I need to be able to send a custom HTTP header with an empty value, e.g.

   Some-Header:

But calling:

   curl_easy_setopt(handle, CURLOPT_HTTPHEADER, "Some-Header:");

Suppresses the header.

Is there any way to accomplish this? I need to send the header as-is, i.e.
no double quotes or any other characters.

(In case it's relevant - it's the "SOAPAction" header. SOAP 1.1 specifies
a different meaning for an empty value and for double quotes.
http://www.w3.org/TR/2000/NOTE-SOAP-20000508/#_Toc478383528)

Regards,
Matthew.
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Received on 2010-08-10