2 horizontally-aligning-custom-dynamics-e.g.-sempre-pp,-piu-f,-subito-p.ly
4 merging-multi-measure-rests-in-a-polyphonic-part.ly
5 non-traditional-key-signatures.ly
6 permitting-line-breaks-within-beamed-tuplets.ly
7 reverting-default-beam-endings.ly
8 showing-the-same-articulation-above-and-below-a-note-or-chord.ly