text markup behavior change?

[Paul Scott]

In previous versions this example would place the markup at the left of 
the multi-measure rest.  Now it is placed completely to the right of the 
grob.  Is this a bug or a change that is not yet reflected in the manual?

Thanks,

Paul Scott

\score {
    <<
        \property Score.skipBars = ##t
        \property Score.MultiMeasureRestNumber \override #'padding = #0
        \property Score.MultiMeasureRestNumber \override #'staff-padding = #0
        \property Score.MultiMeasureRest \set #'minimum-length = #30
        \property Score.TextScript \override #'padding = #3
        \context Staff = flute \notes{ 
            << { s1*40^\markup{ Test } } { R1*40 } >> a'1 b' c'' d''} 
    >>
    \paper {}
}