Re: sectionLabel dropped by segno repeat

[Jean Abou Samra]

Le mardi 25 avril 2023 à 23:15 +0200, Stephan Schöll a écrit :

Hi all

Happily using the segno repeat feature newly introduced I stumbled upon this:

--- A \version "2.25.4"

\relative {    \sectionLabel "A"    c'1

   \sectionLabel "B"    \repeat segno 2 {      f \fine

     \sectionLabel "C"      g a \section    } }

versus --- B

\version "2.25.4"

\relative {    \sectionLabel "A"    c'1

   \sectionLabel "B"    \repeat segno 2 {      f \fine

     \sectionLabel "C"      g a \section    } }

In A) section label "B" is printed, but no segno at the same position, and in the "D.S. % al fine' the segno is omitted as well,

warning: discarding event: `segno-mark-event'

   \repeat segno 2 {

whereas in B) the segno is printed at bar 2 as well as in the "D.S. % al fine" markup, but the section label "B" is omitted

warning: discarding event: `section-label-event'

     \sectionLabel "B"

Why do they override eachother? I'd like to keep both - the section label letter for the orientation in a piece containing quite a couple of sections (all with letters), and the segno to indicate the repeat.

Your examples A and B are identical. I assume this is a copy-paste accident.

To understand why \sectionLabel and a segno sign conflict, you can observe this example:

\version "2.25.4"

{
  c'1
  \repeat segno 2 {
    c'1 c'1
    \alternative {
      \volta 1 {
        c'1 c'1
      }
    }
  }
  \sectionLabel "Coda"
  c'1
}

{
  c'1
  \repeat segno 2 {
    c'1 c'1
    \alternative {
      \volta 1 {
        c'1 c'1
      }
    }
  }
  \repeat segno 2 {
    c'1 c'1
  }
}

However, your section labels don't sound like section labels. Rather, they are rehearsal marks. If you replace them with actual rehearsal marks, it works fine:

\version "2.25.4"

\relative {
   \mark \default
   c'1

   \mark \default
   \repeat segno 2 {
     f \fine

     \mark \default
     g a \section
   }
}

Best,

Jean

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