Ah yes, Christof is right.

On Jan 23, 2021, at 11:06 AM, pd-list-request@lists.iem.at wrote:

Message: 4
Date: Sat, 23 Jan 2021 11:06:48 +0100
From: Christof Ressi <info@christofressi.com>
To: Pd-List <pd-list@lists.iem.at>
Subject: Re: [PD] Patch change via midi
Message-ID: <1fb289ac-d3ed-291b-b1e3-3922534158ac@christofressi.com>
Content-Type: text/plain; charset="windows-1252"; Format="flowed"

use [switch~ 1] 
This rather sets the block size to 1 :-) You have to send a [1( message 
with [loadbang] instead.

--------
Dan Wilcox
@danomatika
danomatika.com
robotcowboy.com