+pl 15.jcn4
+ - removed old notename2scm conversion
+ - beam-dir-algorithm through scm
+ - bfs paper-scm
+ - bf: knee-stemlengths
+
+pl 15.jcn3
+ - moved poor man's stem arrays to scm
+
+pl 15.jcn2
+ - beam quanting using scm lists
+
+pl 14.hwn1jcn1
+ - chord-name uses scm members
+ - bfs: knee with different mults, interstaff knee, auto-knee
+
+pl 14.hwn1
+ - specialize duration.cc for lily, move out of lib/
+ - stem cleanup
+ - more SCM typechecking
+ - stafflineleading -> staff_space
+ - bf: rod distances.
+ - junk some unused code.
+
+pl 13.hwn2
+ - paper/score column cleanups. Junk Score_column type
+
+pl 13.hwn1
+ - Bezier_bow/Bezier cleanups
+ - bf: rest under beam.
+
+pl 13.jcn2
+ - untangled Chord_name (item) and Chord (list-of-pitches)
+
+pl 13.jcn1
+ - bezier-bow fix
+
+***********
+pl 12.hwn1
+ - polynomial.hh
+ - bf: generic properties
+ - quantise_iv () fix.
+ - bezier cleanup
+ - class Polynomial
+ - use smobs for font metric tables/hashes.
+ - nl.po bf
+
+************
+
+pl 11.jcn3
+ - small beam fixes (interstaff knees still broken)
+
+pl 11.hwn1
+ - bf: dots
+ - bf: harmonic note heads
+ - revise stem, notehead, rest
+
+pl 11.jcn2
+ - included missing scm,ly updates
+ - bf: urg to_dir () takes scm..
+ - bf's: if (Foo b = bar != 1)
+ - beam cleanup