Ambitus symbol influences script placement

[Christian Hitz]

\version "2.3.11"

%
% The scripts on the first note are placed in respect to the ambitus 
symbol.
% Only happens if the Ambitus_engraver is in the Voice context.
%
\book{
    \score {
        \new Voice {
            g'4^-_> g'^-_> c c'''
        }
        \paper{
            \context {
               \Voice
               \consists Ambitus_engraver
             }
        }
    }
    \score {
        \new Voice {
            g'4^-_> g'^-_> c c'''
        }
        \paper{
            \context {
               \Staff
               \consists Ambitus_engraver
             }
        }
    }
}
--
Christian Hitz
Unterehrendingen, Switzerland
address@hidden     or     address@hidden