Changeset 1436 for draft-ietf-httpbis/latest/p6-cache.xml

Timestamp:

Sep 2, 2011, 6:55:23 PM (8 years ago)

Author:

fielding@…

Message:

(editorial) Move Date and HTTP-date from p1 to p2.
Move bizarre clockless requirements to p4 (Last-Modified) and p6 (Expires)

File:

• draft-ietf-httpbis/latest/p6-cache.xml (modified) (6 diffs)

draft-ietf-httpbis/latest/p6-cache.xml

@@ -26 +26 @@
   <!ENTITY partial                     "<xref target='Part5' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
   <!ENTITY combining-byte-ranges       "<xref target='Part5' x:rel='#combining.byte.ranges' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
-  <!ENTITY full-date                   "<xref target='Part1' x:rel='#date.time.formats.full.date' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
+  <!ENTITY http-date                   "<xref target='Part2' x:rel='#http.date' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
   <!ENTITY header-authorization        "<xref target='Part7' x:rel='#header.authorization' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
   <!ENTITY header-connection           "<xref target='Part1' x:rel='#header.connection' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
-  <!ENTITY header-date                 "<xref target='Part1' x:rel='#header.date' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
+  <!ENTITY header-date                 "<xref target='Part2' x:rel='#header.date' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
   <!ENTITY header-via                  "<xref target='Part1' x:rel='#header.via' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
   <!ENTITY header-last-modified        "<xref target='Part4' x:rel='#header.last-modified' xmlns:x='http://purl.org/net/xml2rfc/ext'/>">
@@ -453 +453 @@
 <figure><!--Part1--><artwork type="abnf2616">
   <x:ref>field-name</x:ref>    = &lt;field-name, defined in &header-fields;&gt;
-  <x:ref>HTTP-date</x:ref>     = &lt;HTTP-date, defined in &full-date;&gt;
+  <x:ref>HTTP-date</x:ref>     = &lt;HTTP-date, defined in &http-date;&gt;
   <x:ref>port</x:ref>          = &lt;port, defined in &uri;&gt;
   <x:ref>pseudonym</x:ref>     = &lt;pseudonym, defined in &header-via;&gt; 
@@ -1601 +1601 @@
 <t>
    The field-value is an absolute date and time as defined by HTTP-date in
-   &full-date;; a sender &MUST; use the rfc1123-date format.
+   &http-date;; a sender &MUST; use the rfc1123-date format.
 </t>
 <figure><artwork type="abnf2616"><iref primary="true" item="Grammar" subitem="Expires"/>
@@ -1631 +1631 @@
    time values), and most caches will evict a response far sooner than 
    that. Therefore, senders ought not produce them.
+</t>
+<t>
+   An origin server without a clock &MUST-NOT; assign Expires
+   values to a response unless these values were associated
+   with the resource by a system or user with a reliable clock. It &MAY;
+   assign an Expires value that is known, at or before server
+   configuration time, to be in the past (this allows "pre-expiration"
+   of responses without storing separate Expires values for each
+   resource).
 </t>
 </section>
@@ -2468 +2477 @@
 <x:ref>Expires</x:ref> = HTTP-date
 
-<x:ref>HTTP-date</x:ref> = &lt;HTTP-date, defined in [Part1], Section 6.1&gt;
+<x:ref>HTTP-date</x:ref> = &lt;HTTP-date, defined in [Part2], Section 8&gt;
 
 <x:ref>OWS</x:ref> = &lt;OWS, defined in [Part1], Section 1.2.2&gt;
@@ -2502 +2511 @@
 <x:ref>port</x:ref> = &lt;port, defined in [Part1], Section 2.7&gt;
 <x:ref>pragma-directive</x:ref> = "no-cache" / extension-pragma
-<x:ref>pseudonym</x:ref> = &lt;pseudonym, defined in [Part1], Section 9.9&gt;
+<x:ref>pseudonym</x:ref> = &lt;pseudonym, defined in [Part1], Section 8.8&gt;
 
 <x:ref>quoted-string</x:ref> = &lt;quoted-string, defined in [Part1], Section 3.2.3&gt;