On Tue, 30 Oct 2012 11:50:17 +0100 Juan Jose Garcia-Ripoll juanjose.garciaripoll@gmail.com wrote:

The original code works for me just fine

(defimplementation arglist (name) (multiple-value-bind (arglist foundp) (ext:function-lambda-list name) (if foundp arglist :not-available)))

Does it not in your system?

I confirm it works fine again, thanks!