[Zope] Reloading a page.

[Samuel D. Gendler]

Curtis Maloney wrote:

> 
> These headers should mean that nothing caches your pages.  Not your browser
> or any proxies along the way.  Another option is to just use the "Expires"
> line, and set it to 10seconds or so into the future...
> 
> >                                               Daniel C. Azevedo
> 

It is legal to send Expires: 0 to signify an uncacheable object in
HTTP/1.1.  If you want to work with any browser and webcache, use
Pragma: no-cache.  You can't rely on everyone to handle the Expires
header correctly, especially Expires: 0.  Pragma: no-cache has been
around forever.

--sam