docs/cmdline: mention what happens when used multiple times

For --dns-ipv4-addr, --dns-ipv6-addr and --dns-servers

Closes #7410
Closes #7411
Closes #7412

diff --git a/docs/cmdline-opts/dns-ipv4-addr.d b/docs/cmdline-opts/dns-ipv4-addr.d
index 5ebdda5cad05026bfc75a3e4b57a4b658078bff8..0d7bae6f0effbdf2c3118ff3accf164b0d05109c 100644 (file)
--- a/docs/cmdline-opts/dns-ipv4-addr.d
+++ b/docs/cmdline-opts/dns-ipv4-addr.d
@@ -10,3 +10,5 @@ Category: dns
 Tell curl to bind to <ip-address> when making IPv4 DNS requests, so that
 the DNS requests originate from this address. The argument should be a
 single IPv4 address.
+
+If this option is used several times, the last one will be used.

diff --git a/docs/cmdline-opts/dns-ipv6-addr.d b/docs/cmdline-opts/dns-ipv6-addr.d
index 10e8076461d4a78119a1a30d133c97cb34019301..a964dbb061761aee862160e40661132401a45382 100644 (file)
--- a/docs/cmdline-opts/dns-ipv6-addr.d
+++ b/docs/cmdline-opts/dns-ipv6-addr.d
@@ -10,3 +10,5 @@ Category: dns
 Tell curl to bind to <ip-address> when making IPv6 DNS requests, so that
 the DNS requests originate from this address. The argument should be a
 single IPv6 address.
+
+If this option is used several times, the last one will be used.

diff --git a/docs/cmdline-opts/dns-servers.d b/docs/cmdline-opts/dns-servers.d
index 0ff26636c1f846971032f2e6b92e98070c0d15bf..a0954b31f00a417ffdfc820cad55023b0dfe7004 100644 (file)
--- a/docs/cmdline-opts/dns-servers.d
+++ b/docs/cmdline-opts/dns-servers.d
@@ -9,3 +9,5 @@ Set the list of DNS servers to be used instead of the system default.
 The list of IP addresses should be separated with commas. Port numbers
 may also optionally be given as *:<port-number>* after each IP
 address.
+
+If this option is used several times, the last one will be used.