Xref-ing non used symbols

[Bruce Stephens]

Bruce Stephens <bruce.stephens@messagingdirect.com> writes:

> It's a Tcl command, defined by the libraries included in the SN Tcl
> interpreter "hyper".  How exactly did you run unused.tcl?

hyper requires some environment, too---the script snavigator show what
it needs.  Here's a suitable "hyper" script (hacked from snavigator)
which you could put (after changing /usr/local/sn to whatever you
used) suitably earlier in your path: