A bug and a rendering problem in abc2ly (LilyPond) 2.11.34, probably
easy to fix:
* The option "abc2ly --beams=None" does not nest properly the "["'s
it writes in the output with respect to the command \grace{...}. For
example, the input
T:abc2ly grace note bug
M:C
L:1/8
Q:1/4=120
K:E
Some bugs in abc2ly (LilyPond) 2.11.34, probably easy to fix:
* When using a church mode like E Dorian, ABC expects the pitches to
be interpreted relative to the key signature of this mode, that is
the two sharps F# and C# in this case; abc2ly just interprets this
mode as E major, with four
