curl: document the new --tlsv1.[012] options

for TLS-SRP (RFC 5054). If \fI--tlsuser\fP and \fI--tlspassword\fP are

specified but \fI--tlsauthtype\fP is not, then this option defaults to "SRP".

(Added in 7.21.4)

.IP "--tlsuser <user>"

Set username for use with the TLS authentication method specified with

\fI--tlsauthtype\fP. Requires that \fI--tlspassword\fP also be set.  (Added in

7.21.4)

.IP "--tlspassword <password>"

Set password for use with the TLS authentication method specified with

\fI--tlsauthtype\fP. Requires that \fI--tlsuser\fP also be set.  (Added in

7.21.4)

.IP "--tlsuser <user>"

Set username for use with the TLS authentication method specified with

\fI--tlsauthtype\fP. Requires that \fI--tlspassword\fP also be set.  (Added in

7.21.4)

.IP "--tlsv1.0"

(SSL)

Forces curl to use TLS version 1.0 when negotiating with a remote TLS server.

(Added in 7.34.0)

.IP "--tlsv1.1"

(SSL)

Forces curl to use TLS version 1.1 when negotiating with a remote TLS server.

(Added in 7.34.0)

.IP "--tlsv1.2"

(SSL)

Forces curl to use TLS version 1.2 when negotiating with a remote TLS server.

(Added in 7.34.0)

.IP "--tr-encoding"

(HTTP) Request a compressed Transfer-Encoding response using one of the

algorithms curl supports, and uncompress the data while receiving it.