ROOT (token: short_text [lag_newlines/spaces] {pos_id})         
 ¦--expr:  [0/0] {1}                                            
 ¦   ¦--expr:  [0/1] {6}                                        
 ¦   ¦   °--SYMBOL: a [0/0] {5}                                 
 ¦   ¦--SPECIAL-PIPE: %>% [0/0] {7}                             
 ¦   ¦--expr:  [1/1] {8}                                        
 ¦   ¦   ¦--expr:  [0/0] {10}                                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: b [0/0] {9}               
 ¦   ¦   ¦--'(': ( [0/0] {11}                                   
 ¦   ¦   °--')': ) [0/0] {12}                                   
 ¦   ¦--SPECIAL-PIPE: %>% [0/0] {13}                            
 ¦   ¦--expr:  [1/1] {14}                                       
 ¦   ¦   ¦--expr:  [0/0] {16}                                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: c [0/0] {15}              
 ¦   ¦   ¦--'(': ( [0/0] {17}                                   
 ¦   ¦   °--')': ) [0/0] {18}                                   
 ¦   ¦--SPECIAL-PIPE: %>% [0/10] {19}                           
 ¦   ¦--expr:  [1/1] {20}                                       
 ¦   ¦   ¦--expr:  [0/0] {22}                                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: d [0/0] {21}              
 ¦   ¦   ¦--'(': ( [0/0] {23}                                   
 ¦   ¦   ¦--expr:  [0/0] {24}                                   
 ¦   ¦   ¦   ¦--expr:  [0/1] {26}                               
 ¦   ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {25}                     
 ¦   ¦   ¦   ¦--'+': + [0/1] {27}                               
 ¦   ¦   ¦   °--expr:  [0/0] {28}                               
 ¦   ¦   ¦       ¦--expr:  [0/1] {30}                           
 ¦   ¦   ¦       ¦   °--SYMBOL_FUNCTION_CALL: e [0/0] {29}      
 ¦   ¦   ¦       ¦--'(': ( [0/0] {31}                           
 ¦   ¦   ¦       ¦--expr:  [0/0] {32}                           
 ¦   ¦   ¦       ¦   ¦--expr:  [0/0] {34}                       
 ¦   ¦   ¦       ¦   ¦   °--SYMBOL_FUNCTION_CALL: sin [0/0] {33}
 ¦   ¦   ¦       ¦   ¦--'(': ( [0/0] {35}                       
 ¦   ¦   ¦       ¦   ¦--expr:  [0/0] {37}                       
 ¦   ¦   ¦       ¦   ¦   °--SYMBOL: f [0/0] {36}                
 ¦   ¦   ¦       ¦   °--')': ) [0/0] {38}                       
 ¦   ¦   ¦       °--')': ) [0/0] {39}                           
 ¦   ¦   °--')': ) [0/0] {40}                                   
 ¦   ¦--SPECIAL-PIPE: %>% [0/33] {41}                           
 ¦   °--expr:  [1/0] {42}                                       
 ¦       ¦--expr:  [0/0] {44}                                   
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: g_out [0/0] {43}          
 ¦       ¦--'(': ( [0/0] {45}                                   
 ¦       °--')': ) [0/0] {46}                                   
 °--expr:  [2/0] {47}                                           
     ¦--expr:  [0/1] {49}                                       
     ¦   °--SYMBOL: a [0/0] {48}                                
     ¦--LEFT_ASSIGN: <- [0/1] {50}                              
     °--expr:  [0/0] {51}                                       
         ¦--FUNCTION: funct [0/0] {52}                          
         ¦--'(': ( [0/0] {53}                                   
         ¦--SYMBOL_FORMALS: jon_t [0/0] {54}                    
         ¦--')': ) [0/1] {55}                                   
         °--expr:  [0/0] {56}                                   
             ¦--'{': { [0/0] {57}                               
             °--'}': } [0/0] {58}                               
