@Steve > So far as I’m aware, cryptographic deniability is still fully functional. But it does not have many real-world applications either, that's my understanding.
Quoted from the words of one of the contributor of Signal.
It's possible to quote a block of text in chat by preceding it with a greater-than sign and a space:
> I've got a lovely bunch of coconuts
This produces a nice vertical dotted line in the message.
However, that's not specified in the chat FAQ. I think it should be added.