)).await.stack()?;
	Ok(())
}

/// Send the sender's subscription list to the chat.
///
/// Retrieves the message sender's user ID, obtains their subscription list from `core`,
/// and sends the resulting reply into the message chat using MarkdownV2.
pub async fn list (core: &Core, msg: &Message) -> Result<()> {
	let sender = msg.sender.get_user_id()
		.stack_err("Ignoring unreal users.")?;
	let reply = core.list(sender).await.stack()?;
	core.tg.send(MyMessage::html_to(reply, msg.chat.get_id())).await.stack()?;
	Ok(())
}