LC-2000: Navigation Bars

Comment:
	
-	Navigation bars: this is something that I would like to
introduce in the Manifesto too. In no event should a transcoder add
extra footers or headers (logos, extra navbars, advertisement and
similar) without the consent of the content owner.


Proposed Response:

Navigation bars (and other decorations) are prohibited by the CT
Guidelines for responses that are Cache-Control: no-transform.  This is
the way that content providers can inform CT proxies that no additional
content should be added to pages.  Since most (if not all) CT proxies
currently added navigation bars of one sort or another, it seems that a
solution in which CT proxies must ask permission from each content
provider to add navigation bars is an unrealistic solution. 


Sean