So Catalyst would never mistakenly dispatch the first two URLs to the '^foo$' action.
+=head4 B<Parameter Processing>
+
+Parameters are handled with methods in the L<Catalyst::Request>
+class. The C<param> method is functionally equivalent to the C<param>
+method of C<CGI.pm> and can be used in modules that require this.
+
+ # http://localhost:3000/catalog/view/?category=hardware&page=3
+ my $category = $c->req->param('category');
+ my $current_page = $c->req->param('page') || 1;
+
+ # multiple values for single parameter name
+ my @values = $c->req->param('scrolling_list');
+
+ # DFV requires a CGI.pm-like input hash
+ my $results = Data::FormValidator->check($c->req->params, \%dfv_profile);
+
=head3 Flow Control
You control the application flow with the C<forward> method, which accepts the