(ly:add-interface
'trill-pitch-accidental-interface
"An accidental for trill pitch"
- '(accidentals))
+ '()
+ )
(ly:add-interface
'rhythmic-grob-interface
"An interface for any notes set in a tablature staff"
'())
+(ly:add-interface
+ 'unbreakable-spanner-interface
+ "A spanner that should not be broken across line breaks. Override
+with @code{breakable=##t}. "
+
+ '(breakable))
+
(ly:add-interface
'vertically-spaceable-interface
"Objects that should be kept at constant vertical distances. Typically: