Hello everybody !
It has been a while since i wanted to provide deeper informations about the
function discribed here :
http://lsr.dsi.unimi.it/LSR/Item?id=542
This is done now.
You can get this pdf of information and the last version of
"extractMusic.ly" in this directory :
http://gillesth.free.fr/Lilypond/extractMusic/
Note that the last version of "extractMusic.ly" has some new features and
new functions.
Here are the direct links
http://gillesth.free.fr/Lilypond/extractMusic/extractMusic.ly
http://gillesth.free.fr/Lilypond/extractMusic/extractMusic-doc.pdf
I just hope that my english is not too bad, and that the explanations will
be enough understandable ...