ROOT (token: short_text [lag_newlines/spaces] {pos_id})   
 ¦--COMMENT: #   _ [0/0] {1}                              
 ¦--COMMENT: #   l [1/0] {2}                              
 °--expr:  [1/0] {3}                                      
     ¦--expr:  [0/1] {5}                                  
     ¦   °--SYMBOL: a [0/0] {4}                           
     ¦--LEFT_ASSIGN: <- [0/1] {6}                         
     °--expr:  [0/0] {7}                                  
         ¦--FUNCTION: funct [0/0] {8}                     
         ¦--'(': ( [0/0] {9}                              
         ¦--')': ) [0/1] {10}                             
         °--expr:  [0/0] {11}                             
             ¦--'{': { [0/1] {12}                         
             ¦--COMMENT: ### . [1/5] {13}                 
             ¦--COMMENT: ### i [1/5] {14}                 
             ¦--expr:  [1/4] {15}                         
             ¦   ¦--expr:  [0/0] {17}                     
             ¦   ¦   °--SYMBOL_FUNCTION_CALL: q [0/0] {16}
             ¦   ¦--'(': ( [0/0] {18}                     
             ¦   °--')': ) [0/0] {19}                     
             ¦--COMMENT: ##  . [1/2] {20}                 
             ¦--COMMENT: ##  s [1/0] {21}                 
             °--'}': } [1/0] {22}                         
