/usr/share/denemo/actions/lilypond/time-signatures.ily is in denemo-data 1.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | #(define ((alternate-time up down upp downp) grob)
(grob-interpret-markup grob
#{
\markup
\override #'(baseline-skip . 0)
\number
\line {
\column { #up #down }
\column { #upp #downp }
}
#}))
|