Johan, thanks for your input. Your code put me in the right direction. I found an enhancement request has been submitted and an example is included. I get an error though.
includeIfAbsent.ly:26:2: error: GUILE signaled an error for the expression beginning here # (if (not (defined? 'includeIfAbsent)) Unbound variable: define-public-toplevel https://code.google.com/p/lilypond/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Type%20Status%20Stars%20Owner%20Patch%20Needs%20Summary&groupby=&sort=&id=3267 -- View this message in context: http://lilypond.1069038.n5.nabble.com/conditional-include-tp140471p167671.html Sent from the User mailing list archive at Nabble.com. _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user