@@ 37,6 37,8 @@ function domain(raw) {
 // When these checks fail, it seems that if you're using the "load temporary addon" feature, you
 // can't see the error in an existing debug window. That is, if you need to click "debug" _after_
 // clicking "reload" to see the error output. Seems like a bug, but I haven't searched for it.
+//
+// Seems fixed on or around Firefox 57
 check(domain, 'example.com', 'example.com')
 check(domain, '  example.com  ', 'example.com')
 check(domain, '  http://example.com  ', 'example.com')