+$i=pagespec_match("foo", "!link(baz) and !created_after(bar)")->influences;
+is(join(",", sort keys %$i), 'bar,foo', "influences unaffected by negation");
+$i=pagespec_match("meh", "!link(done)")->influences;
+is(join(",", sort keys %$i), 'meh', "a negated, failing link test is successful, so the page is a link influence");