Setzt alle flpPlaylist-Items auf free:true, zeigt Download-Liste an und fügt "Download all" für m4a/ogg hinzu
This userscript makes it easy to download the original Feynman Lectures audio tapes from https://www.feynmanlectures.caltech.edu/flptapes.html
It adds a small panel in the bottom right corner of the page with direct download links for each lecture in m4a or ogg format, and also provides convenient “Download all” buttons with progress display, stop option, and adjustable delay between downloads. The script was tested on Firefox Tampermonkey; when the browser prompts you, simply allow multiple downloads from the site.
