ISIRTA (I'm Sorry, I'll Read That Again {courtesy of Angus Prune})
That should have read :-
I have now tested with an ABC which has a w: words line, it ignored the lyric and did not add them to the XML output file, so it is presumably an early version of the programme (It will not tell me the date, because it has dated the file to the time I extracted from the archive.

Quack!
GtD.