Originally Posted by theducks
Just because you can't See(watch) the Video in Sigil, does not mean that you can't create the document? (still cringing: Video in books
You can't create the document, really; we do it by using placeholder tags, then ripping open the html and substituting the video or audio tags. Sigil strips 'em, because they're not part of the Spec. Can't be done in Sigil alone.