* lisp/net/puny.el: Use lexical-binding. * test/lisp/net/puny-tests.el (puny-test-encode-domain) (puny-test-decode-domain, puny-highly-restrictive-domain-p): New tests.
* lisp/net/puny.el: Use lexical-binding. * test/lisp/net/puny-tests.el (puny-test-encode-domain) (puny-test-decode-domain, puny-highly-restrictive-domain-p): New tests.