* lily/side-position-interface.cc (general_side_position):

* lily/side-position-interface.cc (general_side_position):
Subtract parent offset iso. adding it. (Huh? How could this have
worked?)

* lily/clef-engraver.cc (stop_translation_timestep): add staff to
OctavateEight support.

* scripts/lilypond-book.py: add smallverbatim option.

* lily/beam.cc (quanting): bugfix. Behave sanely when no visible
stems.

* lily/accidental-placement.cc (position_accidentals): add padding
property. Increase default setting to 0.2.