Use filling dots only if chords are within a line
Renamed size -> font-size in stylesheet
Better errors reporting from bad values in stylesheet
Specify font in True-Type way

Font family, plus bold and italic as separate attribute
Added hierarchical sections to style

Can specify the font for the entire sheet, specialize for a certain
section etc.
Dropped space before semicolon
Drop excessive space in instumental parts
Print chords in usage order