Created attachment 136563 [details] Index.htm with url updated This file has the correct reference to test the problem. It seems to have a strange behaviour when testing in local, let's hope that here it works as it's supposed to work.
Ok, it works, but it's interesting also to test the behaviour when the attachment 136563 [details] it's a local file. Confirming.
*** Bug 227120 has been marked as a duplicate of this bug. ***
Identical to bug 238457. Closing in favor of that one somewhat arbitrarily. Both bugs are well developed with testcases. But we don't need both, and the later one has a little more analysis. *** This bug has been marked as a duplicate of 238457 ***