Issue 2083 in lilypond: \break in alternative causes score to split

[lilypond]

Status: Accepted
Owner: address@hidden
Labels: Type-Critical Regression

New issue 2083 by address@hidden: \break in alternative causes score to  
split
http://code.google.com/p/lilypond/issues/detail?id=2083

Works in 2.14.0, broken in current master

\relative c' {
  \repeat volta 4 {
    c1
  }
  \alternative {
    { c1 \break }
    c1
  }
  c1 c1
  \repeat volta 4 {
    c1
  }
  \alternative {
    c1
    c1
  }
  c1 c1
}