spacing

[pabuhr]

I have a vertical spacing problem with MetronomeMark and rhythmMark. The
include for rhythmMark.ly comes from here: 

   http://lsr.dsi.unimi.it/LSR/Snippet?id=204

In the following example, I have moved the MetronomeMark down and to the left
below the highest beam. However, a ghost spacing for the MetronomeMark still
exists above the highest beam, as if the MetronomeMark was not moved. After
repositioning the MetronomeMark, I want the rhythmMark to appear direct above
the highest beam with the same spacing as when the MetronomeMark is commented
out. Is there a way to accomplish this vertical spacing?

\version "2.16.0"
\language english
\include "rhythmMark.ly"

melody = \relative c' {
        \stemUp d8[cs'']  <d, a'>[e']  d,^[d']  <d, a'>[<a' d>]
} % melody

\score {
        <<
                \context Voice {
                        \tempo 4=100
                        \override Score.MetronomeMark #'extra-offset = #'( -5 . 
-4.5 )
                        \override Score.RehearsalMark #'self-alignment-X = #LEFT
                        \rhythmMark #"Swing" \rhyMarkIIEighths 
\rhyMarkSlurredTriplets
                        \melody
                }
        >>
}

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% compile-command: "lilypond --ps test6.ly" %
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