the application can obtain the most recently used socket for special data
transfers.
-Since 7.85.0, this option can be set to '2' and if HTTP or WebSockets are
+Since 7.86.0, this option can be set to '2' and if HTTP or WebSocket are
used, libcurl will do the request and read all response headers before handing
over control to the application.
.SH DEFAULT
0
.SH PROTOCOLS
-HTTP, SMTP, POP3 and IMAP
+HTTP, SMTP, POP3 and IMAP. For WS and WSS starting in 7.86.0.
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();