Finally a youtube autobuffer stopper and downloader that works for me.
Until some some youtube change some weeks ago i used a Safari (v. 5 - ancient as my Mac OS) extension (ClickToPlugin, later seemingly made illegal by Apple) that did a job as good as now this script via a greaseMonkey plugin called NinjaKit.
Finally a youtube autobuffer stopper and downloader that works for me.
Until some some youtube change some weeks ago i used a Safari (v. 5 - ancient as my Mac OS) extension (ClickToPlugin, later seemingly made illegal by Apple) that did a job as good as now this script via a greaseMonkey plugin called NinjaKit.