Version 1.5.8 of abc2midi released on 21st Sept 1998. X in the header allowed to be a part marker in abc2midi. Tidied up note off queue handling in abc2midi. Fixes PCC divide by zero error. Added rtranspose to abc2midi.
Voices inherit global transpose, tempo and meter instead of values from previous track.
Also allows multiple verses and has better error-checking. Voice numbers changed from absolute voice numbers to numerical labels. Accompaniment written to separate track by abc2midi. Added support for trills in abc2midi. Fixed bug in midi2abc that caused it to crash if input MIDI file contained long metatext strings.