Re: What is Content-Length?

On Fri, 12 Dec 1997, Jeffrey Mogul wrote:

> John Franks wrote:
>     This raises the whole issue of stacked transfer encodings.  
>     Are you suggesting that arbitrary stackings be allowed, or
>     just two, the second of which is chunked?
> 
> I'm not "suggesting" anything.  It's already in the spec, and
> has been there since at least RFC2068:
> 
> 14.40 Transfer-Encoding
> 
>    The Transfer-Encoding general-header field indicates what (if any)
>    type of transformation has been applied to the message body in order
>    to safely transfer it between the sender and the recipient. This
>    differs from the Content-Encoding in that the transfer coding is a
>    property of the message, not of the entity.
> 
>           Transfer-Encoding     
> 		  = "Transfer-Encoding" ":" 1#transfer-coding
> 
> the BNF clearly allows any number of transfer-codings.
> 
> The current -rev-01 draft adds:
>        If multiple encodings have been applied to an entity, the transfer
>        codings MUST be listed in the order in which they were applied.
> 

Interesting.  I wonder how many current implementations can handle

	Transfer-Encoding: chunked, chunked, chunked

I know mine can't.

John Franks
john@math.nwu.edu