Hi Dirk,

> Do they look OK if you omit this line:
> 
> Space: -3 -2 -2 -2 -2 +3

that doesn't change this problem. Playing a bit further, however, I just
found out that omitting the line

Size: 16 16 20

seems to help. So it looks as if the height or the upper ending position
of the bracket gets messed up when there are different staff sizes - it
also looks OK when I change the overall size to 16 with

Size: 16

However, I don't understand why the bracket is too high although it is
already in the larger staff sizes.

> If so, the problem would be that the TeX code emitted by
> \mtxGroup does not take into account the settings implied
> by the \mtxInterInstrument commands before it.

Interesting idea. Normally it seems to work. But I don't know how the
change in staff sizes is organized. Could there be a problem with the
context of the dimension \Interligne ?

> I won't be able to help any further in that case, apart from
> quoting from mtx.tex:
> 
> % All TeX commands put directly into PMX files by M-Tx are defined below,
> %   except the following:
> % 1. \input mtx
> % 2. code to achieve a multi-bar rest
> % 3. User's own inline TeX
> % 4. \mtxversion and \mtxdate are defined in prepmx itself
> % 5. Utterly basic TeX commands like "\ " and "%"
> % It is therefore possible for a TeXpert to tune the performance
> %   of M-Tx without touching the preprocessor.
> 
> Thus, it is quite possible that the problem could be fixed by
> changing some macros in mtx.tex.
> 
> Unfortunately, in the 11 years since I last revised mtx.tex, all
> the necessary musixtex skills that I presumably must have
> had at the time, have evaporated.

I never got deep enough into musixtex to know how the positioning is
done and can be modified...

Thanks for the hints,
Simon

> 2014-09-21 18:17 GMT+02:00 Simon Dreher <[email protected]>:
>> Hi,
>>
>> in the attached m-tx source, the bracket in front of the chorals staves
>> starts too high and is too large. Does anyone have an idea why and how
>> to fix it?

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