doing CONNECT, libcurl will send \fICURLOPT_PROXYHEADER\fP headers only do the
proxy and then \fICURLOPT_HTTPHEADER\fP headers only to the server.
-(Added in 7.36.0)
+(Added in 7.37.0)
.IP CURLOPT_PROXYHEADER
Pass a pointer to a linked list of HTTP headers to pass in your HTTP request
sent to a proxy. The rules for this list is identical to the
Pass a NULL to this to reset back to no custom headers.
-This option was added in libcurl 7.36.0.
+This option was added in libcurl 7.37.0.
.IP CURLOPT_HTTP200ALIASES
Pass a pointer to a linked list of aliases to be treated as valid HTTP 200
responses. Some servers respond with a custom header response line. For