This is y2l 1.0, downloaded from

http://www.alchar.org/~aedil/Projects/y2l.html#download
http://y2l.sourceforge.net/download/y2l.tar.gz

by Keith Wansbrough on 2004-08-06.

It is an external program; don't modify it, just use it.  It's here
for our convenience.


