Re: If-Modified-Since and forged dated

Shel Kaphan writes:
 > 
 > Uh, never mind what I just said about future last-modified dates.
 > It might be OK for GET if-modified-since, but obviously fails for
 > plain GETs.
 > 
 > --Shel

I retract this retraction.
A proxy cache that cares at all about last-modified
should always use GET if-modified-since once it has the document
cached at all.