Source and Documentation are available.
On the deprecated status,
xlunit does say it's based on JUnit, XPTest, and clos-unit, and it seems a bit more complete, polished, and recent. I tend to agree with Andrew [who made the original comment here, 2005-02-01] -- Larry Clapp on ALU Wiki
In case they're of use to others, I share a few notes I made. Take them with a pinch of salt though 'cos I'm new to Lisp and hoping to rush through several libs this evening.
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