Does a combination of proportionalNotationDuration and overriding the SpacingSpanner do the trick? The attached example, admittedly a bit of a hack, seems to work.
spacing-mwe.ly
Description: Binary data
Does a combination of proportionalNotationDuration and overriding the SpacingSpanner do the trick? The attached example, admittedly a bit of a hack, seems to work.
spacing-mwe.ly
Description: Binary data