tuplet bracket height

[David Bobroff]

> > 
> > In the fragment at the bottom I would like to do some additional
> things.
> > 
> > 1) Force a bracket over the 5-plet.
> 
> See input/test/tuplet-properties.ly

Or rather: input/regression/tuplet-properties.ly

I've almost got this thing where I want it.  Now I want to lower the
tuplet bracket.  It sits a bit high to my eye.  I didn't see anything
about bracket height in the tuplet-properties.ly file.

-David Bobroff

inv = { \property Voice.NoteHead \override #'transparent  = ##t 
        \property Voice.Rest \override #'transparent = ##t}
        %  \property Voice.Stem \override #'transparent = ##t }
unv = { \property Voice.NoteHead \revert #'transparent
       \property Voice.Stem \revert #'transparent }

\score {
    \notes \relative c,, { 
        \time 2/4
        \clef F
         <{\times 4/5 {b'16-> gis'-> dis'-> g\rest \inv r  }  } \\
{\property Voice.TupletBracket \override #'number-visibility = ##f
\times 4/5{ s8. \stemDown\property Voice.Beam \override #'positions =
#'(-2 . -2)
 \inv a,16 \unv dis'--\< \tieUp ~ }   \!dis4\fermata \breathe}>
    }
    \paper {linewidth =  2.75 \in }
}