"A doit or drop."
'(thickness delta-position))
+(ly:add-interface
+ 'clef-modifier-interface
+ "The number describing transposition of the clef, placed below
+or above clef sign. Usually this is 8 (octave transposition)
+or 15 (two octaves), but LilyPond allows any integer here."
+ '())
+
(ly:add-interface
'dynamic-interface
"Any kind of loudness sign."
"Note names."
'())
-(ly:add-interface
- 'octavate-eight-interface
- "Interface that permits the nominal identification of the octavian
-annotation that multiplies by two the freqency of the pitches present
-in a given staff were they played on a clef that lacked said octavian
-annotation."
- '())
-
(ly:add-interface
'only-prebreak-interface
"Kill this grob after the line breaking process."