[RSKPlaceholderTextView] [attributedPlaceholder] [didSet] Compare `foregroundColor` to `placeholderColor`.
[RSKPlaceholderTextView] [attributedPlaceholder] [didSet] Compare `foregroundColor` to `placeholderColor`.

ruslanskorb/RSKPlaceholderTextView,ruslanskorb/RSKPlaceholderTextView