From mboxrd@z Thu Jan  1 00:00:00 1970
From: Raghav Gururajan <rvgn@disroot.org>
Subject: Re: PLEASE! Input Attach Service
Date: Mon, 01 Jul 2019 14:13:52 -0400
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To: Tobias Geerinckx-Rice <me@tobias.gr>, Tim Gesthuizen <tim.gesthuizen@yahoo.de>
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> It's not what I'd naively expect, but sure.  Maybe the protocol 
> expects some kind of ACK and keeps retransmitting otherwise. 
> Maybe the protocol's weird.

Ah I see! The output was just tiny black circles with embedded question
mark.

> > Is this a good sign that my touch screen is
> > attached to serial port 4?
> 
> Yes!

Cool! Thanks.

Regards,
RG.