assert m.invite_by(matrix_invite) == '#roomy-room:donp.org'

		assert m.invited_by(matrix_invite) == '#roomy-room:donp.org'

		assert m.invite_by(matrix_invite) == '@donp:donp.org'

		assert m.invited_by(matrix_invite) == '@donp:donp.org'

	user_part := ''
	if user_id.len > 0 {
		'?user_id=$user_id'
	}

	user_part := if user_id.len > 0 { '?user_id=$user_id' } else { '' }

			'NICK' {
				//[':donpdonp|z_!~donp@1.2.3.4', 'NICK', ' :donpdonp|z', 'donpdonp|z']
			}