(X-extent-callback . ,Rest::extent_callback)
(Y-extent-callback . ,Rest::extent_callback)
(print-function . ,Rest::print)
- (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
+ (Y-offset-callbacks . (,Staff_symbol_referencer::callback
+ ,Rest::polyphonic_offset_callback
+ ))
(minimum-distance . 0.25)
(meta . (
(interfaces . (font-interface