fretboard-bug?

[bb]

The fretboard shows fourth string as open and fingered fret one. I have
added a pdf as a proof. If you compile you should get this pdf as well.

Regards BB

\version "2.19.2"
   allFourthsA =\stringTuning <  a, d g c' f'>
cmSevenA = { < g'\1 c,\2 g\3 dis\4 ais\5 > } % cd#ga#
\storePredefinedDiagram #default-fret-table \cmSevenA % cd#ga#
                        #allFourthsA
                        #"1-1; 1-1;o;o;2-2;" %
#(set-global-staff-size 27)
chordNames = \chordmode { c:m7 }
notes = { \cmSevenA \break  \bar "||" }
\score {
  <<
     \set Timing.defaultBarType = ""
     \new ChordNames {
      %\set chordChanges = ##t
      \chordNames }
    \new FretBoards {
      \set Staff.stringTunings = #allFourthsA
      \notes }
    \new TabStaff \relative c' {
      \set TabStaff.stringTunings = #allFourthsA
      \notes  }
  >>
  \layout {
  }
}

Bug4.pdf
Description: Adobe PDF document