* lily/staff-symbol-referencer.cc (get_position): emergency

* lily/staff-symbol-referencer.cc (get_position): emergency
fallback: use coordinate * 2.

* input/no-notation/midi-scales.ly: move from test/

* scm/define-markup-commands.scm (score): remove debugging code.

* input/test/incipit.ly (violin): remove.

* lily/system-start-delimiter.cc (print): only draw system
delimiter to staves that reach up to left bound of the delimiter.

* input/no-notation/embedded-scm.ly: move from test/

* input/test/follow-voice.ly: remove

* input/no-notation/dynamic-absolute-volume.ly: move from test/.

* input/test/count-systems.ly: remove.

* input/regression/baerenreiter-sarabande.ly: move file.

* scm/define-grobs.scm (all-grob-descriptions): use fetaMusic
encoding for accidental.

* Documentation/user/notation.itely (Educational use): new section