Redirects the user to another page. Requires the to attribute.
Arguments prefixed with "add" or "drop" are treated as prestate
toggles, which are added or removed, respectively, from the current
set of prestates in the URL in the redirect header (see also ). Note that this only works when the
to=... URL is absolute, i.e. begins with a "/", otherwise these
state toggles have no effect.
Where the user should be sent to.
The prestate or prestates that should be added, in a comma seperated
The prestate or prestates that should be dropped, in a comma seperated
Sends a text string to the browser, that hints from where and why the
page was redirected. Not all browsers will show this string. Only
special clients like Telnet uses it.