On Nov 30, 2007 1:23 AM, 山本和彦 Kazu Yamamoto <kazu@iij.ad.jp> wrote:

> Please look at the following example:
>
> (let ((used-local-variable 0)
>       (unused-local-variable 1))
>   (setq used-local-variable (1+ used-local-variable)))

With dynamic binding, that's going to be imposible to detect for most
non-trivial let bodies... Or am I missing something obvious?

             Juanma