veltzer/openbook — pull request #60 by captbaritone (2013-08-16 00:16:34+00:00)
Title: Make half dim chord notation spacing match 7b9

Lilypond's notation actually has a space between the 7 and the b. I've made our
style match that. A good place to see these two markings side-by-side is the
5th measure of Strange Fruit.