From 213d3c7b0c05a1071b93448a56d0661147ce6d50 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Thu, 31 Mar 2016 22:04:09 +0200 Subject: http2: more documentation for prior knowledge --- docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'docs/libcurl/opts') diff --git a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 index dd57a2989..f56d61a5c 100644 --- a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 +++ b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 @@ -5,7 +5,7 @@ .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * -.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, , et al. +.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, , et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms @@ -54,6 +54,11 @@ actual protocol name. Attempt HTTP 2 over TLS (HTTPS) only. libcurl will fall back to HTTP 1.1 if HTTP 2 can't be negotiated with the HTTPS server. For clear text HTTP servers, libcurl will use 1.1. (Added in 7.47.0) +.IP CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE +Issue non-TLS HTTP requests using HTTP/2 without HTTP/1.1 Upgrade. It requires +prior knowledge that the server supports HTTP/2 straight away. HTTPS requests +will still do HTTP/2 the standard way with negotiated protocol version in the +TLS handshake. .SH DEFAULT CURL_HTTP_VERSION_NONE .SH PROTOCOLS -- cgit v1.2.3