->                                               (program
                                                     (type 'REXX')
Say 'Hello, World!'                Ä                (title 'Program.rx')
                                                     (include
Exit                                                     (' 'stdio')
                                                     )
                                                     (proc 
                                                         (name '->') (arg ()) (ret .)
                                                         (flags (' (recursive 0)) (src-file:line 1)
                                                         (_   
                                                             (call
                                                                 (name 'StdOut') (src-file:line 3)                                                                 
                                                                 (arg
                                                                     (' 
                                                                         2
                                                                         (' T_*)
                                                                         (' :#1 :#2)
                                                                     )
                                                                 )
                                                                 (val
                                                                     ('
                                                                         (_ (name '#1') (type String) (value 'Hello, World!'))
                                                                         (_ (name '#2') (type String) (value "\n"))
                                                                     )
                                                                 )
                                                             )
                                                         )
                                                     )
                                                 )
