ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 °--expr:  [0/0] {1}                                   
     ¦--FOR: for [0/1] {2}                             
     ¦--forcond:  [0/1] {3}                            
     ¦   ¦--'(': ( [0/0] {4}                           
     ¦   ¦--SYMBOL: i [0/5] {5}                        
     ¦   ¦--IN: in [0/5] {6}                           
     ¦   ¦--expr:  [0/0] {8}                           
     ¦   ¦   °--NUM_CONST: 3 [0/0] {7}                 
     ¦   °--')': ) [0/0] {9}                           
     °--expr:  [0/0] {11}                              
         °--NUM_CONST: 3 [0/0] {10}                    
