Re: Double thin bar lines and repeats?

[Flaming Hakama by Elaine]

%{

From: Lars-Johan Liman <address@hidden>
Subject: Double thin bar lines and repeats?
 
> However, I'm trying to end a section of piano music with thin double bar
> lines, break the line, and then start the next line with repeat marks. I
> cannot make it work. Any hints?

The trick is to define a missing barline definition.

What is not obvious is that each barline definition has a few cases.
These correspond to how it is treated before a line break, in the middle of a line, and after a line break.
http://www.lilypond.org/doc/v2.19/Documentation/notation/bars

So, you'll want to define a repeat barline that prints as a double bar line at the end of the preceding line.
Then you need to use that barline explicitly for your volta.

Here is the one I use, which does the same thing except it also uses the bigger flags "[|:".
You can probably fiddle with that part of it to get what you want, if you want no flags on the repeat.

%}

\version "2.18.0"

%  The missing definition.
\defineBarLine "||.[|:" #'("||" "[|:" "")
 
\new PianoStaff <<
 
  \new Staff { \clef treble \key c\major \time 4/4

    %  No need to add the barline at the end here, since it is being covered by the new repeat.
    <g c' e'> <a c' f'> <g c' e'> <a c' f'>
                                             %\bar "||" |
                                                          \break

    %  Use your barline here
    \bar "||.[|:"

    \repeat volta 2 {
      <g c' e'> <a c' f'> <g c' e'> <a c' f'> |
    }

    %  If you like the big flags, use the corresponding end repeat here.
    \bar ":|]"
  }

  \new Staff { \clef bass \key c\major \time 4/4
    <c, c>4 <d, d> <c, c>4 <d, d> |
    <c, c>4 <d, d> <c, c>4 <d, d> |
  }

>>

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> it may well be according to modern typesetting standards, but I'm trying
> to facsimile copy some 100-year-old notes which are brittle and barely
> legible, and they have this very "feature" in them - so "not my fault!" :-)
>
>                                 Cheers,
>                                   /Lars-Johan Liman

You are certainly not doing anything wrong.
I would argue that behavior should be the default.

Does anyone know if there is a way to change the default barlines used for voltas?

%}

HTH,

David Elaine Alt

415 . 341 .4954                                           "Confusion is highly underrated"

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