…columns = #3 #(define getlinewidth (lambda (paper) (let* ( (landscape (ly:output-def-lookup paper 'landscape)) (output-scale (ly:output-def-lookup paper 'output-scale)) (paper-width (ly:output-def-lookup paper 'paper-width)) (… …paper 'line-width)) (plain-left-margin (ly:output-def-lookup paper 'left-margin)) (w (if landscape paper-height paper-width)) (left-margin (if (null? plain-left-margin) (if (null? …