nl_tokens: If a value could have properties and has none this function is called which returns a string representation of the empty value .
pl_tokens: function emptyRepresentation ( value , type ) { type = type || getType ( value ) ; switch ( type ) { <mask> 'function' : return '[Function]' ; case 'object' : return '{}' ; case 'array' : return '[]' ; default : return value . toString ( ) ; } }