Responses 1xx, 204 and 304 cannot have a message body
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reinux
According to http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html HTTP responses with response codes 1xx, 204 and 304 must not include a message body. If these responses include a message body, this will severely screw up several browsers, including Safari and Firefox for Mac.
My current workaround