\header {

  texidoc = "For other tunings, it is sufficient to set
    @code{stringTunings}. The number of staff lines is adjusted
    accordingly."

}

\version "2.7.39"


\new TabStaff {
  \set TabStaff.stringTunings = #'(5  10 15 20)
  \relative c''  { c4 d e f }
}