On Sat, 02 Jul 2011 10:13:25 +0200, Anne van Kesteren <[email protected]> wrote:
On Sun, 26 Jun 2011 16:46:23 +0200, Boris Zbarsky <[email protected]> wrote:
On 6/25/11 2:23 PM, Anne van Kesteren wrote:
So each specification that deals with custom headers of some kind (e.g.
EventSource has Last-Event-ID and Cache-Control) needs to say what
happens to them in the face of redirects?

On the face of it, yes. Especially because different redirect response codes have different semantics (well, in theory), so some headers may need to be preserved across some of them but not others. And without knowing the meaning of the header, it's impossible to say when it should be preserved across the redirect and when it only makes sense in the context of the original request.

I raised this with the HTTP WG:

http://lists.w3.org/Archives/Public/ietf-http-wg/2011AprJun/0489.html

It seems they are going to do something about it:

http://lists.w3.org/Archives/Public/ietf-http-wg/2011AprJun/0490.html

I guess we should evaluate again when that is done.

This ended up coming back to us. HTML fetching will hopefully address this issue:

https://www.w3.org/Bugs/Public/show_bug.cgi?id=15228


--
Anne van Kesteren
http://annevankesteren.nl/

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