Description of problem:

In tetex there is /usr/bin/texdoctk.  That is nice with this catch that
it starts with:

use strict;
use Tk;
....

which is an obvious problem as there is no 'perl-Tk' in a base.
For FC4 at least currently 'perl-Tk' package is available in extras.

This is actually a useful program and I would rather not to loose it.
One possible way out could be to replace 'use Tk;' by an equivalent,
if there is no error, construct in a style

BEGIN {
  eval {require Tk;};
  die "This program requires perl-Tk. Try to look in fedora-extras.\n" if $@;
  import Tk;
}

This at least gives a useful information what to do.

Version-Release number of selected component (if applicable):
tetex-3.0-4