I suggested that inactive links could not be accommodated, which is only kind of true, and only to the extent that it's unclear what removing href attributes from a elements will do to reading systems. (matt.garrish.ca)
This mention is done by hyperlink tag a using the href attribute to specify the URL of the page the link goes to. (netotraffic.com)
Audio and video files (and as of 3.1 fonts and remote resources fetched by scripts) are included in the manifest with the full URL to them in the item's href attribute. (matt.garrish.ca)