Lilypond 2.6.0 Windows
It feels like I've tried everything, but I can't get the s
yntax right for this.
How do I use Scheme in header markup? I want to turn some
fields on and off depending on some external conditions.
I am trying this:
myCond = ##t
\paper {
bookTitleMarkup = \markup {
\column {
\fill-line {
\large \bold \fromproperty #'header:title
\fromproperty #'header:meter
\line { \fromproperty #'header:composer " " \italic
\fromproperty #'header:arranger }
}
#(if myCond ( #{\line { \fromproperty #'header:comment } #} ))
}
}
}
\header {
title = "Test"
meter = "Test"
composer = "Test"
comment = "Test"
}
\relative c'' { a b c d }
and various variants of the same, but it always gives me a
"unknown escaped string" for all the backslash expressions
at the point right after \header, and "unexpected SCM_T" at
the #(if statement.
Surely this is supposed to work?
--
Sven Axelsson
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