Re: 2.23.81 new D.S. code

[Jean Abou Samra]

Le 15/11/2022 à 22:41, Paul Scott a écrit :
> On 11/15/22 1:57 PM, Jean Abou Samra wrote:
> > Le 15/11/2022 à 21:50, Paul Scott a écrit :
> > > What about creating all the parts for a score? I certainly don't 
> > > want to type all the common structure in each part.
> >
> >
> >
> > It is really that troublesome? It's the way it's intended to be used.
> Can you show me where the documentation says that?



The first sentence of
https://lilypond.org/doc/v2.23/Documentation/notation/long-repeats.html#simple-repeats
is

"This is the syntax for a repeat without variation:

   \repeat volta repeatcount musicexpr 

where musicexpr is the music expression to be repeated."

Note: "musicexpr is the music expression to be repeated".
Implying that \repeat volta { ... } in a "timing" variable
is trying to repeat a sequence of spacer rests.

Afterwards:

|"\repeat segno| differs from |\repeat volta| only in the resulting 
notation."

I do agree that the recommendation against differing repeat
structures is not blindingly obvious, and this is partly
the topic of this issue:

https://gitlab.com/lilypond/lilypond/-/issues/6373

where you can see that one doc example was accidentally using
differing repeat structures, and it broke in the course of
the 2.23 series.

And I was already worried about compatibility back then ...



> > You will find that \section and \fine only affect their staff,
> I have already NOT found that.
> > so you're already forced to duplicate those. 
>
> No.



Try

\version "2.23.81"

<<
  \new Staff { c'1 \section }
  \new Staff { c'1 }
>>

and you will see that only the first staff has a double
bar line.

So, this won't work:


\version "2.23.81"

timing = {
  s1
  \section
}

<<
  \new Staff << \timing { c'1 } >>
  \new Staff { c'1 }
>>


Although this *will* work (and is supported):


\version "2.23.81"

timing = {
  s1
  \section
}

<<
  \new Staff << \timing { c'1 } >>
  \new Staff << \timing { c'1 } >>
>>

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