* Documentation/user/instrument-notation.itely: Cleanup: Remove
annoying skip notes from mensural ligature example. Update
@refbugs for ligatures and mensural ligatures.
* lily/coherent-ligature-engraver.cc,
lily/include/coherent-ligature-engraver.hh,
lily/mensural-ligature-engraver.cc,
lily/vaticana-ligature-engraver.cc: Revise code for item
reparentizing. There should now be less programming_error
messages.
* lily/mensural-ligature-engraver.cc: Improve placement of dots.
* lily/mensural-ligature.cc, lily/vaticana-ligature.cc:
Maintenance bugfix: Don't create empty Stencil (), but empty box
instead. This fix should eliminate some programming_error
messages.
* ly/engraver-init.ly (MensuralStaff): Set default accidental
style.