Processing `/tmp/frescobaldi-7wxtzsl7/tmpain8aecz/document.ly'
Parsing...[/home/knute/lilypond/lilypond-2.23.80/share/lilypond/2.23.80/ly/init.ly
Using `nederlands' note names...[<included string>[/home/knute/git-repos/frescobaldi/frescobaldi_app/layoutcontrol/debug-layout-options.ly[/home/knute/git-repos/frescobaldi/frescobaldi_app/layoutcontrol/./lilypond-version-predicates.ily][<included string>[/home/knute/git-repos/frescobaldi/frescobaldi_app/layoutcontrol/./display-control-points.ily
/home/knute/git-repos/frescobaldi/frescobaldi_app/layoutcontrol/./display-control-points.ily:58:2: error: Guile signaled an error for the expression beginning here
#
 (cond ((not (defined? 'debug-control-points-line-thickness))
/home/knute/lilypond/lilypond-2.23.80/share/lilypond/2.23.80/scm/lily/lily.scm          15 #
In /home/lily/lilypond-2.23.80/release/binaries/lilypond/build/out/share/lilypond/current/scm/lily/lily.scm:
   876:16 14 (lilypond-main _)
    905:4 13 (lilypond-all _)
In srfi/srfi-1.scm:
    640:9 12 (for-each #<procedure 7f3d40eeb990 at /home/lily/lilyp?> ?)
In /home/lily/lilypond-2.23.80/release/binaries/lilypond/build/out/share/lilypond/current/scm/lily/lily.scm:
    915:9 11 (_ "/tmp/frescobaldi-7wxtzsl7/tmpain8aecz/document.ly")
In ice-9/boot-9.scm:
    829:9 10 (catch ly-file-failed #<procedure 7f3d40f0a000 at /hom?> ?)
In unknown file:
           9 (ly:parse-file "/tmp/frescobaldi-7wxtzsl7/tmpain8aecz/d?")
           8 (apply-smob/1 #<catch-closure 7f3d4122c6e0>)
In ice-9/eval.scm:
   721:20  7 (primitive-eval (cond ((not (defined? (quote #))) (?))))
In ice-9/psyntax.scm:
  1261:22  6 (expand-top-sequence ((cond ((not (defined? #)) (?)))) _ ?)
In ice-9/boot-9.scm:
   222:17  5 (map1 (#<procedure 7f3d40484360 at ice-9/psyntax.scm:1?>))
In ice-9/psyntax.scm:
  1435:12  4 (_ _ _)
  1085:24  3 (expand-sequence (#<syntax (define debug-control-poin?>) ?)
  1435:12  2 (dobody (#<syntax (define debug-control-points-line-t?>) ?)
In ice-9/boot-9.scm:
   751:25  1 (dispatch-exception 0 syntax-error (#f "definition i?" ?))
In unknown file:
           0 (apply-smob/1 #<catch-closure 7f3d4122c6a0> syntax-error ?)
Syntax error:
/home/knute/git-repos/frescobaldi/frescobaldi_app/layoutcontrol/./display-control-points.ily:59:8: definition in expression context, where definitions are not allowed, in form (define debug-control-points-line-thickness 0.05)
Exited with return code 1.