[support] Clear cache on update

[Hendry]

Hi Gordon,

AFAIK, the cache won't be updated until the cache expired, unless
you're an authorized user where there won't be any caching. Currently,
we need to manually clear the cache if we want the changes to be
available immediately to public users.

# Hendry

On Tue, Mar 30, 2010 at 3:51 PM, Gordon Heydon <gordon at heydon.com.au> wrote:
> Hi,
>
> That is what the caching system does already in that it clears the cache when content is updated. But because of that you can't turn off cache expire or updated pages will never change on proxies or browsers.
>
> Gordon.