[bug] scripts vertical placement

[Juergen Reuter]

Vertical placement of scripts is broken as of current CVS.  In particular, note 
that the vertical placement does not monotonously increase with the pitch.

See attached png.

ly-file:

\version "2.7.16"
\score {
   \transpose c c' {
     \stemDown
     e4\marcato
     f4\marcato
     g4\marcato
     a4\marcato
     b4\marcato
     c'4\marcato
     d'4\marcato
     e'4\marcato
   }
}


Greetings,
Juergen

art2.png
Description: PNG image