- fixes
  - crash when "%%break 1" and no measure bar in the tune
  - crash when duplicated voice ending on %%staves with repeat variant
  - crash when voice duplication with symbols without width
  - crash or bad output when null value in %%scale
  - problem when only bars in 2 voices followed %%staves of the second voice only
  - crash when tuplet error in grace note sequence
  - crash when grace note with empty tuplet
  - crash when many broken rhythms after a single grace note
  - access outside the deco array when error in U:
  - crash when !xstem! with no note in the previous voice
  - crash on tuplet without any note/rest
  - crash when grace notes at end of line and voice overlay
  - crash when !trem2! at start of a grace note sequence
  - crash when wrong duration in 2 voice overlays and bad ties
  - crash when accidental without a note at start of line after K:
  - array overflow when wrong duration in voice overlay
  - loss of left margin after first page since previous commit
  - no respect of %%leftmargin with -E or -g
  - bad placement of chord symbols when in a music line with only invisible rests
- syntax
  - Accept and remove one or two '%'s at start of all %%beginxxx lines
- generation
  - Move the <text> CSS from XHTML to SVG
- build
  - configure: respect environment variable