what does the "main" pointor in request struct mean?

[agentzh]

On Fri, May 28, 2010 at 2:19 PM, 4everpan <nginx-forum at nginx.us> wrote:
> But I'm not familiar with SSI or shtml protocal...  So... let me think about it:
> When I enter the URL "http://www.g.cn" into IE, the URL will be redirected to "http://www.google.cn" such as follows:
>
> Started Time    Sent    Received        Method  Result  Type                    URL
> + 0.000 0.134   406     532     GET     301     Redirect to http://www.google.cn/webhp?source=g_cn      http://www.g.cn/
>
> Dose the GET of  URL"http://www.google.cn/webhp?source=g_cn" is a sub-request of the GET of URL"http://www.g.cn/"?
>

No.

Both of them are "main requests".

Cheers,
-agentzh