vert. spaces between staves and TabStaves not the same

[Till Rettig]

> I'm not top posting.

%Reported on the German lilypond forum
%The vertical spacing between TabStaff instantiations
%is smaller than between Staff instantiations.




\score {
 { c'4 d' e' f' g'1 }
 \header {
   piece = "Titel 1"
 }
}
\score {
 \new TabStaff {
   c'4 d' e' f' g'1
 }
 \header {
   piece = "Titel 2"
 }
}
\score {
 { c'4 d' e' f' g'1 }
 \header {
   piece = "Titel 3"
 }
}