- fix: no respect the width in %%staffbreak
  - fix: don't draw a staff when only %%staffbreak inside
  - fix: bad repeat bracket when continued on next line, line starting by a bar
  - fix: bad tuplet bracket again when at end of a voice overlay sequence
  - fix: bad tuplet bracket when at end of a voice overlay sequence
- changes
  - handle '%%MIDI temperamentequal <ndiv>'
  - accept '^1' and '_1' as microtone accidentals