An esoteric language inspired by lambda calculus and Lisp. trec is recursive acronym for trec tree constructor.
&p*?'a&cA@*)72*101*108*108*111*44*32*87*111*114*108*100*33*10
$?'n,n*?)?'a&n*a*0@\1@&f*n*#/&e*n*\1@&u&t
$?'n,n*?)?'a&m*a*1@N@&d*?#/&e*n*1@[*_=>>>2@&u&t