Hi all,

After some experiments with proxy types and CURLPROXY_HTTP_1_0, I found
that it does not change the protocol version for plain HTTP proxies.
It only works for proxy tunnels (when CURLOPT_HTTPPROXYTUNNEL is set to
1). Look:

Tunnel, CURLOPT_PROXYTYPE = CURLPROXY_HTTP:

** About to connect() to proxy blabla port 8080 (#0)
** Trying 192.168.1.19... ** connected
** Connected to blabla (192.168.1.19) port 8080 (#0)
** Establish HTTP proxy tunnel to www.google.ru:80
>> CONNECT www.google.ru:80 HTTP/1.1
[...]

Tunnel, CURLOPT_PROXYTYPE = CURLPROXY_HTTP_1_0:

** About to connect() to proxy blabla port 8080 (#0)
** Trying 192.168.1.19... ** connected
** Connected to blabla (192.168.1.19) port 8080 (#0)
** Establish HTTP proxy tunnel to www.google.ru:80
>> CONNECT www.google.ru:80 HTTP/1.0
[...]

So far so good. Now the same without tunnelling:

No tunnel, CURLOPT_PROXYTYPE = CURLPROXY_HTTP:

** About to connect() to proxy blabla port 8080 (#0)
** Trying 192.168.1.19... ** connected
** Connected to blabla (192.168.1.19) port 8080 (#0)
>> GET http://www.google.ru/ HTTP/1.1
[...]

No tunnel, CURLOPT_PROXYTYPE = CURLPROXY_HTTP_1_0:

** About to connect() to proxy blabla port 8080 (#0)
 ** Trying 192.168.1.19... ** connected
 ** Connected to blabla (192.168.1.19) port 8080 (#0)
>> GET http://www.google.ru/ HTTP/1.1
 [...]

The library is using HTTP/1.1 though I specifically ordered HTTP/1.0.

--
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