[From string (line 8) ]                     
                                            
@startuml                                   
                                            
                                            
                                            
                                            
                                            
                                            
node "mynode" {                             
  [Component1]𝟎[Component2]𝟎[Component3]𝟎   
^^^^^                                       
 Syntax Error? (Assumed diagram type: class)