Not that I remember anything about the detail, but looking at the TeX that PMX 
generates, it appears to use \xchangecontext rather than \Changecontext to 
activate the key change. Furthermore, searching thru the PMX source code, it 
doesn’t ever use \Changecontext. However, I still don’t know exactly what image 
Jean-Pierre was trying to create when he first generated the error, since he 
hasn’t yet provided such an image.

 

--Don

 

From: TeX-Music <tex-music-bounces+dsimons=roadrunner....@tug.org> On Behalf Of 
Bob Tennent
Sent: Friday, August 11, 2023 2:49 PM
To: Werner Icking Music Archive <tex-music@tug.org>
Subject: Re: [Tex-music] check@staff ... specified range

 

This suggests that PMX doesn't invoke the buggy code in musixtex.tex.

 

On Fri, Aug 11, 2023 at 2:12 PM <dsim...@roadrunner.com 
<mailto:dsim...@roadrunner.com> > wrote:

Jean-Pierre--

The attached image roughly reproduces your most recent 1-instrument image,
but with an added instrument above with only blank rests. It came from this
file:

========================
3 2 3 4 3 4 0 1
1 2 20 0


ttt
./
AS0-
f24 za zc zd g-4 zb zd | b zd b zd g- zb | a2 zc ,g zb | b4 zd b zd g- zb /
a45x3 d- c a+x3 d- c g+x3 d b | b+8 d- b+ d- g d | a+ d- a+ d- g d |
  b+ d- b+ d- g d /
rbd2 | rbd | rbd | rbd /
K+0+3
Rd
a44 zc d- g zb | d d- b+ | d d- a+ /
a85 d- a+ d- g d | b+ d- b+ d- g d | b+ d- b+ d- g d /
rbd2 | rbd | rbd /
Rl
Cb
dd23 zd- | rp Rr /
a85 a- d a f+ a- | a+ f d a f d /
rb2d | rbd /
=========================

However, I'm still not clear on exactly what you were trying to create when
you generated the error. The two different versions of your tex file that do
work produce two different images. I wanted to create a PMX file that tries
to do EXACTLY what you were trying to do when you generated the error.

--Don

> -----Original Message-----
> From: TeX-Music <tex-music-bounces+dsimons=roadrunner....@tug.org 
> <mailto:roadrunner....@tug.org> >
> On Behalf Of Jean-Pierre Coulon
> Sent: Friday, August 11, 2023 10:30 AM
> To: Werner Icking Music Archive <tex-music@tug.org <mailto:tex-music@tug.org> 
> >
> Subject: Re: [Tex-music] check@staff ... specified range
> 
> On Fri, 11 Aug 2023, dsim...@roadrunner.com <mailto:dsim...@roadrunner.com>  
> wrote:
> 
> > Jean-Pierre, could you post a .tex file that works and shows exactly
> > what you want? I'm trying to reproduce whatever your problem is with a
> > PMX-generated file, and so far cannot recreate the problem. The
> > following PMX file runs fine:
> 
> If you change \generalsignature3\Changecontext into \bar in my example it
> works.
> 
> If you say \instrumentnumbers1 instead of 2 it works too. See my pdf.
> 
> Please post the pdf output of your PMX.
> 
> --
> Jean-Pierre Coulon
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