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From: Oliver Schmidt <ol.sc@web.de>
Newsgroups: comp.sys.apple2.programmer
Subject: Re: Typo in ProDOS refTechMan
Date: Wed, 23 Aug 2023 07:38:54 -0000 (UTC)
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Colin Leroy-Mira <colin@colino.net> wrote:
> Hi,
> 
>> I think you're right.  What ProDOS does is add 3 bytes to the return
>> address to pass over the command-number and command-list-address, but
>> the effect is that execution continues 6 bytes after the start of the
>> JSR instruction.  I have read that page many times and never noticed
>> that, probably because I understood what was going on with the
>> return-address.
> 
> I only noticed it because I couldn't see it returning by looking for
> its return point when adding 3 to the address where it was called :)

I - pretty strongly - disagree. What JSR does is an implementation detail.
What the documentation wants to express is that MLI returns 3 bytes
"behind" what a "bare" JSR returns to. Putting a 6 there instead of a 3 is
plainly wrong.