name

type CommonMark struct {
	// contains filtered or unexported fields
}

type Mark interface {
	// Change should change string
	// args:
	//   1. *string - string; a string to be changed
	// return:
	//   true iff. string was changed
	Change(*string) bool

	// Update should update mark based on other mark
	// args:
	//   1. Mark - mark; a mark on which update is based
	Update(Mark)
	// contains filtered or unexported methods
}