No Trill Line

[Will Oram]

When I did this, I got a long note with a trill line spanner over it, 
as desired:

    \override TextSpanner  #'style = #'trill
    \override TextSpanner  #'edge-height = #'(0 . 0)
    \override TextSpanner  #'edge-text
        = #(cons (make-musicglyph-markup "scripts-trill")  "")

        csharp2.~\>\startTextSpan
	csharp!\fermata \bar "" \grace { b16[(\!\stopTextSpan csharp]) } \bar 
"|"
        d8 r r4 r

When I did this, I just got a dotted line spanner instead of a trill.

    \override TextSpanner  #'style = #'trill
    \override TextSpanner  #'edge-height = #'(0 . 0)
    \override TextSpanner  #'edge-text
        = #(cons (make-musicglyph-markup "scripts-trill")  "")
        
        << { d2.\trill~\startTextSpan } \\ { R1*3/4 } >>
        << { d2.~ } \\ { R1*3/4 } >>
        << { d2.~ } \\ { R1*3/4 } >>
        << { d2.~ } \\ { R1*3/4 } >>
        << { d8[(\stopTextSpan csharp) e-.] e[( d) b-.] } \\ { R1*3/4 } >>

What's the diff here? Something to do with Staff vs. Voice?

Will Oram // Genius @ Large // AIM spamguy21
spamguy (at) foxchange (dot) com // wro1 (at) cwru (dot) edu