Dear David,
thanks for Your help!
Your code seems to work perfectly.
But I would like to know:
do I have to expect problems with this function?
You wrote
> The slur has no noteheads to attach itself to,
> though.
>
> On 17 September 2011 14:23, Stefan Thomas
> > <kontrapunktste...@googlemail.com> wrote:
> >> Dear community,
> >> I would like to define a variable with sheme and I want to substract the
> >> number one from this variable.
> >> I tried it with:
> >>
> >>> % the following defines a Slur, lasting a certain number of eigth-notes
> >>> xaS = #(define-music-function (parser location x) (number?)
> >>> ? #{ % in der folgenden Zeile Lilypondcode eingeben
> >>> ??? s1*0 (? \repeat unfold? #(- $x 1)? {s8 } s8)
> >>> #})
> >>
> >> Unfortunately without succes!
> >
> > This doesn't work since the unfold count argument isn't a scheme
> > number.
>
> In which case
>
> xaS = #(define-music-function (parser location x) (number?)
> #{ % in der folgenden Zeile Lilypondcode eingeben
> s1*0 ( \repeat unfold $(- x 1) {s8 } s8)
> #})
>
> should work just fine. The slur has no noteheads to attach itself to,
> though.
>
> --
> David Kastrup
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