@rule ((2, 17, 6), r"""\accidentalStyle #'Context "style" -> \accidentalStyle Context.style
\alterBroken "Context.grob" -> \alterBroken Context.grob
@rule ((2, 17, 6), r"""\accidentalStyle #'Context "style" -> \accidentalStyle Context.style
\alterBroken "Context.grob" -> \alterBroken Context.grob