libcurl was built with support for Mozilla's Public Suffix List. This makes
libcurl ignore cookies with a domain that's on the list.
(Added in 7.47.0)
-.IP CURL_VERSION_HTTPS_PROXY
-libcurl was built with support for HTTPS-proxy.
-(Added in 7.52.0)
.RE
\fIssl_version\fP is an ASCII string for the OpenSSL version used. If libcurl
has no SSL support, this is NULL.