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-rw-r--r--docs/libcurl/curl_easy_setopt.39
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3
index a388c2220..9d712a45e 100644
--- a/docs/libcurl/curl_easy_setopt.3
+++ b/docs/libcurl/curl_easy_setopt.3
@@ -2093,11 +2093,12 @@ Resolve to IPv6 addresses.
.IP CURLOPT_CONNECT_ONLY
Pass a long. If the parameter equals 1, it tells the library to perform all
the required proxy authentication and connection setup, but no data transfer.
-This option is useful only on HTTP URLs.
+This option is implemented for HTTP, SMTP and POP3.
-This option is useful with the \fICURLINFO_LASTSOCKET\fP option to
-\fIcurl_easy_getinfo(3)\fP. The library can set up the connection and then the
-application can obtain the most recently used socket for special data
+The option can be used to simply test a connection to a server, but is more
+useful when used with the \fICURLINFO_LASTSOCKET\fP option to
+\fIcurl_easy_getinfo(3)\fP as the library can set up the connection and then
+the application can obtain the most recently used socket for special data
transfers. (Added in 7.15.2)
.IP CURLOPT_USE_SSL
Pass a long using one of the values from below, to make libcurl use your