Changelog

0.0.4 (2016-06-18)

gly fy: converts gabc to gly
\markup keyword - verbatim text or LaTeX code to be included in the preview
support gabc header field nabc-lines (don't comment it out in generated gabc)
preview by default annotates scores by their id header value
allow empty header fields
block variant of \lyrics and \music keywords
support for all gabc divisiones and hard line breaks (handled as "non-lyrical" music chunks)
preview: format of placeholders in the document template changed to the django/jinja/... standard - e.g. {{glyvars}}
tested documents containing adiastematic nabc notation
preview: die loudly on error of the subordinate latex process
preview: when input file doesn't exist, try to add extension - e.g. gly preview hello compiles hello.gabc if file hello doesn't exist

fix gly preview not regenerating once generated gabc files
preview: optionally create non-standalone LaTeX document (for including in a larger one)
preview: optionally include all document and score headers in the preview
preview: support for custom document template
option to set custom syllable separator
if document contains a single score, don't add suffix to the generated gabc
gly ly: limited support for conversion to lilypond
\music keyword - explicit music line

I'm not sure if 0.0.1 was released publicly and which features it included.