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-rw-r--r--docs/libcurl/opts/CURLOPT_HTTP_VERSION.39
-rw-r--r--docs/libcurl/symbols-in-versions1
2 files changed, 9 insertions, 1 deletions
diff --git a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
index aed7c0efe..262365e06 100644
--- a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
+++ b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
@@ -45,8 +45,15 @@ Enforce HTTP 1.0 requests.
.IP CURL_HTTP_VERSION_1_1
Enforce HTTP 1.1 requests.
.IP CURL_HTTP_VERSION_2_0
-Attempt HTTP 2 requests. libcurl will fall back to HTTP 1.x if HTTP 2 can't be
+Attempt HTTP 2 requests. libcurl will fall back to HTTP 1.1 if HTTP 2 can't be
negotiated with the server. (Added in 7.33.0)
+
+The alias \fICURL_HTTP_VERSION_2\fI was added in 7.43.0 to better reflect the
+actual protocol name.
+.IP CURL_HTTP_VERSION_2TLS
+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)
.SH DEFAULT
CURL_HTTP_VERSION_NONE
.SH PROTOCOLS
diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions
index ef7981fd9..629d2241c 100644
--- a/docs/libcurl/symbols-in-versions
+++ b/docs/libcurl/symbols-in-versions
@@ -692,6 +692,7 @@ CURL_HTTP_VERSION_1_0 7.9.1
CURL_HTTP_VERSION_1_1 7.9.1
CURL_HTTP_VERSION_2 7.43.0
CURL_HTTP_VERSION_2_0 7.33.0
+CURL_HTTP_VERSION_2TLS 7.47.0
CURL_HTTP_VERSION_NONE 7.9.1
CURL_IPRESOLVE_V4 7.10.8
CURL_IPRESOLVE_V6 7.10.8