote -> do not resolve (throw errors) (query for the definition) (i.e. it is a symbol)

e.g.
Ack? -> Ack.
Ack ack? -> Ack ack.
Ack ack ack? -> Ack ack ack.
Ack ack ack ack? -> Ack ack ack ack.

Ack. -> Ack ack.
Ack ack. -> Ack? -> Ack. -> Ack ack.
Ack ack ack. -> Ack ack? -> Ack ack. -> Ack? -> Ack. -> Ack ack.
Ack 0. -> 0? -> 0. -> Ack 0? -> Ack 0. -> 0? -> 0. -> Ack 0? -> Ack 0. -> ...
Ack I like apples -> Ack I? Ack like? Ack apples? (*)-> Ack I. Ack like. Ack apples. -> I? like? apples? -> I. like. apples. -> (goto *)

Ack 0 ack. -> Ack 0? Ack ack? -> Ack 0. Ack ack. -> 0? Ack? -> 0. Ack. -> Ack 0? Ack ack. -> Ack 0. -> 0? -> 0. -> Ack 0? -> Ack 0. -> ...
Ack '0 ack. -> Ack '0? Ack ack? - Ack '0. Ack ack. - Ack '0. Ack? -> Ack. -> Ack ack.