On May 13, 2008, at 12:24 AM, Julian Reschke wrote:


Anne van Kesteren wrote:
On Mon, 12 May 2008 17:24:16 +0200, Julian Reschke <[EMAIL PROTECTED] > wrote:
Well, we just heard from people complaining about XHR implementations pre-filling request headers, and thus causing clients to create broken content-type headers (because of the append functionality).
Actually, that was specifically about Accept and it seems to be simply an Opera bug per the specification.

So does the specification say which headers may be prefilled by the implementation, and when?


I don't think this is "pre-filling", but some defaults applied by an implementation. A removeHeader() may not fix this specific problem.

Regards,
Subbu

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