What happens if you tag a Vernissage user in an image-less post here on Mastodon? Let's try with my account here: nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqsqgl76w265c4ktmfharzq7vh303adyyx0g5wzqexgfgnv77ugknqcrh7qx