2 - other clefs added, keys typeset properly (MB)
6 - Commands in music-mode (an input feature) (there you are, Mats)
11 - default extension, search path.
15 - inputfile name in output.
18 - Make dependencies per .o
19 - Split Input_* parsing steps to enable marking
27 - | checks for bar in a voice (Barcheck_req)
29 - naming (Hungarian notation, svec vs. Array)
30 - cleanup PScore, Score
31 - removed Staff_commands, plugging commands into Staff_column directly
34 - huge memleak fixed; unearthed lots of bugs
41 - Move breaking stuff into a separate class Break_algorithm
42 - dependencies for Staff_elem's
45 - updated doco to .pod
46 - include files from .ly
48 - Rational for time measurement
49 - directionalspanner/textspanner
52 - grouping code: LilyPond can set advanced multibeams.
58 - robust Staff_commands
61 - robust Input_commands
62 - merged Vertical_/Horizontal music
63 - PARTIALs with duration
64 - modularized lexer: multiple runs
67 - notenames configurable
79 - Horizontal/Vertical music