Hi Kevin,
you can make it a bit easier, if you enter the markup in a #{#} construct:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#(define-markup-command (extender layout props) ()
#:properties ((xLength 4))
(interpret-markup layout props
#{
\markup \concat {
"V" \super \override #'(baseline-skip . 0) \column {
\line { \fontsize #-2 \number #"6"
\raise #.5 \draw-line #(cons xLength 0)
\fontsize #-2 \number #"5" }
\line { \fontsize #-2 \number #"4"
\raise #.5 \draw-line #(cons xLength 0)
\fontsize #-2 \number #"3" }
}
}
#}
))
\relative c' {
c1_\markup { \extender }
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
HTH
Best, Jan-Peter
Am 18.11.2013 14:57, schrieb Kevin Patrick Barry:
> Dear lilypond users,
>
> I am trying to make a lilypond command for Roman numerals with a length
> property that I can override. I have no idea what I'm doing when it
> comes to scheme, and I can't seem to get a column to work properly. The
> function I am trying to write is below. The problem is that the second
> #:line is placed outside the column after it, instead of within it. My
> various attempts to force it into the column all meet with errors. I
> tried using the make-column-markup function as well to no avail. I can
> do it correctly using ordinary markup commands, but then I can't seem to
> introduce the property I want to be able to modify without causing
> errors. Any help would be appreciated.
>
> Kevin
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