ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 ¦--COMMENT: # A f [0/0] {1}                           
 °--expr:  [1/0] {2}                                   
     ¦--expr:  [0/1] {4}                               
     ¦   °--SYMBOL: a [0/0] {3}                        
     ¦--LEFT_ASSIGN: <- [0/1] {5}                      
     °--expr:  [0/0] {6}                               
         ¦--FUNCTION: funct [0/0] {7}                  
         ¦--'(': ( [0/0] {8}                           
         ¦--SYMBOL_FORMALS: x [0/0] {9}                
         ¦--',': , [0/1] {10}                          
         ¦--SYMBOL_FORMALS: y [0/0] {11}               
         ¦--',': , [0/1] {12}                          
         ¦--SYMBOL_FORMALS: z [0/0] {13}               
         ¦--')': ) [0/1] {14}                          
         °--expr:  [0/0] {15}                          
             ¦--'{': { [0/0] {16}                      
             ¦--expr:  [1/0] {17}                      
             ¦   ¦--IF: if [0/1] {18}                  
             ¦   ¦--'(': ( [0/0] {19}                  
             ¦   ¦--expr:  [0/0] {20}                  
             ¦   ¦   ¦--expr:  [0/0] {22}              
             ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {21}    
             ¦   ¦   ¦--GT: > [0/0] {23}               
             ¦   ¦   °--expr:  [0/0] {25}              
             ¦   ¦       °--NUM_CONST: 10 [0/0] {24}   
             ¦   ¦--')': ) [0/1] {26}                  
             ¦   °--expr:  [0/0] {27}                  
             ¦       ¦--'{': { [0/0] {28}              
             ¦       ¦--COMMENT: # thi [1/0] {29}      
             ¦       °--'}': } [1/0] {30}              
             ¦--COMMENT: #' an [1/0] {31}              
             °--'}': } [1/0] {32}                      
