youtube and vimeo embeding causes warnings on https sites

General tests The following tests apply to MOODLE_23_STABLE and to master: Navigate to Settings -> Site administration -> Appearance -> Media Ensure that the YouTube and Vimeo options are ticked Navigate to a course page Turn editing on Edit a section Set the section Summary to: <p><a href="http://www.youtube.com/v/1akyXgddyAY">Example YouTube</a></p> <p><a href="http://vimeo.com/1234567">Example Vimeo</a></p> <p><a href="http://www.youtube.com/playlist?list=PL9B6AC5E479B1B992">Example Playlist</a></p> Save changes Confirm that the Top video (YouTube) is displayed Confirm that the Middle video (Vimeo) is displayed Confirm that the Bottom video (YouTube Playlist) is displayed View the source and confirm that each video is pointed at the correct (https) URL Open the 'Activity Chooser' Confirm that none of the videos sit in front of the activity chooser MOODLE_23_STABLE The following instructions are in addition to the tests above. Moodle 2.3 still has the XML Strict Headers setting which slightly changes the way that some videos are displayed: Navigate to Site administration -> Development -> Debugging Turn "XML strict headers" to on View the course page again Confirm that the Top video (YouTube) is displayed Confirm that it is not in an iframe Confirm that the Middle video (Vimeo) is displayed Confirm that the Bottom video (YouTube Playlist) is displayed Open the 'Activity Chooser' Confirm that none of the videos sit in front of the activity chooser