Is it possible for a HTTP 1.1 client to set a header value that indicates the responses to requests should not be chunked? Or is the only way to prevent this, is to send a HTTP 1.0 request? I've tried googling around, but all I can find is ways to disable chunked transfers on HTTP 1.1 servers, so I am guessing it is not possible on a client, but I thought I'd ask anyways.
In HTTP (starting with HTTP/1.1), recipients MUST support chunked encoding. See http://greenbytes.de/tech/webdav/draft-ietf-httpbis-p1-messaging-26.html#rfc.section.4.1.p.4.