Re: Repeat Volta Bar Types

[Jim Long]

On Tue, Nov 11, 2014 at 11:50:40PM +0100, Thomas Morley wrote:
> > Lily by default doesn't engrave an open volta at the start of a
> > piece, or at a double-barline.  I don't know how many others do,
> > but I, for one, often override this.
> >
> > Both of these cases fail:
> >
> > \version "2.19.3"
> >
> > \layout {
> >   \context {
> >     \Score
> >     startRepeatType = #"||"
> >     endRepeatType = #"||"
> >     %% not needed in the minimal example
> >     %doubleRepeatType = #"||"
> >   }
> > }
> >
> > \score {
> >   \new Staff {
> > %    c'1
> >     \bar "||"
> >     \repeat volta 2 { c'1 c'1 }
> >   }
> > }
> >
> > \score {
> >   \new Staff {
> > %    c'1
> >     \bar ".|:"
> >     \repeat volta 2 { c'1 c'1 }
> >   }
> > }
> >
> >
> >
> 
> (Sorry for the last empty mail, misclicked.)
> 
> It's because \bar "||" will not print anything at line-begin.

Yes.  And perhaps because \bar ".|:" (intentionally?) does not
respect \Score.startRepeatType?

> Though consider the following:
> 
> \version "2.19.13"
> 
> \new Staff {
>   \bar ".|:" \repeat volta 2 { c'1 c'1 }
> }
> 
> #(define-bar-line "||-r" "||" "||" "||")
> 
> \score {
>   \new Staff {
>     \bar "||-r"
>     \repeat volta 2 { c'1 c'1 }
>   }
> 
>   \layout {
>     \context {
>       \Score
>       startRepeatType = #"||-r"
>       endRepeatType = #"||-r"
>       %% not needed in the minimal example
>       %doubleRepeatType = #"||-r"
>     }
>   }
> }

Thanks, Harm.  Hopefully that will solve the OP's needs more
reliably than the crude solution I suggested.

Cheers,

Jim