Eeek, forgive my inclusion of the debian tracker response information and the top-posting. My apologies. :(
Some further debugging: * At YouTube, the VEVO ads that appear before the requested video exhibit the problem, whereas the actual requested video does not. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org