2 The abc.py module implements a Docutils directive that accepts content
3 written in the ABC language for musical notation
4 (http://www.gre.ac.uk/~c.walshaw/abc/).
6 The directive relies on a number of libraries and external tools.
8 * abcm2ps (http://moinejf.free.fr/), which turns ABC into PostScript.
9 * Ghostscript (http://www.cs.wisc.edu/~ghost/), which turns
10 PostScript into PNG files.
11 * The Python Imaging Library (used to crop the PNG files by removing lots of
14 Images are converted to PNGs and written to the document output