That would make them stand out more clearly in a search:

I suggest only dong this for Spice Symbols in the **System** library until there is some way of verifying user contributed symbols (because most of them do not work in simulations).
            
                        
            
                                    
              
                Chrome
                  78.0.3904.108
                Windows
                  10
                                EasyEDA
                  6.2.46