(ly:add-interface
'fret-diagram-interface
"A fret diagram"
- '(align-dir fret-diagram-details size string-fret-finger-combinations
+ '(align-dir fret-diagram-details size dot-placement-list
thickness))
(ly:add-interface
"Keep track of durations in a run of grace notes."
'(columns common-shortest-duration))
+(ly:add-interface
+ 'harp-pedal-interface
+ "A harp pedal diagram"
+ '(harp-pedal-details size thickness))
+
(ly:add-interface
'key-cancellation-interface
"A key cancellation."