input/regression/warn-conflicting-key-signatures.ly

   1 \version "2.12.0"
   2
   3 \header {
   4   texidoc = "If you specify two different key signatures at one point, a
   5 warning is printed."
   6
   7 }
   8
   9 \score {
  10 \context Voice <<
  11  { \key cis \major cis4 \key bes \major bes4 }
  12  { \key cis \major fis4 \key es \major g4 }
  13 >>
  14 }