possible error in manual chapter 2.4.3 Banjo

[bb]

As one can see the example source in chapter 2.4.3 Banjo does not show any
stems and /stemDown alone does not work. One needs \tabFullNotation as well!

So /stemDown stand alone does not make any sense and is missleading!

I think in the example this code would be correct to give the expected 
result:


\sourcefileline 1859
\new TabStaff <<
  \set TabStaff.tablatureFormat = #fret-number-tablature-format-banjo
  \set TabStaff.stringTunings = #banjo-open-g-tuning
  {
   \tabFullNotation
    \stemDown
    g8 d' g'\5 a b g e d' |
    g4 d''8\5 b' a'\2 g'\5 e'\2 d' |
    g4
  }
>>

Regards