complex time signatures: scheme help

[James E. Bailey]

Look at that, even I need scheme. I wanted to have the time signature be

3+3+2

     8

Apparently this is where Scheme is necessary. I've found the one that makes it

3+3+2

8  8   8

in the documentation but I don't understand how to make the change.

#(define ((compound-time one two num) grob)

  (grob-interpret-markup grob

    (markup #:override '(baseline-skip . 0) #:number

      (#:line (

          (#:column (one num))

          #:vcenter "+"

          (#:column (two num))))

      )))

Can someone just do that for me?

James E. Bailey