lily sticking text on each note in a group of grace notes

[jeff covey]

when i built this score with earlier versions of lilypond, i got
"Ad. lib." on just the first note, as it should be.  now it sticks it
above every note:

http://jeffcovey.net/music/scores/haydn/london-trio-03-02/

how can i fix this?

thanks,

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| jeff covey address@hidden http://pobox.com/~jeff.covey/ 410-869-8088 |
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|                Caution! Don't mistake! This song isn't Funk!               |
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