Source: https://trac.ietf.org/trac/httpbis/browser/draft-ietf-httpbis/diffs/draft-ietf-httpbis-p6-cache-05-from-4.diff.html?rev=1929&order=name
Timestamp: 2020-08-15 18:18:10
Document Index: 220583904

Matched Legal Cases: ['art1', 'art1', 'art1', 'art1', 'art1', 'art1', 'art1', 'art1']

draft-ietf-httpbis-p6-cache-05-from-4.diff.html in draft-ietf-httpbis/diffs – Hypertext Transfer Protocol Wiki
source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p6-cache-05-from-4.diff.html @ 1929
Last change on this file since 1929 was 547, checked in by julian.reschke@…, 11 years ago
<title>Diff: draft-ietf-httpbis-p6-cache-04.txt - draft-ietf-httpbis-p6-cache-05.txt</title>
<tr bgcolor="orange"><th></th><th>&nbsp;draft-ietf-httpbis-p6-cache-04.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p6-cache-05.txt&nbsp;</th><th></th></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> draft-ietf-httpbis-p6-cache-0<span class="delete">4</span></td><td> </td><td class="rblock"> draft-ietf-httpbis-p6-cache-0<span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 4, line 21</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 4, line 21</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> B.5. Since draft-ietf-httpbis-p6-cache-03 . . . . . . . . . . . 46</td><td> </td><td class="right"> B.5. Since draft-ietf-httpbis-p6-cache-03 . . . . . . . . . . . 46</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46</span></td><td> </td><td class="rblock"> <span class="insert"> B.6. Since draft-ietf-httpbis-p6-cache-04 . . . . . . . . . . . 47</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47</span></td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 8, line 10</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 8, line 10</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> DQUOTE = &lt;DQUOTE, defined in [Part1], Section 2.2&gt;</td><td> </td><td class="right"> DQUOTE = &lt;DQUOTE, defined in [Part1], Section 2.2&gt;</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> port = &lt;port, defined in [Part1], Section 3.2<span class="delete">.1</span>&gt;</td><td> </td><td class="rblock"> port = &lt;port, defined in [Part1], Section 3.2&gt;</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> uri-host = &lt;uri-host, defined in [Part1], Section 3.2<span class="delete">.1</span>&gt;</td><td> </td><td class="rblock"> uri-host = &lt;uri-host, defined in [Part1], Section 3.2&gt;</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">3. Overview</td><td> </td><td class="right">3. Overview</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">3.1. Cache Correctness</td><td> </td><td class="right">3.1. Cache Correctness</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> A correct cache MUST respond to a request with the most up-to-date</td><td> </td><td class="right"> A correct cache MUST respond to a request with the most up-to-date</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> response held by the cache that is appropriate to the request (see</td><td> </td><td class="right"> response held by the cache that is appropriate to the request (see</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Sections 4.5, 4.6, and 14) which meets one of the following</td><td> </td><td class="right"> Sections 4.5, 4.6, and 14) which meets one of the following</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> conditions:</td><td> </td><td class="right"> conditions:</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 27, line 16</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 27, line 16</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">16.1. Age</td><td> </td><td class="right">16.1. Age</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> The <span class="delete">Age response-header field</span> conveys the sender's estimate of the</td><td> </td><td class="rblock"> The <span class="insert">response-header field "Age"</span> conveys the sender's estimate of the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> amount of time since the response (or its revalidation) was generated</td><td> </td><td class="right"> amount of time since the response (or its revalidation) was generated</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> at the origin server. A cached response is "fresh" if its age does</td><td> </td><td class="right"> at the origin server. A cached response is "fresh" if its age does</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> not exceed its freshness lifetime. Age values are calculated as</td><td> </td><td class="right"> not exceed its freshness lifetime. Age values are calculated as</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> specified in Section 4.3.</td><td> </td><td class="right"> specified in Section 4.3.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Age <span class="delete">= "Age" ":" age-value</span></td><td> </td><td class="rblock"> Age <span class="insert"> = "Age" ":" OWS Age-v</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">age-value</span> = delta-seconds</td><td> </td><td class="rblock"> <span class="insert">Age-v</span> = delta-seconds</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Age values are non-negative decimal integers, representing time in</td><td> </td><td class="right"> Age values are non-negative decimal integers, representing time in</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> MUST transmit an Age header with a value of 2147483648 (2^31). An</td><td> </td><td class="right"> MUST transmit an Age header with a value of 2147483648 (2^31). An</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> HTTP/1.1 server that includes a cache MUST include an Age header</td><td> </td><td class="right"> HTTP/1.1 server that includes a cache MUST include an Age header</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> field in every response generated from its own cache. Caches SHOULD</td><td> </td><td class="right"> field in every response generated from its own cache. Caches SHOULD</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> use an arithmetic type of at least 31 bits of range.</td><td> </td><td class="right"> use an arithmetic type of at least 31 bits of range.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">16.2. Cache-Control</td><td> </td><td class="right">16.2. Cache-Control</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> The <span class="delete">Cache-Control general-header field is used to specify directives</span></td><td> </td><td class="rblock"> The <span class="insert">general-header field "Cache-Control" is used to specify</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">that MUST be obeyed by all caching mechanisms along the request/</span></td><td> </td><td class="rblock"> <span class="insert">directives that MUST be obeyed by all caching mechanisms along the</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> re<span class="delete">sponse chain. The directives specify behavior intended to prevent</span></td><td> </td><td class="rblock"> re<span class="insert">quest/response chain. The directives specify behavior intended to</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">caches from adversely interfering with the request or response.</span></td><td> </td><td class="rblock"> <span class="insert">prevent caches from adversely interfering with the request or</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">These directives typically override the default caching algorithms.</span></td><td> </td><td class="rblock"> <span class="insert">response. These directives typically override the default caching</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">Cache directives are unidirectional in that the presence of a</span></td><td> </td><td class="rblock"> <span class="insert">algorithms. Cache directives are unidirectional in that the presence</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">directive in a request does not imply that the same directive is to</span></td><td> </td><td class="rblock"> <span class="insert">of a directive in a request does not imply that the same directive is</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> be given in the response.</td><td> </td><td class="rblock"> <span class="insert">to </span>be given in the response.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Note that HTTP/1.0 caches might not implement Cache-Control and</td><td> </td><td class="right"> Note that HTTP/1.0 caches might not implement Cache-Control and</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> might only implement Pragma: no-cache (see Section 16.4).</td><td> </td><td class="right"> might only implement Pragma: no-cache (see Section 16.4).</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Cache directives MUST be passed through by a proxy or gateway</td><td> </td><td class="right"> Cache directives MUST be passed through by a proxy or gateway</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> application, regardless of their significance to that application,</td><td> </td><td class="right"> application, regardless of their significance to that application,</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> since the directives might be applicable to all recipients along the</td><td> </td><td class="right"> since the directives might be applicable to all recipients along the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> request/response chain. It is not possible to specify a cache-</td><td> </td><td class="right"> request/response chain. It is not possible to specify a cache-</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> directive for a specific cache.</td><td> </td><td class="right"> directive for a specific cache.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Cache-Control = "Cache-Control" ":" <span class="delete">1#cache-directive</span></td><td> </td><td class="rblock"> Cache-Control = "Cache-Control" ":" <span class="insert">OWS Cache-Control-v</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Cache-Control-v = 1#cache-directive</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-directive = cache-request-directive</td><td> </td><td class="right"> cache-directive = cache-request-directive</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> cache-response-directive</td><td> </td><td class="rblock"> <span class="insert">/</span> cache-response-directive</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-request-directive =</td><td> </td><td class="right"> cache-request-directive =</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> "no-cache" ; Section 16.2.1</td><td> </td><td class="right"> "no-cache" ; Section 16.2.1</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "no-store" ; Section 16.2.2</td><td> </td><td class="rblock"> <span class="insert">/</span> "no-store" ; Section 16.2.2</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "max-age" "=" delta-seconds ; Section 16.2.3, 16.2.4</td><td> </td><td class="rblock"> <span class="insert">/</span> "max-age" "=" delta-seconds ; Section 16.2.3, 16.2.4</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "max-stale" [ "=" delta-seconds ] ; Section 16.2.3</td><td> </td><td class="rblock"> <span class="insert">/</span> "max-stale" [ "=" delta-seconds ] ; Section 16.2.3</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "min-fresh" "=" delta-seconds ; Section 16.2.3</td><td> </td><td class="rblock"> <span class="insert">/</span> "min-fresh" "=" delta-seconds ; Section 16.2.3</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "no-transform" ; Section 16.2.5</td><td> </td><td class="rblock"> <span class="insert">/</span> "no-transform" ; Section 16.2.5</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "only-if-cached" ; Section 16.2.4</td><td> </td><td class="rblock"> <span class="insert">/</span> "only-if-cached" ; Section 16.2.4</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> cache-extension ; Section 16.2.6</td><td> </td><td class="rblock"> <span class="insert">/</span> cache-extension ; Section 16.2.6</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-response-directive =</td><td> </td><td class="right"> cache-response-directive =</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> "public" ; Section 16.2.1</td><td> </td><td class="right"> "public" ; Section 16.2.1</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "private" [ "=" DQUOTE 1#field-name DQUOTE ] ; Section 16.2.1</td><td> </td><td class="rblock"> <span class="insert">/</span> "private" [ "=" DQUOTE 1#field-name DQUOTE ] ; Section 16.2.1</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "no-cache" [ "=" DQUOTE 1#field-name DQUOTE ] ; Section 16.2.1</td><td> </td><td class="rblock"> <span class="insert">/</span> "no-cache" [ "=" DQUOTE 1#field-name DQUOTE ] ; Section 16.2.1</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "must-revalidate" ; Section 16.2.4</td><td> </td><td class="rblock"> <span class="insert">/</span> "must-revalidate" ; Section 16.2.4</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "proxy-revalidate" ; Section 16.2.4</td><td> </td><td class="rblock"> <span class="insert">/</span> "proxy-revalidate" ; Section 16.2.4</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "max-age" "=" delta-seconds ; Section 16.2.3</td><td> </td><td class="rblock"> <span class="insert">/</span> "max-age" "=" delta-seconds ; Section 16.2.3</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">|</span> "s-maxage" "=" delta-seconds ; Section 16.2.3</td><td> </td><td class="rblock"> <span class="insert">/</span> "s-maxage" "=" delta-seconds ; Section 16.2.3</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> cache-extension = token [ "=" ( token <span class="delete">|</span> quoted-string ) ]</td><td> </td><td class="rblock"> cache-extension = token [ "=" ( token <span class="insert">/</span> quoted-string ) ]</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> When a directive appears without any 1#field-name parameter, the</td><td> </td><td class="right"> When a directive appears without any 1#field-name parameter, the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> directive applies to the entire request or response. When such a</td><td> </td><td class="right"> directive applies to the entire request or response. When such a</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> directive appears with a 1#field-name parameter, it applies only to</td><td> </td><td class="right"> directive appears with a 1#field-name parameter, it applies only to</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> the named field or fields, and not to the rest of the request or</td><td> </td><td class="right"> the named field or fields, and not to the rest of the request or</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> response. This mechanism supports extensibility; implementations of</td><td> </td><td class="right"> response. This mechanism supports extensibility; implementations of</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> future versions of HTTP might apply these directives to header fields</td><td> </td><td class="right"> future versions of HTTP might apply these directives to header fields</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> not defined in HTTP/1.1.</td><td> </td><td class="right"> not defined in HTTP/1.1.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> The cache-control directives can be broken down into these general</td><td> </td><td class="right"> The cache-control directives can be broken down into these general</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 37, line 24</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 37, line 24</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> intermediate cache that has a fresh copy of the entity). See</td><td> </td><td class="right"> intermediate cache that has a fresh copy of the entity). See</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Section 4 for further discussion of the expiration model.</td><td> </td><td class="right"> Section 4 for further discussion of the expiration model.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> The format is an absolute date and time as defined by HTTP-date in</td><td> </td><td class="right"> The format is an absolute date and time as defined by HTTP-date in</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Section 3.3.1 of [Part1]; it MUST be sent in rfc1123-date format.</td><td> </td><td class="right"> Section 3.3.1 of [Part1]; it MUST be sent in rfc1123-date format.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Expires <span class="delete">= "Expires" ":" HTTP-date</span></td><td> </td><td class="rblock"> Expires <span class="insert"> = "Expires" ":" OWS Expires-v</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Expires-v = HTTP-date</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> age directive (see Section 16.2.3), that directive overrides the</td><td> </td><td class="right"> age directive (see Section 16.2.3), that directive overrides the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Expires field.</td><td> </td><td class="right"> Expires field.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> HTTP/1.1 clients and caches MUST treat other invalid date formats,</td><td> </td><td class="right"> HTTP/1.1 clients and caches MUST treat other invalid date formats,</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l7" /><small>skipping to change at</small><em> page 38, line 7</em></th><th> </th><th><a name="part-r7" /><small>skipping to change at</small><em> page 38, line 7</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> sent. HTTP/1.1 servers SHOULD NOT send Expires dates more than one</td><td> </td><td class="right"> sent. HTTP/1.1 servers SHOULD NOT send Expires dates more than one</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> year in the future.</td><td> </td><td class="right"> year in the future.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> The presence of an Expires header field with a date value of some</td><td> </td><td class="right"> The presence of an Expires header field with a date value of some</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> time in the future on a response that otherwise would by default be</td><td> </td><td class="right"> time in the future on a response that otherwise would by default be</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> non-cacheable indicates that the response is cacheable, unless</td><td> </td><td class="right"> non-cacheable indicates that the response is cacheable, unless</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> indicated otherwise by a Cache-Control header field (Section 16.2).</td><td> </td><td class="right"> indicated otherwise by a Cache-Control header field (Section 16.2).</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">16.4. Pragma</td><td> </td><td class="right">16.4. Pragma</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> The <span class="delete">Pragma general-header field</span> is used to include implementation-</td><td> </td><td class="rblock"> The <span class="insert">general-header field "Pragma"</span> is used to include implementation-</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> specific directives that might apply to any recipient along the</td><td> </td><td class="right"> specific directives that might apply to any recipient along the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> request/response chain. All pragma directives specify optional</td><td> </td><td class="right"> request/response chain. All pragma directives specify optional</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> behavior from the viewpoint of the protocol; however, some systems</td><td> </td><td class="right"> behavior from the viewpoint of the protocol; however, some systems</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> MAY require that behavior be consistent with the directives.</td><td> </td><td class="right"> MAY require that behavior be consistent with the directives.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Pragma = "Pragma" ":" <span class="delete">1#pragma-directive</span></td><td> </td><td class="rblock"> Pragma = "Pragma" ":" <span class="insert">OWS Pragma-v</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">pragma-directive = "no-cache" | extension-pragma</span></td><td> </td><td class="rblock"> <span class="insert">Pragma-v = 1#pragma-directive</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">extension-pragma = token [ "=" ( token | quoted-string ) ]</span></td><td> </td><td class="rblock"> <span class="insert">pragma-directive = "no-cache" / extension-pragma</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> extension-pragma = token [ "=" ( token / quoted-string ) ]</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> When the no-cache directive is present in a request message, an</td><td> </td><td class="right"> When the no-cache directive is present in a request message, an</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> application SHOULD forward the request toward the origin server even</td><td> </td><td class="right"> application SHOULD forward the request toward the origin server even</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> if it has a cached copy of what is being requested. This pragma</td><td> </td><td class="right"> if it has a cached copy of what is being requested. This pragma</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> directive has the same semantics as the no-cache cache-directive (see</td><td> </td><td class="right"> directive has the same semantics as the no-cache cache-directive (see</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Section 16.2) and is defined here for backward compatibility with</td><td> </td><td class="right"> Section 16.2) and is defined here for backward compatibility with</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> HTTP/1.0. Clients SHOULD include both header fields when a no-cache</td><td> </td><td class="right"> HTTP/1.0. Clients SHOULD include both header fields when a no-cache</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> request is sent to a server not known to be HTTP/1.1 compliant.</td><td> </td><td class="right"> request is sent to a server not known to be HTTP/1.1 compliant.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Pragma directives MUST be passed through by a proxy or gateway</td><td> </td><td class="right"> Pragma directives MUST be passed through by a proxy or gateway</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l8" /><small>skipping to change at</small><em> page 38, line 42</em></th><th> </th><th><a name="part-r8" /><small>skipping to change at</small><em> page 38, line 43</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> The <span class="delete">Vary response-header field's value indicates the set of request-</span></td><td> </td><td class="rblock"> The <span class="insert">"Vary" response-header field's value indicates the set of</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">header fields that fully determines, while the response is fresh,</span></td><td> </td><td class="rblock"> <span class="insert">request-header fields that fully determines, while the response is</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> whether a cache is permitted to use the response to reply to a</td><td> </td><td class="rblock"> <span class="insert">fresh, </span>whether a cache is permitted to use the response to reply to a</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> subsequent request without revalidation. For uncacheable or stale</td><td> </td><td class="right"> subsequent request without revalidation. For uncacheable or stale</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> responses, the Vary field value advises the user agent about the</td><td> </td><td class="right"> responses, the Vary field value advises the user agent about the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> criteria that were used to select the representation. A Vary field</td><td> </td><td class="right"> criteria that were used to select the representation. A Vary field</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> value of "*" implies that a cache cannot determine from the request</td><td> </td><td class="right"> value of "*" implies that a cache cannot determine from the request</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> headers of a subsequent request whether this response is the</td><td> </td><td class="right"> headers of a subsequent request whether this response is the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> appropriate representation. See Section 8 for use of the Vary header</td><td> </td><td class="right"> appropriate representation. See Section 8 for use of the Vary header</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> field by caches.</td><td> </td><td class="right"> field by caches.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Vary <span class="delete">= "Vary" ":" ( "*" | 1#field-name )</span></td><td> </td><td class="rblock"> Vary <span class="insert"> = "Vary" ":" OWS Vary-v</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Vary-v = "*" / 1#field-name</span></td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l9" /><small>skipping to change at</small><em> page 39, line 37</em></th><th> </th><th><a name="part-r9" /><small>skipping to change at</small><em> page 39, line 38</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> insensitive.</td><td> </td><td class="right"> insensitive.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> A Vary field value of "*" signals that unspecified parameters not</td><td> </td><td class="right"> A Vary field value of "*" signals that unspecified parameters not</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> limited to the request-headers (e.g., the network address of the</td><td> </td><td class="right"> limited to the request-headers (e.g., the network address of the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> client), play a role in the selection of the response representation.</td><td> </td><td class="right"> client), play a role in the selection of the response representation.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> The "*" value MUST NOT be generated by a proxy server; it may only be</td><td> </td><td class="right"> The "*" value MUST NOT be generated by a proxy server; it may only be</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> generated by an origin server.</td><td> </td><td class="right"> generated by an origin server.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">16.6. Warning</td><td> </td><td class="right">16.6. Warning</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> The <span class="delete">Warning general-header field</span> is used to carry additional</td><td> </td><td class="rblock"> The <span class="insert">general-header field "Warning"</span> is used to carry additional</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> information about the status or transformation of a message which</td><td> </td><td class="right"> information about the status or transformation of a message which</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> might not be reflected in the message. This information is typically</td><td> </td><td class="right"> might not be reflected in the message. This information is typically</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> used to warn about a possible lack of semantic transparency from</td><td> </td><td class="right"> used to warn about a possible lack of semantic transparency from</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> caching operations or transformations applied to the entity body of</td><td> </td><td class="right"> caching operations or transformations applied to the entity body of</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> the message.</td><td> </td><td class="right"> the message.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Warning headers are sent with responses using:</td><td> </td><td class="right"> Warning headers are sent with responses using:</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Warning = "Warning" ":" <span class="delete">1#warning-value</span></td><td> </td><td class="rblock"> Warning = "Warning" ":" <span class="insert">OWS Warning-v</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Warning-v = 1#warning-value</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warning-value = warn-code SP warn-agent SP warn-text</td><td> </td><td class="right"> warning-value = warn-code SP warn-agent SP warn-text</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> [SP warn-date]</td><td> </td><td class="right"> [SP warn-date]</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-code = 3DIGIT</td><td> </td><td class="right"> warn-code = 3DIGIT</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> warn-agent = ( uri-host [ ":" port ] ) <span class="delete">|</span> pseudonym</td><td> </td><td class="rblock"> warn-agent = ( uri-host [ ":" port ] ) <span class="insert">/</span> pseudonym</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> ; the name or pseudonym of the server adding</td><td> </td><td class="right"> ; the name or pseudonym of the server adding</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> ; the Warning header, for use in debugging</td><td> </td><td class="right"> ; the Warning header, for use in debugging</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-text = quoted-string</td><td> </td><td class="right"> warn-text = quoted-string</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-date = DQUOTE HTTP-date DQUOTE</td><td> </td><td class="right"> warn-date = DQUOTE HTTP-date DQUOTE</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> A response MAY carry more than one Warning header.</td><td> </td><td class="right"> A response MAY carry more than one Warning header.</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> The warn-text SHOULD be in a natural language and character set that</td><td> </td><td class="right"> The warn-text SHOULD be in a natural language and character set that</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> is most likely to be intelligible to the human user receiving the</td><td> </td><td class="right"> is most likely to be intelligible to the human user receiving the</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> response. This decision MAY be based on any available knowledge,</td><td> </td><td class="right"> response. This decision MAY be based on any available knowledge,</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l10" /><small>skipping to change at</small><em> page 43, line 27</em></th><th> </th><th><a name="part-r10" /><small>skipping to change at</small><em> page 43, line 29</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> Semantics", draft-ietf-httpbis-p2-semantics-0<span class="delete">4</span> (work in</td><td> </td><td class="rblock"> Semantics", draft-ietf-httpbis-p2-semantics-0<span class="insert">5</span> (work in</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> draft-ietf-httpbis-p7-auth-0<span class="delete">4</span> (work in progress),</td><td> </td><td class="rblock"> draft-ietf-httpbis-p7-auth-0<span class="insert">5</span> (work in progress),</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l11" /><small>skipping to change at</small><em> page 45, line 30</em></th><th> </th><th><a name="part-r11" /><small>skipping to change at</small><em> page 45, line 31</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">B.2. Since draft-ietf-httpbis-p6-cache-00</td><td> </td><td class="right">B.2. Since draft-ietf-httpbis-p6-cache-00</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.</span>tools.ietf.org/wg/httpbis/trac/ticket/9&gt;: "Trailer"</td><td> </td><td class="rblock"> o &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/9&gt;: "Trailer"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> (&lt;http://purl.org/NET/http-errata#trailer-hop&gt;)</td><td> </td><td class="right"> (&lt;http://purl.org/NET/http-errata#trailer-hop&gt;)</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/12&gt;:</span></td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/12&gt;: "Invalidation</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">"Invalidation </span>after Update or Delete"</td><td> </td><td class="rblock"> after Update or Delete"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> (&lt;http://purl.org/NET/http-errata#invalidupd&gt;)</td><td> </td><td class="right"> (&lt;http://purl.org/NET/http-errata#invalidupd&gt;)</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/48&gt;: "Dat</span>e</td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/48&gt;: "Date referenc</span>e</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">reference </span>typo"</td><td> </td><td class="rblock"> typo"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/49&gt;:</span></td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/49&gt;: "Connection</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">"Connection </span>header text"</td><td> </td><td class="rblock"> header text"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/65&gt;:</span></td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/65&gt;: "Informative</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">"Informative </span>references"</td><td> </td><td class="rblock"> references"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> o &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/66&gt;: "ISO-8859-1</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Reference"</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/66&gt;:</span></td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/86&gt;: "Normative up-</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">"ISO-8859-1 Reference</span>"</td><td> </td><td class="rblock"> <span class="insert">to-date references</span>"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete"> o &lt;http://www3.tools.ietf.org/wg/httpbis/trac/ticket/86&gt;: "Normative</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete"> up-to-date references"</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.</span>tools.ietf.org/wg/httpbis/trac/ticket/87&gt;: "typo in</td><td> </td><td class="rblock"> o &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/87&gt;: "typo in</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> 13.2.2"</td><td> </td><td class="right"> 13.2.2"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> on &lt;http://<span class="delete">www3.</span>tools.ietf.org/wg/httpbis/trac/ticket/36&gt;)</td><td> </td><td class="rblock"> on &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/36&gt;)</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/82&gt;: "rel_path</span></td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/82&gt;: "rel_path not</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">not </span>used"</td><td> </td><td class="rblock"> used"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> in progress on</td><td> </td><td class="rblock"> in progress on<span class="insert"> &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/36&gt;)</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete"> &lt;http://www3.tools.ietf.org/wg/httpbis/trac/ticket/36&gt;)</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left">B.5. Since draft-ietf-httpbis-p6-cache-03</td><td> </td><td class="right">B.5. Since draft-ietf-httpbis-p6-cache-03</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> o &lt;http://<span class="delete">www3.tools.ietf.org/wg/httpbis/trac/ticket/106&gt;: "Vary</span></td><td> </td><td class="rblock"> o &lt;http://<span class="insert">tools.ietf.org/wg/httpbis/trac/ticket/106&gt;: "Vary header</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">header </span>classification"</td><td> </td><td class="rblock"> classification"</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">B.6. Since draft-ietf-httpbis-p6-cache-04</span></td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray" ><td></td><th><a name="part-l12" /><small>skipping to change at</small><em> page 47, line 34</em></th><th> </th><th><a name="part-r12" /><small>skipping to change at</small><em> page 48, line 6</em></th><td></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> explicit expiration time 7</td><td> </td><td class="right"> explicit expiration time 7</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> first-hand 6</td><td> </td><td class="right"> first-hand 6</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> fresh 7</td><td> </td><td class="right"> fresh 7</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> freshness lifetime 7</td><td> </td><td class="right"> freshness lifetime 7</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">age-value</span> 27</td><td> </td><td class="rblock"> <span class="insert">Age-v</span> 27</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Cache-Control 28</td><td> </td><td class="right"> Cache-Control 28</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Cache-Control-v 28</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-directive 28</td><td> </td><td class="right"> cache-directive 28</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-extension 28</td><td> </td><td class="right"> cache-extension 28</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-request-directive 28</td><td> </td><td class="right"> cache-request-directive 28</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> cache-response-directive 28</td><td> </td><td class="right"> cache-response-directive 28</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> delta-seconds 27</td><td> </td><td class="right"> delta-seconds 27</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Expires-v 37</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> extension-pragma 38</td><td> </td><td class="right"> extension-pragma 38</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> pragma-directive 38</td><td> </td><td class="right"> pragma-directive 38</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"> <span class="delete">Vary</span> 38</td><td> </td><td class="rblock"> <span class="insert">Pragma-v</span> 38</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Vary 39</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Vary-v 39</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-agent 40</td><td> </td><td class="right"> warn-agent 40</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-code 40</td><td> </td><td class="right"> warn-code 40</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-date 40</td><td> </td><td class="right"> warn-date 40</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warn-text 40</td><td> </td><td class="right"> warn-text 40</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> Warning 40</td><td> </td><td class="right"> Warning 40</td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Warning-v 40</span></td><td class="lineno" valign="top"></td></tr>
<tr><td class="lineno" valign="top"></td><td class="left"> warning-value 40</td><td> </td><td class="right"> warning-value 40</td><td class="lineno" valign="top"></td></tr>
<tr bgcolor="gray"><th colspan="5" align="center"><a name="end">&nbsp;End of changes. 54 change blocks.&nbsp;</a></th></tr>
<tr class="stats"><td></td><th><i>92 lines changed or deleted</i></th><th><i> </i></th><th><i>116 lines changed or added</i></th><td></td></tr>