It is the preview of the message because you’re constructing it in a way this world be incredibly difficult for a client to parse all this ambiguous text into something sensible
Check out hodlbod (npub1jlr…ynqn) ‘s coracle or Mike Dilger ☑️ (npub1acg…p35c) ‘a gossip to see how they allow you to, natively, add/remove p tags
