Re: still a cue problem

[Han-Wen Nienhuys]

address@hidden writes:
> 
> > The shift of the rest is not due to the empty group but because
> > of the \voiceOne and \voiceTwo that are applied to the first and
> > second voice of the << {...} \\ {...} >> construct.
> > Among others, the \voiceOne macro does
> > \override MultiMeasureRest #'staff-position = #4
> 
> Thanks for the explanation.
> 
> > So, it's not only a matter of ignoring the empty group, it's also a
> > matter of applying different property settings to another Voice.
> > However, if you are happy with the default centered rest position
> > also in the parts with cue notes, then you could do
> > << {\revert MultiMeasureRest #'staff-position R1 } \\
> >     {possible cue notes }>>
> 
> Unfortunately, this is not acceptable.  I still wonder whether it is
> possible to make
> 
>   << { ... } \\ { } >>
> 
> equivalent to
> 
>   { ... }
> 
> this is, to prevent creation of \voiceOne and \voiceTwo at all.  I can
> imagine that this is handled as a special exception to the normal
> parsing rules -- the assumption is of course that an empty group
> within << >> isn't used for other purposes.

No, this is a broken solution.   The proper solution would be to
make a  \quoteDuring music function 

  \quoteDuring #"trp" { ..music.. }

which is expanded to << \quote \\ ..music.. > or  { music }
by means of a music function. This function would work similar to the
expansion of  \\ .


-- 

 Han-Wen Nienhuys   |   address@hidden   |   http://www.xs4all.nl/~hanwen