So many greetings guys, you' ve solved a lot of my problems.

Both solutions work very well.

Thanks again and all the best.

Paolo




Il giorno sab 2 mar 2019 alle ore 13:41 Aaron Hill <lilyp...@hillvisions.com>
ha scritto:

> On 2019-03-02 4:38 am, Malte Meyn wrote:
> > Am 02.03.19 um 13:34 schrieb Aaron Hill:
> >> %%%%
> >>    $@(map eval-string '("voiceA" "voiceB"))
> >> %%%%
> >>
> >> That should work too, I think.
> >
> > Wow, that’s cool! I think I have seen $@ in the past but I didn’t know
> > what it does ;) That should be enclosed in << >> though for Paolo’s
> > use case:
> >
> > <<
> >   $@(map eval-string '("voiceA" "voiceB"))
> >>>
>
> Correct.  I should have included a full snippet for clarity.
>
>  From Extending:
>
> "A further convenience can be the ‘list splicing’ operators $@ and #@
> for inserting the elements
> of a list in the surrounding context."
>
> -- Aaron Hill
>
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> lilypond-user@gnu.org
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