ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 ¦--expr: tribb [0/0] {1}                              
 ¦   ¦--expr: tribb [0/0] {3}                          
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: tribb [0/0] {2}      
 ¦   ¦--'(': ( [0/2] {4}                               
 ¦   ¦--expr: ~x [1/0] {5}                             
 ¦   ¦   ¦--'~': ~ [0/0] {6}                           
 ¦   ¦   °--expr: x [0/0] {8}                          
 ¦   ¦       °--SYMBOL: x [0/0] {7}                    
 ¦   ¦--',': , [0/7] {9}                               
 ¦   ¦--expr: ~d [0/0] {10}                            
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 ¦   ¦   °--expr: d [0/0] {13}                         
 ¦   ¦       °--SYMBOL: d [0/0] {12}                   
 ¦   ¦--',': , [0/2] {14}                              
 ¦   ¦--expr: "axa' [1/0] {16}                         
 ¦   ¦   °--STR_CONST: "axa' [0/0] {15}                
 ¦   ¦--',': , [0/1] {17}                              
 ¦   ¦--expr: 1:6 [0/0] {18}                           
 ¦   ¦   ¦--expr: 1 [0/0] {20}                         
 ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {19}                
 ¦   ¦   ¦--':': : [0/0] {21}                          
 ¦   ¦   °--expr: 6 [0/0] {23}                         
 ¦   ¦       °--NUM_CONST: 6 [0/0] {22}                
 ¦   ¦--',': , [0/2] {24}                              
 ¦   ¦--expr: "b" [1/0] {26}                           
 ¦   ¦   °--STR_CONST: "b" [0/0] {25}                  
 ¦   ¦--',': , [0/6] {27}                              
 ¦   ¦--expr: 4:6 [0/0] {28}                           
 ¦   ¦   ¦--expr: 4 [0/0] {30}                         
 ¦   ¦   ¦   °--NUM_CONST: 4 [0/0] {29}                
 ¦   ¦   ¦--':': : [0/0] {31}                          
 ¦   ¦   °--expr: 6 [0/0] {33}                         
 ¦   ¦       °--NUM_CONST: 6 [0/0] {32}                
 ¦   °--')': ) [1/0] {34}                              
 ¦--expr: tribb [2/0] {35}                             
 ¦   ¦--expr: tribb [0/0] {37}                         
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: tribb [0/0] {36}     
 ¦   ¦--'(': ( [0/2] {38}                              
 ¦   ¦--expr: ~x [1/0] {39}                            
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 ¦   ¦--',': , [0/7] {43}                              
 ¦   ¦--expr: ~d [0/0] {44}                            
 ¦   ¦   ¦--'~': ~ [0/0] {45}                          
 ¦   ¦   °--expr: d [0/0] {47}                         
 ¦   ¦       °--SYMBOL: d [0/0] {46}                   
 ¦   ¦--',': , [0/2] {48}                              
 ¦   ¦--expr: "axa' [1/0] {50}                         
 ¦   ¦   °--STR_CONST: "axa' [0/0] {49}                
 ¦   ¦--',': , [0/1] {51}                              
 ¦   ¦--expr: 1:6 [0/0] {52}                           
 ¦   ¦   ¦--expr: 1 [0/0] {54}                         
 ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {53}                
 ¦   ¦   ¦--':': : [0/0] {55}                          
 ¦   ¦   °--expr: 6 [0/0] {57}                         
 ¦   ¦       °--NUM_CONST: 6 [0/0] {56}                
 ¦   ¦--',': , [0/2] {58}                              
 ¦   ¦--expr: "b" [1/0] {60}                           
 ¦   ¦   °--STR_CONST: "b" [0/0] {59}                  
 ¦   ¦--',': , [0/4] {61}                              
 ¦   ¦--expr: 4:6 [0/0] {62}                           
 ¦   ¦   ¦--expr: 4 [0/0] {64}                         
 ¦   ¦   ¦   °--NUM_CONST: 4 [0/0] {63}                
 ¦   ¦   ¦--':': : [0/0] {65}                          
 ¦   ¦   °--expr: 6 [0/0] {67}                         
 ¦   ¦       °--NUM_CONST: 6 [0/0] {66}                
 ¦   °--')': ) [1/0] {68}                              
 ¦--expr: tribb [3/0] {69}                             
 ¦   ¦--expr: tribb [0/0] {71}                         
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: tribb [0/0] {70}     
 ¦   ¦--'(': ( [0/2] {72}                              
 ¦   ¦--expr: ~x [1/0] {73}                            
 ¦   ¦   ¦--'~': ~ [0/0] {74}                          
 ¦   ¦   °--expr: x [0/0] {76}                         
 ¦   ¦       °--SYMBOL: x [0/0] {75}                   
 ¦   ¦--',': , [0/7] {77}                              
 ¦   ¦--expr: ~d [0/0] {78}                            
 ¦   ¦   ¦--'~': ~ [0/0] {79}                          
 ¦   ¦   °--expr: d [0/0] {81}                         
 ¦   ¦       °--SYMBOL: d [0/0] {80}                   
 ¦   ¦--',': , [0/2] {82}                              
 ¦   ¦--expr: "axa' [1/0] {84}                         
 ¦   ¦   °--STR_CONST: "axa' [0/0] {83}                
 ¦   ¦--',': , [0/1] {85}                              
 ¦   ¦--expr: 1:6 [0/0] {86}                           
 ¦   ¦   ¦--expr: 1 [0/0] {88}                         
 ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {87}                
 ¦   ¦   ¦--':': : [0/0] {89}                          
 ¦   ¦   °--expr: 6 [0/0] {91}                         
 ¦   ¦       °--NUM_CONST: 6 [0/0] {90}                
 ¦   ¦--',': , [0/0] {92}                              
 ¦   ¦--expr: "b" [1/0] {94}                           
 ¦   ¦   °--STR_CONST: "b" [0/0] {93}                  
 ¦   ¦--',': , [0/6] {95}                              
 ¦   ¦--expr: 4:6 [0/0] {96}                           
 ¦   ¦   ¦--expr: 4 [0/0] {98}                         
 ¦   ¦   ¦   °--NUM_CONST: 4 [0/0] {97}                
 ¦   ¦   ¦--':': : [0/0] {99}                          
 ¦   ¦   °--expr: 6 [0/0] {101}                        
 ¦   ¦       °--NUM_CONST: 6 [0/0] {100}               
 ¦   °--')': ) [1/0] {102}                             
 ¦--expr: tribb [2/0] {103}                            
 ¦   ¦--expr: tribb [0/0] {105}                        
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: tribb [0/0] {104}    
 ¦   ¦--'(': ( [0/2] {106}                             
 ¦   ¦--expr: ~x [1/0] {107}                           
 ¦   ¦   ¦--'~': ~ [0/0] {108}                         
 ¦   ¦   °--expr: x [0/0] {110}                        
 ¦   ¦       °--SYMBOL: x [0/0] {109}                  
 ¦   ¦--',': , [0/7] {111}                             
 ¦   ¦--expr: ~d [0/0] {112}                           
 ¦   ¦   ¦--'~': ~ [0/0] {113}                         
 ¦   ¦   °--expr: d [0/0] {115}                        
 ¦   ¦       °--SYMBOL: d [0/0] {114}                  
 ¦   ¦--',': , [0/0] {116}                             
 ¦   ¦--expr: "axa' [1/0] {118}                        
 ¦   ¦   °--STR_CONST: "axa' [0/0] {117}               
 ¦   ¦--',': , [0/2] {119}                             
 ¦   ¦--expr: 1:6 [0/0] {120}                          
 ¦   ¦   ¦--expr: 1 [0/0] {122}                        
 ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {121}               
 ¦   ¦   ¦--':': : [0/0] {123}                         
 ¦   ¦   °--expr: 6 [0/0] {125}                        
 ¦   ¦       °--NUM_CONST: 6 [0/0] {124}               
 ¦   ¦--',': , [0/2] {126}                             
 ¦   ¦--expr: "b" [1/0] {128}                          
 ¦   ¦   °--STR_CONST: "b" [0/0] {127}                 
 ¦   ¦--',': , [0/6] {129}                             
 ¦   ¦--expr: 4:6 [0/0] {130}                          
 ¦   ¦   ¦--expr: 4 [0/0] {132}                        
 ¦   ¦   ¦   °--NUM_CONST: 4 [0/0] {131}               
 ¦   ¦   ¦--':': : [0/0] {133}                         
 ¦   ¦   °--expr: 6 [0/0] {135}                        
 ¦   ¦       °--NUM_CONST: 6 [0/0] {134}               
 ¦   °--')': ) [1/0] {136}                             
 ¦--COMMENT: # has [2/0] {137}                         
 °--expr: mlr3m [1/0] {138}                            
     ¦--expr: mlr3m [0/0] {139}                        
     ¦   ¦--SYMBOL_PACKAGE: mlr3m [0/0] {140}          
     ¦   ¦--NS_GET_INT: ::: [0/0] {141}                
     ¦   °--SYMBOL_FUNCTION_CALL: rowwi [0/0] {142}    
     ¦--'(': ( [0/2] {143}                             
     ¦--SYMBOL_SUB: x [1/1] {144}                      
     ¦--EQ_SUB: = [0/1] {145}                          
     ¦--expr: 23 [0/0] {147}                           
     ¦   °--NUM_CONST: 23 [0/0] {146}                  
     ¦--',': , [0/1] {148}                             
     ¦--SYMBOL_SUB: zy [0/1] {149}                     
     ¦--EQ_SUB: = [0/1] {150}                          
     ¦--expr: 3 [0/0] {152}                            
     ¦   °--NUM_CONST: 3 [0/0] {151}                   
     ¦--',': , [0/2] {153}                             
     ¦--SYMBOL_SUB: y [1/1] {154}                      
     ¦--EQ_SUB: = [0/1] {155}                          
     ¦--expr: 1 [0/0] {157}                            
     ¦   °--NUM_CONST: 1 [0/0] {156}                   
     ¦--',': , [0/2] {158}                             
     ¦--SYMBOL_SUB: k [0/1] {159}                      
     ¦--EQ_SUB: = [0/1] {160}                          
     ¦--expr: 1 [0/0] {162}                            
     ¦   °--NUM_CONST: 1 [0/0] {161}                   
     ¦--',': , [0/0] {163}                             
     °--')': ) [1/0] {164}                             
