[PATCH] Documented the "ipv4=off" parameter of the "resolver" directive

[Maxim Dounin]

Hello!

On Thu, Jul 14, 2022 at 06:51:28PM +0100, Yaroslav Zhuravlev wrote:

> # User Yaroslav Zhuravlev <yar at nginx.com>
> # Date 1657820606 -3600
> #      Thu Jul 14 18:43:26 2022 +0100
> # Node ID ef51bb5722334aea46d2846d7a30d671b0f624db
> # Parent  9172cf4d2713b685d6956810e5fcad4c29881637
> Documented the "ipv4=off" parameter of the "resolver" directive.
> 
> diff --git a/xml/en/docs/http/ngx_http_core_module.xml b/xml/en/docs/http/ngx_http_core_module.xml
> --- a/xml/en/docs/http/ngx_http_core_module.xml
> +++ b/xml/en/docs/http/ngx_http_core_module.xml
> @@ -10,7 +10,7 @@
>  <module name="Module ngx_http_core_module"
>          link="/en/docs/http/ngx_http_core_module.html"
>          lang="en"
> -        rev="99">
> +        rev="100">
>  
>  <section id="directives" name="Directives">
>  
> @@ -2181,6 +2181,7 @@
>      <value>address</value> ...
>      [<literal>valid</literal>=<value>time</value>]
>      [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
> +    [<literal>ipv4</literal>=<literal>on</literal>|<literal>off</literal>]
>      [<literal>status_zone</literal>=<value>zone</value>]</syntax>
>  <default/>
>  <context>http</context>
> @@ -2214,6 +2215,11 @@
>  </note>
>  </para>
>  
> +<para id="resolver_ipv4">
> +If looking up of IPv4 addresses is not desired,
> +the <literal>ipv4=off</literal> parameter can be specified (1.23.1).
> +</para>

Shouldn't it be in the same paragraph which describes the default 
behaviour ("both IPv4 and IPv6 addresses") and "ipv6=off"?

It might be also a good idea to describe "ipv6=off" and 
"ipv4=off" in one sentence instead of repeating the same phrase 
twice.

-- 
Maxim Dounin
http://mdounin.ru/