ROOT (token: short_text [lag_newlines/spaces] {pos_id})  
 ¦--COMMENT: # don [0/0] {1}                             
 ¦--expr: ggplo [1/0] {2}                                
 ¦   ¦--expr: ggplo [0/1] {3}                            
 ¦   ¦   ¦--expr: ggplo [0/0] {5}                        
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {4}    
 ¦   ¦   ¦--'(': ( [0/0] {6}                             
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {7}                   
 ¦   ¦   ¦--EQ_SUB: = [0/1] {8}                          
 ¦   ¦   ¦--expr: mtcar [0/0] {10}                       
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {9}                  
 ¦   ¦   ¦--',': , [0/1] {11}                            
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {12}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {13}                         
 ¦   ¦   ¦--expr: aes(x [0/0] {14}                       
 ¦   ¦   ¦   ¦--expr: aes [0/0] {16}                     
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {15} 
 ¦   ¦   ¦   ¦--'(': ( [0/0] {17}                        
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {18}                 
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {19}                     
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {21}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {20}               
 ¦   ¦   ¦   ¦--',': , [0/1] {22}                        
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {23}                 
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {24}                     
 ¦   ¦   ¦   ¦--expr: vs [0/0] {26}                      
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {25}                
 ¦   ¦   ¦   °--')': ) [0/0] {27}                        
 ¦   ¦   °--')': ) [0/0] {28}                            
 ¦   ¦--'+': + [0/2] {29}                                
 ¦   °--expr: geom_ [1/0] {30}                           
 ¦       ¦--expr: geom_ [0/0] {32}                       
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {31}   
 ¦       ¦--'(': ( [0/0] {33}                            
 ¦       °--')': ) [0/0] {34}                            
 ¦--COMMENT: # add [3/0] {35}                            
 ¦--expr: ggplo [1/0] {36}                               
 ¦   ¦--expr: ggplo [0/1] {37}                           
 ¦   ¦   ¦--expr: ggplo [0/0] {39}                       
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {38}   
 ¦   ¦   ¦--'(': ( [0/0] {40}                            
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {41}                  
 ¦   ¦   ¦--EQ_SUB: = [0/1] {42}                         
 ¦   ¦   ¦--expr: mtcar [0/0] {44}                       
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {43}                 
 ¦   ¦   ¦--',': , [0/1] {45}                            
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {46}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {47}                         
 ¦   ¦   ¦--expr: aes(x [0/0] {48}                       
 ¦   ¦   ¦   ¦--expr: aes [0/0] {50}                     
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {49} 
 ¦   ¦   ¦   ¦--'(': ( [0/0] {51}                        
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {52}                 
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {53}                     
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {55}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {54}               
 ¦   ¦   ¦   ¦--',': , [0/1] {56}                        
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {57}                 
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {58}                     
 ¦   ¦   ¦   ¦--expr: vs [0/0] {60}                      
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {59}                
 ¦   ¦   ¦   °--')': ) [0/0] {61}                        
 ¦   ¦   °--')': ) [0/0] {62}                            
 ¦   ¦--'+': + [0/1] {63}                                
 ¦   °--expr: geom_ [0/0] {64}                           
 ¦       ¦--expr: geom_ [0/0] {66}                       
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {65}   
 ¦       ¦--'(': ( [0/0] {67}                            
 ¦       °--')': ) [0/0] {68}                            
 ¦--COMMENT: # add [3/0] {69}                            
 ¦--expr: ggplo [1/0] {70}                               
 ¦   ¦--expr: ggplo [0/1] {71}                           
 ¦   ¦   ¦--expr: ggplo [0/0] {72}                       
 ¦   ¦   ¦   ¦--SYMBOL_PACKAGE: ggplo [0/0] {73}         
 ¦   ¦   ¦   ¦--NS_GET: :: [0/0] {74}                    
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {75}   
 ¦   ¦   ¦--'(': ( [0/0] {76}                            
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {77}                  
 ¦   ¦   ¦--EQ_SUB: = [0/1] {78}                         
 ¦   ¦   ¦--expr: mtcar [0/0] {80}                       
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {79}                 
 ¦   ¦   ¦--',': , [0/1] {81}                            
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {82}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {83}                         
 ¦   ¦   ¦--expr: aes(x [0/0] {84}                       
 ¦   ¦   ¦   ¦--expr: aes [0/0] {86}                     
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {85} 
 ¦   ¦   ¦   ¦--'(': ( [0/0] {87}                        
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {88}                 
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {89}                     
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {91}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {90}               
 ¦   ¦   ¦   ¦--',': , [0/1] {92}                        
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {93}                 
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {94}                     
 ¦   ¦   ¦   ¦--expr: vs [0/0] {96}                      
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {95}                
 ¦   ¦   ¦   °--')': ) [0/0] {97}                        
 ¦   ¦   °--')': ) [0/0] {98}                            
 ¦   ¦--'+': + [0/1] {99}                                
 ¦   °--expr: geom_ [0/0] {100}                          
 ¦       ¦--expr: geom_ [0/0] {102}                      
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {101}  
 ¦       ¦--'(': ( [0/0] {103}                           
 ¦       °--')': ) [0/0] {104}                           
 ¦--COMMENT: # add [2/0] {105}                           
 ¦--expr: ggplo [1/0] {106}                              
 ¦   ¦--expr: ggplo [0/1] {107}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {109}                      
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {108}  
 ¦   ¦   ¦--'(': ( [0/0] {110}                           
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {111}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {112}                        
 ¦   ¦   ¦--expr: mtcar [0/0] {114}                      
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {113}                
 ¦   ¦   ¦--',': , [0/1] {115}                           
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {116}                
 ¦   ¦   ¦--EQ_SUB: = [0/1] {117}                        
 ¦   ¦   ¦--expr: aes(x [0/0] {118}                      
 ¦   ¦   ¦   ¦--expr: aes [0/0] {120}                    
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {119}
 ¦   ¦   ¦   ¦--'(': ( [0/0] {121}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {122}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {123}                    
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {125}                    
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {124}              
 ¦   ¦   ¦   ¦--',': , [0/1] {126}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {127}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {128}                    
 ¦   ¦   ¦   ¦--expr: vs [0/0] {130}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {129}               
 ¦   ¦   ¦   °--')': ) [0/0] {131}                       
 ¦   ¦   °--')': ) [0/0] {132}                           
 ¦   ¦--'+': + [0/1] {133}                               
 ¦   °--expr: ggplo [0/0] {134}                          
 ¦       ¦--expr: ggplo [0/0] {135}                      
 ¦       ¦   ¦--SYMBOL_PACKAGE: ggplo [0/0] {136}        
 ¦       ¦   ¦--NS_GET: :: [0/0] {137}                   
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {138}  
 ¦       ¦--'(': ( [0/0] {139}                           
 ¦       °--')': ) [0/0] {140}                           
 ¦--COMMENT: # add [2/0] {141}                           
 ¦--expr: ggplo [1/0] {142}                              
 ¦   ¦--expr: ggplo [0/1] {144}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {146}                      
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {145}  
 ¦   ¦   ¦--'(': ( [0/0] {147}                           
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {148}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {149}                        
 ¦   ¦   ¦--expr: mtcar [0/0] {151}                      
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {150}                
 ¦   ¦   ¦--',': , [0/1] {152}                           
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {153}                
 ¦   ¦   ¦--EQ_SUB: = [0/1] {154}                        
 ¦   ¦   ¦--expr: aes(x [0/0] {155}                      
 ¦   ¦   ¦   ¦--expr: aes [0/0] {157}                    
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {156}
 ¦   ¦   ¦   ¦--'(': ( [0/0] {158}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {159}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {160}                    
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {162}                    
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {161}              
 ¦   ¦   ¦   ¦--',': , [0/1] {163}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {164}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {165}                    
 ¦   ¦   ¦   ¦--expr: vs [0/0] {167}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {166}               
 ¦   ¦   ¦   °--')': ) [0/0] {168}                       
 ¦   ¦   °--')': ) [0/0] {169}                           
 ¦   ¦--'+': + [0/1] {170}                               
 ¦   ¦--COMMENT: # com [0/2] {171}                       
 ¦   ¦--expr: ggplo [1/1] {172}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {173}                      
 ¦   ¦   ¦   ¦--SYMBOL_PACKAGE: ggplo [0/0] {174}        
 ¦   ¦   ¦   ¦--NS_GET: :: [0/0] {175}                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {176}  
 ¦   ¦   ¦--'(': ( [0/0] {177}                           
 ¦   ¦   °--')': ) [0/0] {178}                           
 ¦   ¦--'+': + [0/1] {179}                               
 ¦   °--expr: g() [0/0] {180}                            
 ¦       ¦--expr: g [0/0] {182}                          
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: g [0/0] {181}      
 ¦       ¦--'(': ( [0/0] {183}                           
 ¦       °--')': ) [0/0] {184}                           
 ¦--COMMENT: # add [3/0] {185}                           
 ¦--expr: ggplo [1/1] {186}                              
 ¦   ¦--expr: ggplo [0/1] {188}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {190}                      
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {189}  
 ¦   ¦   ¦--'(': ( [0/0] {191}                           
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {192}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {193}                        
 ¦   ¦   ¦--expr: mtcar [0/0] {195}                      
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {194}                
 ¦   ¦   ¦--',': , [0/1] {196}                           
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {197}                
 ¦   ¦   ¦--EQ_SUB: = [0/1] {198}                        
 ¦   ¦   ¦--expr: aes(x [0/0] {199}                      
 ¦   ¦   ¦   ¦--expr: aes [0/0] {201}                    
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {200}
 ¦   ¦   ¦   ¦--'(': ( [0/0] {202}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {203}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {204}                    
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {206}                    
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {205}              
 ¦   ¦   ¦   ¦--',': , [0/1] {207}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {208}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {209}                    
 ¦   ¦   ¦   ¦--expr: vs [0/0] {211}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {210}               
 ¦   ¦   ¦   °--')': ) [0/0] {212}                       
 ¦   ¦   °--')': ) [0/0] {213}                           
 ¦   ¦--'+': + [0/2] {214}                               
 ¦   ¦--expr: ggplo [1/1] {215}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {216}                      
 ¦   ¦   ¦   ¦--SYMBOL_PACKAGE: ggplo [0/0] {217}        
 ¦   ¦   ¦   ¦--NS_GET: :: [0/0] {218}                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {219}  
 ¦   ¦   ¦--'(': ( [0/0] {220}                           
 ¦   ¦   °--')': ) [0/0] {221}                           
 ¦   ¦--'+': + [0/1] {222}                               
 ¦   °--expr: g() [0/0] {223}                            
 ¦       ¦--expr: g [0/0] {225}                          
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: g [0/0] {224}      
 ¦       ¦--'(': ( [0/0] {226}                           
 ¦       °--')': ) [0/0] {227}                           
 ¦--COMMENT: # com [0/0] {228}                           
 ¦--COMMENT: # add [2/0] {229}                           
 ¦--expr: ggplo [1/1] {230}                              
 ¦   ¦--expr: ggplo [0/1] {232}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {234}                      
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {233}  
 ¦   ¦   ¦--'(': ( [0/0] {235}                           
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {236}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {237}                        
 ¦   ¦   ¦--expr: mtcar [0/0] {239}                      
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {238}                
 ¦   ¦   ¦--',': , [0/1] {240}                           
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {241}                
 ¦   ¦   ¦--EQ_SUB: = [0/1] {242}                        
 ¦   ¦   ¦--expr: aes(x [0/0] {243}                      
 ¦   ¦   ¦   ¦--expr: aes [0/0] {245}                    
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {244}
 ¦   ¦   ¦   ¦--'(': ( [0/0] {246}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {247}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {248}                    
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {250}                    
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {249}              
 ¦   ¦   ¦   ¦--',': , [0/1] {251}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {252}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {253}                    
 ¦   ¦   ¦   ¦--expr: vs [0/0] {255}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {254}               
 ¦   ¦   ¦   °--')': ) [0/0] {256}                       
 ¦   ¦   °--')': ) [0/0] {257}                           
 ¦   ¦--'+': + [0/1] {258}                               
 ¦   ¦--expr: ggplo [0/1] {259}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {260}                      
 ¦   ¦   ¦   ¦--SYMBOL_PACKAGE: ggplo [0/0] {261}        
 ¦   ¦   ¦   ¦--NS_GET: :: [0/0] {262}                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {263}  
 ¦   ¦   ¦--'(': ( [0/0] {264}                           
 ¦   ¦   °--')': ) [0/0] {265}                           
 ¦   ¦--'+': + [0/1] {266}                               
 ¦   °--expr: g() [0/0] {267}                            
 ¦       ¦--expr: g [0/0] {269}                          
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: g [0/0] {268}      
 ¦       ¦--'(': ( [0/0] {270}                           
 ¦       °--')': ) [0/0] {271}                           
 ¦--COMMENT: # com [0/0] {272}                           
 ¦--COMMENT: # add [3/0] {273}                           
 ¦--expr: ggplo [1/1] {274}                              
 ¦   ¦--expr: ggplo [0/1] {277}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {279}                      
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: ggplo [0/0] {278}  
 ¦   ¦   ¦--'(': ( [0/0] {280}                           
 ¦   ¦   ¦--SYMBOL_SUB: data [0/1] {281}                 
 ¦   ¦   ¦--EQ_SUB: = [0/1] {282}                        
 ¦   ¦   ¦--expr: mtcar [0/0] {284}                      
 ¦   ¦   ¦   °--SYMBOL: mtcar [0/0] {283}                
 ¦   ¦   ¦--',': , [0/1] {285}                           
 ¦   ¦   ¦--SYMBOL_SUB: mappi [0/1] {286}                
 ¦   ¦   ¦--EQ_SUB: = [0/1] {287}                        
 ¦   ¦   ¦--expr: aes(x [0/0] {288}                      
 ¦   ¦   ¦   ¦--expr: aes [0/0] {290}                    
 ¦   ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: aes [0/0] {289}
 ¦   ¦   ¦   ¦--'(': ( [0/0] {291}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: x [0/1] {292}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {293}                    
 ¦   ¦   ¦   ¦--expr: mpg [0/0] {295}                    
 ¦   ¦   ¦   ¦   °--SYMBOL: mpg [0/0] {294}              
 ¦   ¦   ¦   ¦--',': , [0/1] {296}                       
 ¦   ¦   ¦   ¦--SYMBOL_SUB: y [0/1] {297}                
 ¦   ¦   ¦   ¦--EQ_SUB: = [0/1] {298}                    
 ¦   ¦   ¦   ¦--expr: vs [0/0] {300}                     
 ¦   ¦   ¦   ¦   °--SYMBOL: vs [0/0] {299}               
 ¦   ¦   ¦   °--')': ) [0/0] {301}                       
 ¦   ¦   °--')': ) [0/0] {302}                           
 ¦   ¦--'+': + [0/2] {303}                               
 ¦   ¦--expr: ggplo [1/1] {304}                          
 ¦   ¦   ¦--expr: ggplo [0/0] {305}                      
 ¦   ¦   ¦   ¦--SYMBOL_PACKAGE: ggplo [0/0] {306}        
 ¦   ¦   ¦   ¦--NS_GET: :: [0/0] {307}                   
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {308}  
 ¦   ¦   ¦--'(': ( [0/0] {309}                           
 ¦   ¦   °--')': ) [0/0] {310}                           
 ¦   ¦--'+': + [0/1] {311}                               
 ¦   ¦--expr: g() [0/2] {312}                            
 ¦   ¦   ¦--expr: g [0/0] {314}                          
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: g [0/0] {313}      
 ¦   ¦   ¦--'(': ( [0/0] {315}                           
 ¦   ¦   °--')': ) [0/0] {316}                           
 ¦   ¦--'+': + [0/1] {317}                               
 ¦   °--expr: geom_ [0/0] {318}                          
 ¦       ¦--expr: geom_ [0/0] {320}                      
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: geom_ [0/0] {319}  
 ¦       ¦--'(': ( [0/0] {321}                           
 ¦       °--')': ) [0/0] {322}                           
 ¦--COMMENT: # com [0/0] {323}                           
 ¦--COMMENT: # whe [2/0] {324}                           
 ¦--expr: x[1]+ [1/0] {325}                              
 ¦   ¦--expr: x[1] [0/0] {326}                           
 ¦   ¦   ¦--expr: x [0/0] {328}                          
 ¦   ¦   ¦   °--SYMBOL: x [0/0] {327}                    
 ¦   ¦   ¦--'[': [ [0/0] {329}                           
 ¦   ¦   ¦--expr: 1 [0/0] {331}                          
 ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {330}                 
 ¦   ¦   °--']': ] [0/0] {332}                           
 ¦   ¦--'+': + [0/1] {333}                               
 ¦   °--expr: c() [0/0] {334}                            
 ¦       ¦--expr: c [0/0] {336}                          
 ¦       ¦   °--SYMBOL_FUNCTION_CALL: c [0/0] {335}      
 ¦       ¦--'(': ( [0/0] {337}                           
 ¦       °--')': ) [0/0] {338}                           
 ¦--expr: g() + [2/0] {339}                              
 ¦   ¦--expr: g() [0/1] {340}                            
 ¦   ¦   ¦--expr: g [0/0] {342}                          
 ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: g [0/0] {341}      
 ¦   ¦   ¦--'(': ( [0/0] {343}                           
 ¦   ¦   °--')': ) [0/0] {344}                           
 ¦   ¦--'+': + [0/1] {345}                               
 ¦   °--expr: x[1] [0/0] {346}                           
 ¦       ¦--expr: x [0/0] {348}                          
 ¦       ¦   °--SYMBOL: x [0/0] {347}                    
 ¦       ¦--'[': [ [0/0] {349}                           
 ¦       ¦--expr: 1 [0/0] {351}                          
 ¦       ¦   °--NUM_CONST: 1 [0/0] {350}                 
 ¦       °--']': ] [0/0] {352}                           
 °--expr: g()[2 [2/0] {353}                              
     ¦--expr: g()[2 [0/1] {354}                          
     ¦   ¦--expr: g() [0/0] {355}                        
     ¦   ¦   ¦--expr: g [0/0] {357}                      
     ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: g [0/0] {356}  
     ¦   ¦   ¦--'(': ( [0/0] {358}                       
     ¦   ¦   °--')': ) [0/0] {359}                       
     ¦   ¦--'[': [ [0/0] {360}                           
     ¦   ¦--expr: 2 [0/0] {362}                          
     ¦   ¦   °--NUM_CONST: 2 [0/0] {361}                 
     ¦   °--']': ] [0/0] {363}                           
     ¦--'+': + [0/1] {364}                               
     °--expr: x[1] [0/0] {365}                           
         ¦--expr: x [0/0] {367}                          
         ¦   °--SYMBOL: x [0/0] {366}                    
         ¦--'[': [ [0/0] {368}                           
         ¦--expr: 1 [0/0] {370}                          
         ¦   °--NUM_CONST: 1 [0/0] {369}                 
         °--']': ] [0/0] {371}                           
