[Zope] correct 404 error page?

[Sergey Volobuev]

>I was move or delete some subfolders from long running site, but _all_
>search engines (google etc.) still does searching at these failed URLs for
>more than 2 months.
>
>Does somebody have correct error message that these search engines will
>respect?
>  
>

AFAIK, Google needs 301 Moved permanently. More info is on the google 
site. Most search engines also have some docs where described what they 
need to remove page from index.