note)."
'())
+(ly:add-interface
+ 'ambitus-interface
+ "The line between note heads for a pitch range."
+ '(gap note-heads thickness))
+
(ly:add-interface
'bass-figure-interface
"A bass figure text."
"Text in front of the system."
'(long-text self-alignment-X self-alignment-Y text))
+(ly:add-interface
+ 'tab-note-head-interface
+ "A note head in tablature."
+ '(details))
+
(ly:add-interface
'trill-spanner-interface
"A trill spanner."