ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 ¦--expr: funct [0/0] {1}                              
 ¦   ¦--FUNCTION: funct [0/0] {2}                      
 ¦   ¦--'(': ( [0/0] {3}                               
 ¦   ¦--')': ) [0/0] {4}                               
 ¦   °--expr: NULL [1/0] {6}                           
 ¦       °--NULL_CONST: NULL [0/0] {5}                 
 °--expr: for ( [2/0] {7}                              
     ¦--FOR: for [0/1] {8}                             
     ¦--forcond: (i in [0/1] {9}                       
     ¦   ¦--'(': ( [0/0] {10}                          
     ¦   ¦--SYMBOL: i [0/1] {11}                       
     ¦   ¦--IN: in [0/1] {12}                          
     ¦   ¦--expr: 1:3 [0/0] {13}                       
     ¦   ¦   ¦--expr: 1 [0/0] {15}                     
     ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {14}            
     ¦   ¦   ¦--':': : [0/0] {16}                      
     ¦   ¦   °--expr: 3 [0/0] {18}                     
     ¦   ¦       °--NUM_CONST: 3 [0/0] {17}            
     ¦   °--')': ) [0/0] {19}                          
     °--expr: {
2
  [1/0] {20}                       
         ¦--'{': { [0/0] {21}                          
         ¦--expr: 2 [1/1] {23}                         
         ¦   °--NUM_CONST: 2 [0/0] {22}                
         °--'}': } [1/0] {24}                          
