ROOT (token: short_text [lag_newlines/spaces] {pos_id})
 ¦--expr: 1 :   [0/0] {1}                              
 ¦   ¦--expr: 1 [0/1] {3}                              
 ¦   ¦   °--NUM_CONST: 1 [0/0] {2}                     
 ¦   ¦--':': : [0/2] {4}                               
 ¦   °--expr: 4 [0/0] {6}                              
 ¦       °--NUM_CONST: 4 [0/0] {5}                     
 ¦--expr: 1:4 [2/0] {7}                                
 ¦   ¦--expr: 1 [0/0] {9}                              
 ¦   ¦   °--NUM_CONST: 1 [0/0] {8}                     
 ¦   ¦--':': : [0/0] {10}                              
 ¦   °--expr: 4 [0/0] {12}                             
 ¦       °--NUM_CONST: 4 [0/0] {11}                    
 ¦--expr: base  [2/0] {13}                             
 ¦   ¦--expr: base  [0/0] {14}                         
 ¦   ¦   ¦--SYMBOL_PACKAGE: base [0/1] {15}            
 ¦   ¦   ¦--NS_GET: :: [0/1] {16}                      
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: c [0/0] {17}         
 ¦   ¦--'(': ( [0/0] {18}                              
 ¦   °--')': ) [0/0] {19}                              
 ¦--expr: base: [2/0] {20}                             
 ¦   ¦--expr: base: [0/0] {21}                         
 ¦   ¦   ¦--SYMBOL_PACKAGE: base [0/0] {22}            
 ¦   ¦   ¦--NS_GET: :: [0/0] {23}                      
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: c [0/0] {24}         
 ¦   ¦--'(': ( [0/0] {25}                              
 ¦   °--')': ) [0/0] {26}                              
 ¦--expr: xyz:: [2/0] {27}                             
 ¦   ¦--expr: xyz:: [0/0] {28}                         
 ¦   ¦   ¦--SYMBOL_PACKAGE: xyz [0/0] {29}             
 ¦   ¦   ¦--NS_GET_INT: ::: [0/1] {30}                 
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: xy [0/0] {31}        
 ¦   ¦--'(': ( [0/0] {32}                              
 ¦   ¦--expr: 3 [0/0] {34}                             
 ¦   ¦   °--NUM_CONST: 3 [0/0] {33}                    
 ¦   °--')': ) [0/0] {35}                              
 °--expr: xyz:: [2/0] {36}                             
     ¦--expr: xyz:: [0/0] {37}                         
     ¦   ¦--SYMBOL_PACKAGE: xyz [0/0] {38}             
     ¦   ¦--NS_GET_INT: ::: [0/0] {39}                 
     ¦   °--SYMBOL_FUNCTION_CALL: xy [0/0] {40}        
     ¦--'(': ( [0/0] {41}                              
     ¦--expr: 3 [0/0] {43}                             
     ¦   °--NUM_CONST: 3 [0/0] {42}                    
     °--')': ) [0/0] {44}                              
