- From: Anne van Kesteren <annevk@opera.com>
- Date: Mon, 20 Jun 2011 12:57:47 +0200
On Mon, 20 Jun 2011 12:53:02 +0200, Jonas Sicking <jonas at sicking.cc> wrote: > On Mon, Jun 20, 2011 at 3:22 AM, Anne van Kesteren <annevk at opera.com> > wrote: >> Agreed. I can add that to CORS. I already added Last-Event-ID for that >> reason, but somehow missed Cache-Control. > > Wait, we don't have to add any headers to the CORS spec just because > implementations of various specs needs to send those without doing > preflight. The list of "simple headers" only affects which headers the > *page* can immediately set without a preflight being required, for > example through features like XMLHttpRequest.setRequestHeader. > > Headers that the implementation adds doesn't need to be added to this > list. For example the "Host" header is set by the browser in almost > all situations, but it does not need to be added to the list of > "simple headers". Indeed, adding in there would an out right bad idea. > > So I'm not convinced that the Last-Event-ID header needs to be in the > list. We could add Host as authors cannot set that anyway. But what you say makes sense. I will remove Last-Event-ID and add a note about how that list works. -- Anne van Kesteren http://annevankesteren.nl/
Received on Monday, 20 June 2011 03:57:47 UTC