predicate
, a TALES expression
with access to the following top-level names:object
view
keywords
request
member
modules
nothing
time
mtime_func
, which is another TALES expression evaluated
against the same namespace. If not specified explicitly,
uses object/modified
.max_age_secs
,
if passed; it should be an integer value in seconds. no_cache=1
argument => "no-cache" token
no_store=1
argument => "no-store" token
must_revalidate=1
argument => "must-revalidate" token