source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p4-conditional-10-from-09.diff.html @ 848

Last change on this file since 848 was 848, checked in by julian.reschke@…, 9 years ago

fix issue list link in boilerplate

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36<body > 
37  <table border="0" cellpadding="0" cellspacing="0"> 
38  <tr bgcolor="orange"><th></th><th>&nbsp;draft-ietf-httpbis-p4-conditional-09.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p4-conditional-10.txt&nbsp;</th><th></th></tr> 
39      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
40      <tr><td class="lineno" valign="top"></td><td class="left">HTTPbis Working Group                                   R. Fielding, Ed.</td><td> </td><td class="right">HTTPbis Working Group                                   R. Fielding, Ed.</td><td class="lineno" valign="top"></td></tr>
41      <tr><td class="lineno" valign="top"></td><td class="left">Internet-Draft                                              Day Software</td><td> </td><td class="right">Internet-Draft                                              Day Software</td><td class="lineno" valign="top"></td></tr>
42      <tr><td class="lineno" valign="top"></td><td class="left">Obsoletes: 2616 (if approved)                                  J. Gettys</td><td> </td><td class="right">Obsoletes: 2616 (if approved)                                  J. Gettys</td><td class="lineno" valign="top"></td></tr>
43      <tr><td><a name="diff0001" /></td></tr>
44      <tr><td class="lineno" valign="top"></td><td class="lblock">Intended status: Standards Track                    <span class="delete">One Laptop per Child</span></td><td> </td><td class="rblock">Intended status: Standards Track                          <span class="insert">Alcatel-Lucent</span></td><td class="lineno" valign="top"></td></tr>
45      <tr><td class="lineno" valign="top"></td><td class="lblock">Expires: <span class="delete">September 9, 2010</span>                                      J. Mogul</td><td> </td><td class="rblock">Expires: <span class="insert">January 13, 2011</span>                                       J. Mogul</td><td class="lineno" valign="top"></td></tr>
46      <tr><td class="lineno" valign="top"></td><td class="left">                                                                      HP</td><td> </td><td class="right">                                                                      HP</td><td class="lineno" valign="top"></td></tr>
47      <tr><td class="lineno" valign="top"></td><td class="left">                                                              H. Frystyk</td><td> </td><td class="right">                                                              H. Frystyk</td><td class="lineno" valign="top"></td></tr>
48      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
49      <tr><td class="lineno" valign="top"></td><td class="left">                                                             L. Masinter</td><td> </td><td class="right">                                                             L. Masinter</td><td class="lineno" valign="top"></td></tr>
50      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Adobe Systems</td><td> </td><td class="right">                                                           Adobe Systems</td><td class="lineno" valign="top"></td></tr>
51      <tr><td class="lineno" valign="top"></td><td class="left">                                                                P. Leach</td><td> </td><td class="right">                                                                P. Leach</td><td class="lineno" valign="top"></td></tr>
52      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
53      <tr><td class="lineno" valign="top"></td><td class="left">                                                          T. Berners-Lee</td><td> </td><td class="right">                                                          T. Berners-Lee</td><td class="lineno" valign="top"></td></tr>
54      <tr><td class="lineno" valign="top"></td><td class="left">                                                                 W3C/MIT</td><td> </td><td class="right">                                                                 W3C/MIT</td><td class="lineno" valign="top"></td></tr>
55      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Y. Lafon, Ed.</td><td> </td><td class="right">                                                           Y. Lafon, Ed.</td><td class="lineno" valign="top"></td></tr>
56      <tr><td class="lineno" valign="top"></td><td class="left">                                                                     W3C</td><td> </td><td class="right">                                                                     W3C</td><td class="lineno" valign="top"></td></tr>
57      <tr><td class="lineno" valign="top"></td><td class="left">                                                         J. Reschke, Ed.</td><td> </td><td class="right">                                                         J. Reschke, Ed.</td><td class="lineno" valign="top"></td></tr>
58      <tr><td class="lineno" valign="top"></td><td class="left">                                                              greenbytes</td><td> </td><td class="right">                                                              greenbytes</td><td class="lineno" valign="top"></td></tr>
59      <tr><td><a name="diff0002" /></td></tr>
60      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                           <span class="delete">March 8</span>, 2010</td><td> </td><td class="rblock">                                                           <span class="insert">July 12</span>, 2010</td><td class="lineno" valign="top"></td></tr>
61      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
62      <tr><td class="lineno" valign="top"></td><td class="left">                 HTTP/1.1, part 4: Conditional Requests</td><td> </td><td class="right">                 HTTP/1.1, part 4: Conditional Requests</td><td class="lineno" valign="top"></td></tr>
63      <tr><td><a name="diff0003" /></td></tr>
64      <tr><td class="lineno" valign="top"></td><td class="lblock">                  draft-ietf-httpbis-p4-conditional-<span class="delete">09</span></td><td> </td><td class="rblock">                  draft-ietf-httpbis-p4-conditional-<span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
65      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
66      <tr><td class="lineno" valign="top"></td><td class="left">Abstract</td><td> </td><td class="right">Abstract</td><td class="lineno" valign="top"></td></tr>
67      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
68      <tr><td class="lineno" valign="top"></td><td class="left">   The Hypertext Transfer Protocol (HTTP) is an application-level</td><td> </td><td class="right">   The Hypertext Transfer Protocol (HTTP) is an application-level</td><td class="lineno" valign="top"></td></tr>
69      <tr><td class="lineno" valign="top"></td><td class="left">   protocol for distributed, collaborative, hypermedia information</td><td> </td><td class="right">   protocol for distributed, collaborative, hypermedia information</td><td class="lineno" valign="top"></td></tr>
70      <tr><td class="lineno" valign="top"></td><td class="left">   systems.  HTTP has been in use by the World Wide Web global</td><td> </td><td class="right">   systems.  HTTP has been in use by the World Wide Web global</td><td class="lineno" valign="top"></td></tr>
71      <tr><td class="lineno" valign="top"></td><td class="left">   information initiative since 1990.  This document is Part 4 of the</td><td> </td><td class="right">   information initiative since 1990.  This document is Part 4 of the</td><td class="lineno" valign="top"></td></tr>
72      <tr><td class="lineno" valign="top"></td><td class="left">   seven-part specification that defines the protocol referred to as</td><td> </td><td class="right">   seven-part specification that defines the protocol referred to as</td><td class="lineno" valign="top"></td></tr>
73      <tr><td class="lineno" valign="top"></td><td class="left">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 4 defines</td><td> </td><td class="right">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 4 defines</td><td class="lineno" valign="top"></td></tr>
74      <tr><td class="lineno" valign="top"></td><td class="left">   request header fields for indicating conditional requests and the</td><td> </td><td class="right">   request header fields for indicating conditional requests and the</td><td class="lineno" valign="top"></td></tr>
75      <tr><td class="lineno" valign="top"></td><td class="left">   rules for constructing responses to those requests.</td><td> </td><td class="right">   rules for constructing responses to those requests.</td><td class="lineno" valign="top"></td></tr>
76      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
77      <tr><td class="lineno" valign="top"></td><td class="left">Editorial Note (To be removed by RFC Editor)</td><td> </td><td class="right">Editorial Note (To be removed by RFC Editor)</td><td class="lineno" valign="top"></td></tr>
78      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
79      <tr><td class="lineno" valign="top"></td><td class="left">   Discussion of this draft should take place on the HTTPBIS working</td><td> </td><td class="right">   Discussion of this draft should take place on the HTTPBIS working</td><td class="lineno" valign="top"></td></tr>
80      <tr><td class="lineno" valign="top"></td><td class="left">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</td><td> </td><td class="right">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</td><td class="lineno" valign="top"></td></tr>
81      <tr><td><a name="diff0004" /></td></tr>
82      <tr><td class="lineno" valign="top"></td><td class="lblock">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/<span class="delete">11</span>&gt; and related</td><td> </td><td class="rblock">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/<span class="insert">3</span>&gt; and related</td><td class="lineno" valign="top"></td></tr>
83      <tr><td class="lineno" valign="top"></td><td class="left">   documents (including fancy diffs) can be found at</td><td> </td><td class="right">   documents (including fancy diffs) can be found at</td><td class="lineno" valign="top"></td></tr>
84      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td> </td><td class="right">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td class="lineno" valign="top"></td></tr>
85      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
86      <tr><td><a name="diff0005" /></td></tr>
87      <tr><td class="lineno" valign="top"></td><td class="lblock">   The changes in this draft are summarized in Appendix C.1<span class="delete">0</span>.</td><td> </td><td class="rblock">   The changes in this draft are summarized in Appendix C.1<span class="insert">1</span>.</td><td class="lineno" valign="top"></td></tr>
88      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
89      <tr><td><a name="diff0006" /></td></tr>
90      <tr><td class="lineno" valign="top"></td><td class="lblock">Status of <span class="delete">t</span>his Memo</td><td> </td><td class="rblock">Status of <span class="insert">T</span>his Memo</td><td class="lineno" valign="top"></td></tr>
91      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
92      <tr><td><a name="diff0007" /></td></tr>
93      <tr><td class="lineno" valign="top"></td><td class="lblock">   This Internet-Draft is submitted <span class="delete">to IETF </span>in full conformance with the</td><td> </td><td class="rblock">   This Internet-Draft is submitted in full conformance with the</td><td class="lineno" valign="top"></td></tr>
94      <tr><td class="lineno" valign="top"></td><td class="left">   provisions of BCP 78 and BCP 79.</td><td> </td><td class="right">   provisions of BCP 78 and BCP 79.</td><td class="lineno" valign="top"></td></tr>
95      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
96      <tr><td class="lineno" valign="top"></td><td class="left">   Internet-Drafts are working documents of the Internet Engineering</td><td> </td><td class="right">   Internet-Drafts are working documents of the Internet Engineering</td><td class="lineno" valign="top"></td></tr>
97      <tr><td><a name="diff0008" /></td></tr>
98      <tr><td class="lineno" valign="top"></td><td class="lblock">   Task Force <span class="delete">(IETF), its areas, and its working groups.</span>  Note that</td><td> </td><td class="rblock">   Task Force <span class="insert">(IETF).</span>  Note that other groups may also distribute</td><td class="lineno" valign="top"></td></tr>
99      <tr><td class="lineno" valign="top"></td><td class="lblock">   other groups may also distribute working documents as Internet-</td><td> </td><td class="rblock">   working documents as <span class="insert">Internet-Drafts.  The list of current</span> Internet-</td><td class="lineno" valign="top"></td></tr>
100      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Drafts.</span></td><td> </td><td class="rblock">   <span class="insert">Drafts is at http://datatracker.ietf.org/drafts/current/.</span></td><td class="lineno" valign="top"></td></tr>
101      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
102      <tr><td class="lineno" valign="top"></td><td class="left">   Internet-Drafts are draft documents valid for a maximum of six months</td><td> </td><td class="right">   Internet-Drafts are draft documents valid for a maximum of six months</td><td class="lineno" valign="top"></td></tr>
103      <tr><td class="lineno" valign="top"></td><td class="left">   and may be updated, replaced, or obsoleted by other documents at any</td><td> </td><td class="right">   and may be updated, replaced, or obsoleted by other documents at any</td><td class="lineno" valign="top"></td></tr>
104      <tr><td class="lineno" valign="top"></td><td class="left">   time.  It is inappropriate to use Internet-Drafts as reference</td><td> </td><td class="right">   time.  It is inappropriate to use Internet-Drafts as reference</td><td class="lineno" valign="top"></td></tr>
105      <tr><td class="lineno" valign="top"></td><td class="left">   material or to cite them other than as "work in progress."</td><td> </td><td class="right">   material or to cite them other than as "work in progress."</td><td class="lineno" valign="top"></td></tr>
106      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
107      <tr><td><a name="diff0009" /></td></tr>
108      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">The list of current Internet-Drafts can be accessed at</span></td><td> </td><td class="rblock">   This Internet-Draft will expire on <span class="insert">January 13, 2011.</span></td><td class="lineno" valign="top"></td></tr>
109      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   http://www.ietf.org/ietf/1id-abstracts.txt.</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
110      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete"></span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
111      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   The list of Internet-Draft Shadow Directories can be accessed at</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
112      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   http://www.ietf.org/shadow.html.</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
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129      <tr><td><a name="diff0010" /></td></tr>
130      <tr><td class="lineno" valign="top"></td><td class="lblock">   described in the BSD License.</td><td> </td><td class="rblock">   described in the <span class="insert">Simplified </span>BSD License.</td><td class="lineno" valign="top"></td></tr>
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140      <tr><td class="lineno" valign="top"></td><td class="left">   not be created outside the IETF Standards Process, except to format</td><td> </td><td class="right">   not be created outside the IETF Standards Process, except to format</td><td class="lineno" valign="top"></td></tr>
141      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
142      <tr bgcolor="gray" ><td></td><th><a name="part-l2" /><small>skipping to change at</small><em> page 3, line 14</em></th><th> </th><th><a name="part-r2" /><small>skipping to change at</small><em> page 3, line 14</em></th><td></td></tr>
143      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
144      <tr><td class="lineno" valign="top"></td><td class="left">Table of Contents</td><td> </td><td class="right">Table of Contents</td><td class="lineno" valign="top"></td></tr>
145      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
146      <tr><td class="lineno" valign="top"></td><td class="left">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
147      <tr><td class="lineno" valign="top"></td><td class="left">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
148      <tr><td class="lineno" valign="top"></td><td class="left">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
149      <tr><td class="lineno" valign="top"></td><td class="left">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  5</td><td> </td><td class="right">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  5</td><td class="lineno" valign="top"></td></tr>
150      <tr><td class="lineno" valign="top"></td><td class="left">       1.2.2.  ABNF Rules defined in other Parts of the</td><td> </td><td class="right">       1.2.2.  ABNF Rules defined in other Parts of the</td><td class="lineno" valign="top"></td></tr>
151      <tr><td class="lineno" valign="top"></td><td class="left">               Specification  . . . . . . . . . . . . . . . . . . . .  5</td><td> </td><td class="right">               Specification  . . . . . . . . . . . . . . . . . . . .  5</td><td class="lineno" valign="top"></td></tr>
152      <tr><td class="lineno" valign="top"></td><td class="left">   2.  Entity Tags  . . . . . . . . . . . . . . . . . . . . . . . . .  5</td><td> </td><td class="right">   2.  Entity Tags  . . . . . . . . . . . . . . . . . . . . . . . . .  5</td><td class="lineno" valign="top"></td></tr>
153      <tr><td><a name="diff0011" /></td></tr>
154      <tr><td class="lineno" valign="top"></td><td class="lblock">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  <span class="delete">6</span></td><td> </td><td class="rblock">     <span class="insert">2.1.  Example: Entity Tags varying on Content-Negotiated</span></td><td class="lineno" valign="top"></td></tr>
155      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.1.  304 Not Modified . . . . . . . . . . . . . . . . . . . . .  <span class="delete">6</span></td><td> </td><td class="rblock"><span class="insert">           Resources  . . . . . . . . . . . . . . . . . . . . . . . .  6</span></td><td class="lineno" valign="top"></td></tr>
156      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.2.  412 Precondition Failed  . . . . . . . . . . . . . . . . .  <span class="delete">6</span></td><td> </td><td class="rblock">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
157      <tr><td class="lineno" valign="top"></td><td class="lblock">   4.  Weak and Strong Validators . . . . . . . . . . . . . . . . . .  <span class="delete">7</span></td><td> </td><td class="rblock">     3.1.  304 Not Modified . . . . . . . . . . . . . . . . . . . . .  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
158      <tr><td class="lineno" valign="top"></td><td class="lblock">   5.  Rules for When to Use Entity Tags and Last-Modified Dates  . .  <span class="delete">9</span></td><td> </td><td class="rblock">     3.2.  412 Precondition Failed  . . . . . . . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
159      <tr><td class="lineno" valign="top"></td><td class="lblock">   6.  Header Field Definitions . . . . . . . . . . . . . . . . . . . <span class="delete">11</span></td><td> </td><td class="rblock">   4.  Weak and Strong Validators . . . . . . . . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
160      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.1.  ETag . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">11</span></td><td> </td><td class="rblock">   5.  Rules for When to Use Entity Tags and Last-Modified Dates  . . <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
161      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.2.  If-Match . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">12</span></td><td> </td><td class="rblock">   6.  Header Field Definitions . . . . . . . . . . . . . . . . . . . <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
162      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.3.  If-Modified-Since  . . . . . . . . . . . . . . . . . . . . <span class="delete">13</span></td><td> </td><td class="rblock">     6.1.  ETag . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
163      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.4.  If-None-Match  . . . . . . . . . . . . . . . . . . . . . . <span class="delete">15</span></td><td> </td><td class="rblock">     6.2.  If-Match . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
164      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.5.  If-Unmodified-Since  . . . . . . . . . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     6.3.  If-Modified-Since  . . . . . . . . . . . . . . . . . . . . <span class="insert">14</span></td><td class="lineno" valign="top"></td></tr>
165      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.6.  Last-Modified  . . . . . . . . . . . . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     6.4.  If-None-Match  . . . . . . . . . . . . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
166      <tr><td class="lineno" valign="top"></td><td class="lblock">   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     6.5.  If-Unmodified-Since  . . . . . . . . . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
167      <tr><td class="lineno" valign="top"></td><td class="lblock">     7.1.  Status Code Registration . . . . . . . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     6.6.  Last-Modified  . . . . . . . . . . . . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
168      <tr><td class="lineno" valign="top"></td><td class="lblock">     7.2.  Message Header Registration  . . . . . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
169      <tr><td class="lineno" valign="top"></td><td class="lblock">   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     7.1.  Status Code Registration . . . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
170      <tr><td class="lineno" valign="top"></td><td class="lblock">   9.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     7.2.  Message Header Registration  . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
171      <tr><td class="lineno" valign="top"></td><td class="lblock">   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
172      <tr><td class="lineno" valign="top"></td><td class="lblock">     10.1. Normative References . . . . . . . . . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">   9.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
173      <tr><td class="lineno" valign="top"></td><td class="lblock">     10.2. Informative References . . . . . . . . . . . . . . . . . . <span class="delete">19</span></td><td> </td><td class="rblock">   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
174      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix A.  Compatibility with Previous Versions  . . . . . . . . <span class="delete">19</span></td><td> </td><td class="rblock">     10.1. Normative References . . . . . . . . . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
175      <tr><td class="lineno" valign="top"></td><td class="lblock">     A.1.  Changes from RFC 2616  . . . . . . . . . . . . . . . . . . <span class="delete">19</span></td><td> </td><td class="rblock">     10.2. Informative References . . . . . . . . . . . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
176      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix B.  Collected ABNF  . . . . . . . . . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">   Appendix A.  Compatibility with Previous Versions  . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
177      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">     A.1.  Changes from RFC 2616  . . . . . . . . . . . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
178      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   Appendix B.  Collected ABNF  . . . . . . . . . . . . . . . . . . . <span class="insert">21</span></td><td class="lineno" valign="top"></td></tr>
179      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix C.  Change Log (to be removed by RFC Editor before</td><td> </td><td class="right">   Appendix C.  Change Log (to be removed by RFC Editor before</td><td class="lineno" valign="top"></td></tr>
180      <tr><td><a name="diff0012" /></td></tr>
181      <tr><td class="lineno" valign="top"></td><td class="lblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="insert">21</span></td><td class="lineno" valign="top"></td></tr>
182      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">     C.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . <span class="insert">21</span></td><td class="lineno" valign="top"></td></tr>
183      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.2.  Since draft-ietf-httpbis-p4-conditional-00 . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     C.2.  Since draft-ietf-httpbis-p4-conditional-00 . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
184      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.3.  Since draft-ietf-httpbis-p4-conditional-01 . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     C.3.  Since draft-ietf-httpbis-p4-conditional-01 . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
185      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.4.  Since draft-ietf-httpbis-p4-conditional-02 . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     C.4.  Since draft-ietf-httpbis-p4-conditional-02 . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
186      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.5.  Since draft-ietf-httpbis-p4-conditional-03 . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     C.5.  Since draft-ietf-httpbis-p4-conditional-03 . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
187      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.6.  Since draft-ietf-httpbis-p4-conditional-04 . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     C.6.  Since draft-ietf-httpbis-p4-conditional-04 . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
188      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.7.  Since draft-ietf-httpbis-p4-conditional-05 . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     C.7.  Since draft-ietf-httpbis-p4-conditional-05 . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
189      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.8.  Since draft-ietf-httpbis-p4-conditional-06 . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     C.8.  Since draft-ietf-httpbis-p4-conditional-06 . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
190      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.9.  Since draft-ietf-httpbis-p4-conditional-07 . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     C.9.  Since draft-ietf-httpbis-p4-conditional-07 . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
191      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.10. Since draft-ietf-httpbis-p4-conditional-08 . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     C.10. Since draft-ietf-httpbis-p4-conditional-08 . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
192      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Index  . . . . . . . . . . . . . . . .</span> . . . . . . . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock"><span class="insert">     C.11. Since draft-ietf-httpbis-p4-conditional-09</span> . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
193      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Authors' Addresses</span> . . . . . . . . . . . . . . . . . . . . . . . . 24</td><td> </td><td class="rblock"><span class="insert">   Index</span>  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24</td><td class="lineno" valign="top"></td></tr>
194      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
195      <tr><td class="lineno" valign="top"></td><td class="left">1.  Introduction</td><td> </td><td class="right">1.  Introduction</td><td class="lineno" valign="top"></td></tr>
196      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
197      <tr><td class="lineno" valign="top"></td><td class="left">   This document defines HTTP/1.1 response metadata for indicating</td><td> </td><td class="right">   This document defines HTTP/1.1 response metadata for indicating</td><td class="lineno" valign="top"></td></tr>
198      <tr><td class="lineno" valign="top"></td><td class="left">   potential changes to payload content, including modification time</td><td> </td><td class="right">   potential changes to payload content, including modification time</td><td class="lineno" valign="top"></td></tr>
199      <tr><td class="lineno" valign="top"></td><td class="left">   stamps and opaque entity-tags, and the HTTP conditional request</td><td> </td><td class="right">   stamps and opaque entity-tags, and the HTTP conditional request</td><td class="lineno" valign="top"></td></tr>
200      <tr><td class="lineno" valign="top"></td><td class="left">   mechanisms that allow preconditions to be placed on a request method.</td><td> </td><td class="right">   mechanisms that allow preconditions to be placed on a request method.</td><td class="lineno" valign="top"></td></tr>
201      <tr><td class="lineno" valign="top"></td><td class="left">   Conditional GET requests allow for efficient cache updates.  Other</td><td> </td><td class="right">   Conditional GET requests allow for efficient cache updates.  Other</td><td class="lineno" valign="top"></td></tr>
202      <tr><td class="lineno" valign="top"></td><td class="left">   conditional request methods are used to protect against overwriting</td><td> </td><td class="right">   conditional request methods are used to protect against overwriting</td><td class="lineno" valign="top"></td></tr>
203      <tr><td class="lineno" valign="top"></td><td class="left">   or misunderstanding the state of a resource that has been changed</td><td> </td><td class="right">   or misunderstanding the state of a resource that has been changed</td><td class="lineno" valign="top"></td></tr>
204      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
205      <tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 4, line 35</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 4, line 35</em></th><td></td></tr>
206      <tr><td class="lineno" valign="top"></td><td class="left">   mess reflects how widely dispersed these topics and associated</td><td> </td><td class="right">   mess reflects how widely dispersed these topics and associated</td><td class="lineno" valign="top"></td></tr>
207      <tr><td class="lineno" valign="top"></td><td class="left">   requirements had become in [RFC2616].</td><td> </td><td class="right">   requirements had become in [RFC2616].</td><td class="lineno" valign="top"></td></tr>
208      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
209      <tr><td class="lineno" valign="top"></td><td class="left">1.1.  Requirements</td><td> </td><td class="right">1.1.  Requirements</td><td class="lineno" valign="top"></td></tr>
210      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
211      <tr><td class="lineno" valign="top"></td><td class="left">   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",</td><td> </td><td class="right">   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",</td><td class="lineno" valign="top"></td></tr>
212      <tr><td class="lineno" valign="top"></td><td class="left">   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this</td><td> </td><td class="right">   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this</td><td class="lineno" valign="top"></td></tr>
213      <tr><td class="lineno" valign="top"></td><td class="left">   document are to be interpreted as described in [RFC2119].</td><td> </td><td class="right">   document are to be interpreted as described in [RFC2119].</td><td class="lineno" valign="top"></td></tr>
214      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
215      <tr><td class="lineno" valign="top"></td><td class="left">   An implementation is not compliant if it fails to satisfy one or more</td><td> </td><td class="right">   An implementation is not compliant if it fails to satisfy one or more</td><td class="lineno" valign="top"></td></tr>
216      <tr><td><a name="diff0013" /></td></tr>
217      <tr><td class="lineno" valign="top"></td><td class="lblock">   of the <span class="delete">MUST</span> or <span class="delete">REQUIRED</span> level requirements for the protocols it</td><td> </td><td class="rblock">   of the <span class="insert">"MUST"</span> or <span class="insert">"REQUIRED"</span> level requirements for the protocols it</td><td class="lineno" valign="top"></td></tr>
218      <tr><td class="lineno" valign="top"></td><td class="lblock">   implements.  An implementation that satisfies all the <span class="delete">MUST</span> or</td><td> </td><td class="rblock">   implements.  An implementation that satisfies all the <span class="insert">"MUST"</span> or</td><td class="lineno" valign="top"></td></tr>
219      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">REQUIRED</span> level and all the <span class="delete">SHOULD</span> level requirements for its</td><td> </td><td class="rblock">   <span class="insert">"REQUIRED"</span> level and all the <span class="insert">"SHOULD"</span> level requirements for its</td><td class="lineno" valign="top"></td></tr>
220      <tr><td class="lineno" valign="top"></td><td class="left">   protocols is said to be "unconditionally compliant"; one that</td><td> </td><td class="right">   protocols is said to be "unconditionally compliant"; one that</td><td class="lineno" valign="top"></td></tr>
221      <tr><td><a name="diff0014" /></td></tr>
222      <tr><td class="lineno" valign="top"></td><td class="lblock">   satisfies all the <span class="delete">MUST level requirements but not all the SHOULD</span></td><td> </td><td class="rblock">   satisfies all the <span class="insert">"MUST" level requirements but not all the "SHOULD"</span></td><td class="lineno" valign="top"></td></tr>
223      <tr><td class="lineno" valign="top"></td><td class="left">   level requirements for its protocols is said to be "conditionally</td><td> </td><td class="right">   level requirements for its protocols is said to be "conditionally</td><td class="lineno" valign="top"></td></tr>
224      <tr><td><a name="diff0015" /></td></tr>
225      <tr><td class="lineno" valign="top"></td><td class="lblock">   compliant<span class="delete">."</span></td><td> </td><td class="rblock">   compliant<span class="insert">".</span></td><td class="lineno" valign="top"></td></tr>
226      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
227      <tr><td class="lineno" valign="top"></td><td class="left">1.2.  Syntax Notation</td><td> </td><td class="right">1.2.  Syntax Notation</td><td class="lineno" valign="top"></td></tr>
228      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
229      <tr><td class="lineno" valign="top"></td><td class="left">   This specification uses the ABNF syntax defined in Section 1.2 of</td><td> </td><td class="right">   This specification uses the ABNF syntax defined in Section 1.2 of</td><td class="lineno" valign="top"></td></tr>
230      <tr><td class="lineno" valign="top"></td><td class="left">   [Part1] (which extends the syntax defined in [RFC5234] with a list</td><td> </td><td class="right">   [Part1] (which extends the syntax defined in [RFC5234] with a list</td><td class="lineno" valign="top"></td></tr>
231      <tr><td class="lineno" valign="top"></td><td class="left">   rule).  Appendix B shows the collected ABNF, with the list rule</td><td> </td><td class="right">   rule).  Appendix B shows the collected ABNF, with the list rule</td><td class="lineno" valign="top"></td></tr>
232      <tr><td class="lineno" valign="top"></td><td class="left">   expanded.</td><td> </td><td class="right">   expanded.</td><td class="lineno" valign="top"></td></tr>
233      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
234      <tr><td class="lineno" valign="top"></td><td class="left">   The following core rules are included by reference, as defined in</td><td> </td><td class="right">   The following core rules are included by reference, as defined in</td><td class="lineno" valign="top"></td></tr>
235      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC5234], Appendix B.1: ALPHA (letters), CR (carriage return), CRLF</td><td> </td><td class="right">   [RFC5234], Appendix B.1: ALPHA (letters), CR (carriage return), CRLF</td><td class="lineno" valign="top"></td></tr>
236      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
237      <tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 6, line 5</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 6, line 5</em></th><td></td></tr>
238      <tr><td class="lineno" valign="top"></td><td class="left">   could be substituted for each other with no significant change in</td><td> </td><td class="right">   could be substituted for each other with no significant change in</td><td class="lineno" valign="top"></td></tr>
239      <tr><td class="lineno" valign="top"></td><td class="left">   semantics.  A weak entity tag can only be used for weak comparison.</td><td> </td><td class="right">   semantics.  A weak entity tag can only be used for weak comparison.</td><td class="lineno" valign="top"></td></tr>
240      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
241      <tr><td class="lineno" valign="top"></td><td class="left">   An entity tag MUST be unique across all versions of all entities</td><td> </td><td class="right">   An entity tag MUST be unique across all versions of all entities</td><td class="lineno" valign="top"></td></tr>
242      <tr><td class="lineno" valign="top"></td><td class="left">   associated with a particular resource.  A given entity tag value MAY</td><td> </td><td class="right">   associated with a particular resource.  A given entity tag value MAY</td><td class="lineno" valign="top"></td></tr>
243      <tr><td class="lineno" valign="top"></td><td class="left">   be used for entities obtained by requests on different URIs.  The use</td><td> </td><td class="right">   be used for entities obtained by requests on different URIs.  The use</td><td class="lineno" valign="top"></td></tr>
244      <tr><td class="lineno" valign="top"></td><td class="left">   of the same entity tag value in conjunction with entities obtained by</td><td> </td><td class="right">   of the same entity tag value in conjunction with entities obtained by</td><td class="lineno" valign="top"></td></tr>
245      <tr><td class="lineno" valign="top"></td><td class="left">   requests on different URIs does not imply the equivalence of those</td><td> </td><td class="right">   requests on different URIs does not imply the equivalence of those</td><td class="lineno" valign="top"></td></tr>
246      <tr><td class="lineno" valign="top"></td><td class="left">   entities.</td><td> </td><td class="right">   entities.</td><td class="lineno" valign="top"></td></tr>
247      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
248      <tr><td><a name="diff0016" /></td></tr>
249      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">2.1.  Example: Entity Tags varying on Content-Negotiated Resources</span></td><td class="lineno" valign="top"></td></tr>
250      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
251      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Consider a resource that is subject to content negotiation (Section 4</span></td><td class="lineno" valign="top"></td></tr>
252      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   of [Part3]), and where the representations returned upon a GET</span></td><td class="lineno" valign="top"></td></tr>
253      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   request vary based on the Accept-Encoding request header field</span></td><td class="lineno" valign="top"></td></tr>
254      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   (Section 5.3 of [Part3]):</span></td><td class="lineno" valign="top"></td></tr>
255      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
256      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   &gt;&gt; Request:</span></td><td class="lineno" valign="top"></td></tr>
257      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
258      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     GET /index HTTP/1.1</span></td><td class="lineno" valign="top"></td></tr>
259      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Host: www.example.com</span></td><td class="lineno" valign="top"></td></tr>
260      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Accept-Encoding: gzip</span></td><td class="lineno" valign="top"></td></tr>
261      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
262      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   In this case, the response may use the gzip Content Coding or not.</span></td><td class="lineno" valign="top"></td></tr>
263      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   If it does, it might look like that:</span></td><td class="lineno" valign="top"></td></tr>
264      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
265      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   &gt;&gt; Response:</span></td><td class="lineno" valign="top"></td></tr>
266      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
267      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     HTTP/1.1 200 OK</span></td><td class="lineno" valign="top"></td></tr>
268      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Date: Thu, 26 Mar 2010 00:05:00 GMT</span></td><td class="lineno" valign="top"></td></tr>
269      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     ETag: "123-a"</span></td><td class="lineno" valign="top"></td></tr>
270      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Content-Length: 70</span></td><td class="lineno" valign="top"></td></tr>
271      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Vary: Accept-Encoding</span></td><td class="lineno" valign="top"></td></tr>
272      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Content-Type: text/plain</span></td><td class="lineno" valign="top"></td></tr>
273      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
274      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Hello World!</span></td><td class="lineno" valign="top"></td></tr>
275      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Hello World!</span></td><td class="lineno" valign="top"></td></tr>
276      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Hello World!</span></td><td class="lineno" valign="top"></td></tr>
277      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Hello World!</span></td><td class="lineno" valign="top"></td></tr>
278      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Hello World!</span></td><td class="lineno" valign="top"></td></tr>
279      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
280      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   A variant that does use gzip Content Coding would be:</span></td><td class="lineno" valign="top"></td></tr>
281      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
282      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   &gt;&gt; Response:</span></td><td class="lineno" valign="top"></td></tr>
283      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
284      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     HTTP/1.1 200 OK</span></td><td class="lineno" valign="top"></td></tr>
285      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Date: Thu, 26 Mar 2010 00:05:00 GMT</span></td><td class="lineno" valign="top"></td></tr>
286      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     ETag: "123-b"</span></td><td class="lineno" valign="top"></td></tr>
287      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Content-Length: 43</span></td><td class="lineno" valign="top"></td></tr>
288      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Vary: Accept-Encoding</span></td><td class="lineno" valign="top"></td></tr>
289      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Content-Type: text/plain</span></td><td class="lineno" valign="top"></td></tr>
290      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Content-Encoding: gzip</span></td><td class="lineno" valign="top"></td></tr>
291      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
292      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     ...binary data...</span></td><td class="lineno" valign="top"></td></tr>
293      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
294      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      Note: Content Codings are a property of the response entity, thus</span></td><td class="lineno" valign="top"></td></tr>
295      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      affect the Entity Tag. An alternative are Transfer Codings</span></td><td class="lineno" valign="top"></td></tr>
296      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      (Section 6.2 of [Part1]) which apply only to the transfer of the</span></td><td class="lineno" valign="top"></td></tr>
297      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      message, and thus do not require assigning distinct entity tags.</span></td><td class="lineno" valign="top"></td></tr>
298      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
299      <tr><td class="lineno" valign="top"></td><td class="left">3.  Status Code Definitions</td><td> </td><td class="right">3.  Status Code Definitions</td><td class="lineno" valign="top"></td></tr>
300      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
301      <tr><td class="lineno" valign="top"></td><td class="left">3.1.  304 Not Modified</td><td> </td><td class="right">3.1.  304 Not Modified</td><td class="lineno" valign="top"></td></tr>
302      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
303      <tr><td class="lineno" valign="top"></td><td class="left">   If the client has performed a conditional GET request and access is</td><td> </td><td class="right">   If the client has performed a conditional GET request and access is</td><td class="lineno" valign="top"></td></tr>
304      <tr><td class="lineno" valign="top"></td><td class="left">   allowed, but the document has not been modified, the server SHOULD</td><td> </td><td class="right">   allowed, but the document has not been modified, the server SHOULD</td><td class="lineno" valign="top"></td></tr>
305      <tr><td class="lineno" valign="top"></td><td class="left">   respond with this status code.  The 304 response MUST NOT contain a</td><td> </td><td class="right">   respond with this status code.  The 304 response MUST NOT contain a</td><td class="lineno" valign="top"></td></tr>
306      <tr><td class="lineno" valign="top"></td><td class="left">   message-body, and thus is always terminated by the first empty line</td><td> </td><td class="right">   message-body, and thus is always terminated by the first empty line</td><td class="lineno" valign="top"></td></tr>
307      <tr><td class="lineno" valign="top"></td><td class="left">   after the header fields.</td><td> </td><td class="right">   after the header fields.</td><td class="lineno" valign="top"></td></tr>
308      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
309      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
310      <tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 18, line 46</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 20, line 5</em></th><td></td></tr>
311      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
312      <tr><td class="lineno" valign="top"></td><td class="left">9.  Acknowledgments</td><td> </td><td class="right">9.  Acknowledgments</td><td class="lineno" valign="top"></td></tr>
313      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
314      <tr><td class="lineno" valign="top"></td><td class="left">10.  References</td><td> </td><td class="right">10.  References</td><td class="lineno" valign="top"></td></tr>
315      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
316      <tr><td class="lineno" valign="top"></td><td class="left">10.1.  Normative References</td><td> </td><td class="right">10.1.  Normative References</td><td class="lineno" valign="top"></td></tr>
317      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
318      <tr><td class="lineno" valign="top"></td><td class="left">   [Part1]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part1]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
319      <tr><td class="lineno" valign="top"></td><td class="left">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td> </td><td class="right">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td class="lineno" valign="top"></td></tr>
320      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 1: URIs, Connections,</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 1: URIs, Connections,</td><td class="lineno" valign="top"></td></tr>
321      <tr><td><a name="diff0017" /></td></tr>
322      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Message Parsing", <span class="delete">draft-ietf-httpbis-p1-messaging-09</span></td><td> </td><td class="rblock">              and Message Parsing", <span class="insert">draft-ietf-httpbis-p1-messaging-10</span></td><td class="lineno" valign="top"></td></tr>
323      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">March</span> 2010.</td><td> </td><td class="rblock">              (work in progress), <span class="insert">July 2010.</span></td><td class="lineno" valign="top"></td></tr>
324      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
325      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   [Part3]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</span></td><td class="lineno" valign="top"></td></tr>
326      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</span></td><td class="lineno" valign="top"></td></tr>
327      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">              and J. Reschke, Ed., "HTTP/1.1, part 3: Message Payload</span></td><td class="lineno" valign="top"></td></tr>
328      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">              and Content Negotiation", draft-ietf-httpbis-p3-payload-10</span></td><td class="lineno" valign="top"></td></tr>
329      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">              (work in progress), July</span> 2010.</td><td class="lineno" valign="top"></td></tr>
330      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
331      <tr><td class="lineno" valign="top"></td><td class="left">   [Part5]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part5]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
332      <tr><td class="lineno" valign="top"></td><td class="left">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td> </td><td class="right">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td class="lineno" valign="top"></td></tr>
333      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 5: Range Requests and</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 5: Range Requests and</td><td class="lineno" valign="top"></td></tr>
334      <tr><td><a name="diff0018" /></td></tr>
335      <tr><td class="lineno" valign="top"></td><td class="lblock">              Partial Responses", <span class="delete">draft-ietf-httpbis-p5-range-09</span> (work</td><td> </td><td class="rblock">              Partial Responses", <span class="insert">draft-ietf-httpbis-p5-range-10</span> (work</td><td class="lineno" valign="top"></td></tr>
336      <tr><td class="lineno" valign="top"></td><td class="lblock">              in progress), <span class="delete">March</span> 2010.</td><td> </td><td class="rblock">              in progress), <span class="insert">July</span> 2010.</td><td class="lineno" valign="top"></td></tr>
337      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
338      <tr><td class="lineno" valign="top"></td><td class="left">   [Part6]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part6]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
339      <tr><td class="lineno" valign="top"></td><td class="left">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td> </td><td class="right">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td class="lineno" valign="top"></td></tr>
340      <tr><td class="lineno" valign="top"></td><td class="left">              Nottingham, M., Ed., and J. Reschke, Ed., "HTTP/1.1, part</td><td> </td><td class="right">              Nottingham, M., Ed., and J. Reschke, Ed., "HTTP/1.1, part</td><td class="lineno" valign="top"></td></tr>
341      <tr><td><a name="diff0019" /></td></tr>
342      <tr><td class="lineno" valign="top"></td><td class="lblock">              6: Caching", <span class="delete">draft-ietf-httpbis-p6-cache-09</span> (work in</td><td> </td><td class="rblock">              6: Caching", <span class="insert">draft-ietf-httpbis-p6-cache-10</span> (work in</td><td class="lineno" valign="top"></td></tr>
343      <tr><td class="lineno" valign="top"></td><td class="lblock">              progress), <span class="delete">March</span> 2010.</td><td> </td><td class="rblock">              progress), <span class="insert">July</span> 2010.</td><td class="lineno" valign="top"></td></tr>
344      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
345      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td><td> </td><td class="right">   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td><td class="lineno" valign="top"></td></tr>
346      <tr><td class="lineno" valign="top"></td><td class="left">              Requirement Levels", BCP 14, RFC 2119, March 1997.</td><td> </td><td class="right">              Requirement Levels", BCP 14, RFC 2119, March 1997.</td><td class="lineno" valign="top"></td></tr>
347      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
348      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC5234]  Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax</td><td> </td><td class="right">   [RFC5234]  Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax</td><td class="lineno" valign="top"></td></tr>
349      <tr><td class="lineno" valign="top"></td><td class="left">              Specifications: ABNF", STD 68, RFC 5234, January 2008.</td><td> </td><td class="right">              Specifications: ABNF", STD 68, RFC 5234, January 2008.</td><td class="lineno" valign="top"></td></tr>
350      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
351      <tr><td class="lineno" valign="top"></td><td class="left">10.2.  Informative References</td><td> </td><td class="right">10.2.  Informative References</td><td class="lineno" valign="top"></td></tr>
352      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
353      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC2616]  Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [RFC2616]  Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
354      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
355      <tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 22, line 48</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 23, line 48</em></th><td></td></tr>
356      <tr><td class="lineno" valign="top"></td><td class="left">      non-GET requests" (If-Match still was defined to require strong</td><td> </td><td class="right">      non-GET requests" (If-Match still was defined to require strong</td><td class="lineno" valign="top"></td></tr>
357      <tr><td class="lineno" valign="top"></td><td class="left">      matching)</td><td> </td><td class="right">      matching)</td><td class="lineno" valign="top"></td></tr>
358      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
359      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/198&gt;: "move IANA</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/198&gt;: "move IANA</td><td class="lineno" valign="top"></td></tr>
360      <tr><td class="lineno" valign="top"></td><td class="left">      registrations for optional status codes"</td><td> </td><td class="right">      registrations for optional status codes"</td><td class="lineno" valign="top"></td></tr>
361      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
362      <tr><td class="lineno" valign="top"></td><td class="left">C.10.  Since draft-ietf-httpbis-p4-conditional-08</td><td> </td><td class="right">C.10.  Since draft-ietf-httpbis-p4-conditional-08</td><td class="lineno" valign="top"></td></tr>
363      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
364      <tr><td class="lineno" valign="top"></td><td class="left">   No significant changes.</td><td> </td><td class="right">   No significant changes.</td><td class="lineno" valign="top"></td></tr>
365      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
366      <tr><td><a name="diff0020" /></td></tr>
367      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">C.11.  Since draft-ietf-httpbis-p4-conditional-09</span></td><td class="lineno" valign="top"></td></tr>
368      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
369      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   No significant changes.</span></td><td class="lineno" valign="top"></td></tr>
370      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
371      <tr><td class="lineno" valign="top"></td><td class="left">Index</td><td> </td><td class="right">Index</td><td class="lineno" valign="top"></td></tr>
372      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
373      <tr><td class="lineno" valign="top"></td><td class="left">   3</td><td> </td><td class="right">   3</td><td class="lineno" valign="top"></td></tr>
374      <tr><td><a name="diff0021" /></td></tr>
375      <tr><td class="lineno" valign="top"></td><td class="lblock">      304 Not Modified (status code)  <span class="delete">6</span></td><td> </td><td class="rblock">      304 Not Modified (status code)  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
376      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
377      <tr><td class="lineno" valign="top"></td><td class="left">   4</td><td> </td><td class="right">   4</td><td class="lineno" valign="top"></td></tr>
378      <tr><td><a name="diff0022" /></td></tr>
379      <tr><td class="lineno" valign="top"></td><td class="lblock">      412 Precondition Failed (status code)  <span class="delete">6</span></td><td> </td><td class="rblock">      412 Precondition Failed (status code)  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
380      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
381      <tr><td class="lineno" valign="top"></td><td class="left">   E</td><td> </td><td class="right">   E</td><td class="lineno" valign="top"></td></tr>
382      <tr><td><a name="diff0023" /></td></tr>
383      <tr><td class="lineno" valign="top"></td><td class="lblock">      ETag header  1<span class="delete">1</span></td><td> </td><td class="rblock">      ETag header  1<span class="insert">3</span></td><td class="lineno" valign="top"></td></tr>
384      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
385      <tr><td class="lineno" valign="top"></td><td class="left">   G</td><td> </td><td class="right">   G</td><td class="lineno" valign="top"></td></tr>
386      <tr><td class="lineno" valign="top"></td><td class="left">      Grammar</td><td> </td><td class="right">      Grammar</td><td class="lineno" valign="top"></td></tr>
387      <tr><td class="lineno" valign="top"></td><td class="left">         entity-tag  5</td><td> </td><td class="right">         entity-tag  5</td><td class="lineno" valign="top"></td></tr>
388      <tr><td><a name="diff0024" /></td></tr>
389      <tr><td class="lineno" valign="top"></td><td class="lblock">         ETag  <span class="delete">11</span></td><td> </td><td class="rblock">         ETag  <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
390      <tr><td class="lineno" valign="top"></td><td class="lblock">         ETag-v  <span class="delete">11</span></td><td> </td><td class="rblock">         ETag-v  <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
391      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-Match  <span class="delete">12</span></td><td> </td><td class="rblock">         If-Match  <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
392      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-Match-v  <span class="delete">12</span></td><td> </td><td class="rblock">         If-Match-v  13</td><td class="lineno" valign="top"></td></tr>
393      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         If-Modified-Since</span>  13</td><td> </td><td class="rblock">         <span class="insert">If-Modified-Since  15</span></td><td class="lineno" valign="top"></td></tr>
394      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-Modified-Since-v  <span class="delete">13</span></td><td> </td><td class="rblock">         If-Modified-Since-v  15</td><td class="lineno" valign="top"></td></tr>
395      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         If-None-Match</span>  15</td><td> </td><td class="rblock">         <span class="insert">If-None-Match  16</span></td><td class="lineno" valign="top"></td></tr>
396      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-None-Match-v  <span class="delete">15</span></td><td> </td><td class="rblock">         If-None-Match-v  16</td><td class="lineno" valign="top"></td></tr>
397      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         If-Unmodified-Since</span>  16</td><td> </td><td class="rblock">         <span class="insert">If-Unmodified-Since  17</span></td><td class="lineno" valign="top"></td></tr>
398      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-Unmodified-Since-v  <span class="delete">16</span></td><td> </td><td class="rblock">         If-Unmodified-Since-v  17</td><td class="lineno" valign="top"></td></tr>
399      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         Last-Modified</span>  17</td><td> </td><td class="rblock">         <span class="insert">Last-Modified  18</span></td><td class="lineno" valign="top"></td></tr>
400      <tr><td class="lineno" valign="top"></td><td class="lblock">         Last-Modified-v  <span class="delete">17</span></td><td> </td><td class="rblock">         Last-Modified-v  <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
401      <tr><td class="lineno" valign="top"></td><td class="left">         opaque-tag  5</td><td> </td><td class="right">         opaque-tag  5</td><td class="lineno" valign="top"></td></tr>
402      <tr><td class="lineno" valign="top"></td><td class="left">         weak  5</td><td> </td><td class="right">         weak  5</td><td class="lineno" valign="top"></td></tr>
403      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
404      <tr><td class="lineno" valign="top"></td><td class="left">   H</td><td> </td><td class="right">   H</td><td class="lineno" valign="top"></td></tr>
405      <tr><td class="lineno" valign="top"></td><td class="left">      Headers</td><td> </td><td class="right">      Headers</td><td class="lineno" valign="top"></td></tr>
406      <tr><td><a name="diff0025" /></td></tr>
407      <tr><td class="lineno" valign="top"></td><td class="lblock">         ETag  <span class="delete">11</span></td><td> </td><td class="rblock">         ETag  <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
408      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-Match  <span class="delete">12</span></td><td> </td><td class="rblock">         If-Match  13</td><td class="lineno" valign="top"></td></tr>
409      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         If-Modified-Since</span>  13</td><td> </td><td class="rblock">         <span class="insert">If-Modified-Since  14</span></td><td class="lineno" valign="top"></td></tr>
410      <tr><td class="lineno" valign="top"></td><td class="lblock">         If-None-Match  <span class="delete">15</span></td><td> </td><td class="rblock">         If-None-Match  16</td><td class="lineno" valign="top"></td></tr>
411      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         If-Unmodified-Since</span>  16</td><td> </td><td class="rblock">         <span class="insert">If-Unmodified-Since</span>  17</td><td class="lineno" valign="top"></td></tr>
412      <tr><td class="lineno" valign="top"></td><td class="lblock">         <span class="delete">Last-Modified</span>  17</td><td> </td><td class="rblock">         <span class="insert">Last-Modified  18</span></td><td class="lineno" valign="top"></td></tr>
413      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
414      <tr><td class="lineno" valign="top"></td><td class="left">   I</td><td> </td><td class="right">   I</td><td class="lineno" valign="top"></td></tr>
415      <tr><td><a name="diff0026" /></td></tr>
416      <tr><td class="lineno" valign="top"></td><td class="lblock">      If-Match header  <span class="delete">12</span></td><td> </td><td class="rblock">      If-Match header  <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
417      <tr><td class="lineno" valign="top"></td><td class="lblock">      If-Modified-Since header  <span class="delete">13</span></td><td> </td><td class="rblock">      If-Modified-Since header  <span class="insert">14</span></td><td class="lineno" valign="top"></td></tr>
418      <tr><td class="lineno" valign="top"></td><td class="lblock">      If-None-Match header  <span class="delete">15</span></td><td> </td><td class="rblock">      If-None-Match header  <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
419      <tr><td class="lineno" valign="top"></td><td class="lblock">      If-Unmodified-Since header  <span class="delete">16</span></td><td> </td><td class="rblock">      If-Unmodified-Since header  <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
420      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
421      <tr><td class="lineno" valign="top"></td><td class="left">   L</td><td> </td><td class="right">   L</td><td class="lineno" valign="top"></td></tr>
422      <tr><td><a name="diff0027" /></td></tr>
423      <tr><td class="lineno" valign="top"></td><td class="lblock">      Last-Modified header  1<span class="delete">7</span></td><td> </td><td class="rblock">      Last-Modified header  1<span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
424      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
425      <tr><td class="lineno" valign="top"></td><td class="left">   S</td><td> </td><td class="right">   S</td><td class="lineno" valign="top"></td></tr>
426      <tr><td class="lineno" valign="top"></td><td class="left">      Status Codes</td><td> </td><td class="right">      Status Codes</td><td class="lineno" valign="top"></td></tr>
427      <tr><td><a name="diff0028" /></td></tr>
428      <tr><td class="lineno" valign="top"></td><td class="lblock">         304 Not Modified  <span class="delete">6</span></td><td> </td><td class="rblock">         304 Not Modified  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
429      <tr><td class="lineno" valign="top"></td><td class="lblock">         412 Precondition Failed  <span class="delete">6</span></td><td> </td><td class="rblock">         412 Precondition Failed  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
430      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
431      <tr><td class="lineno" valign="top"></td><td class="left">Authors' Addresses</td><td> </td><td class="right">Authors' Addresses</td><td class="lineno" valign="top"></td></tr>
432      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
433      <tr><td class="lineno" valign="top"></td><td class="left">   Roy T. Fielding (editor)</td><td> </td><td class="right">   Roy T. Fielding (editor)</td><td class="lineno" valign="top"></td></tr>
434      <tr><td class="lineno" valign="top"></td><td class="left">   Day Software</td><td> </td><td class="right">   Day Software</td><td class="lineno" valign="top"></td></tr>
435      <tr><td class="lineno" valign="top"></td><td class="left">   23 Corporate Plaza DR, Suite 280</td><td> </td><td class="right">   23 Corporate Plaza DR, Suite 280</td><td class="lineno" valign="top"></td></tr>
436      <tr><td class="lineno" valign="top"></td><td class="left">   Newport Beach, CA  92660</td><td> </td><td class="right">   Newport Beach, CA  92660</td><td class="lineno" valign="top"></td></tr>
437      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
438      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
439      <tr><td class="lineno" valign="top"></td><td class="left">   Phone: +1-949-706-5300</td><td> </td><td class="right">   Phone: +1-949-706-5300</td><td class="lineno" valign="top"></td></tr>
440      <tr><td class="lineno" valign="top"></td><td class="left">   Fax:   +1-949-706-5305</td><td> </td><td class="right">   Fax:   +1-949-706-5305</td><td class="lineno" valign="top"></td></tr>
441      <tr><td><a name="diff0029" /></td></tr>
442      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: fielding@gbiv.com</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: fielding@gbiv.com</td><td class="lineno" valign="top"></td></tr>
443      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://roy.gbiv.com/</td><td> </td><td class="right">   URI:   http://roy.gbiv.com/</td><td class="lineno" valign="top"></td></tr>
444      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
445      <tr><td class="lineno" valign="top"></td><td class="left">   Jim Gettys</td><td> </td><td class="right">   Jim Gettys</td><td class="lineno" valign="top"></td></tr>
446      <tr><td><a name="diff0030" /></td></tr>
447      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">One Laptop per Child</span></td><td> </td><td class="rblock">   <span class="insert">Alcatel-Lucent Bell Labs</span></td><td class="lineno" valign="top"></td></tr>
448      <tr><td class="lineno" valign="top"></td><td class="left">   21 Oak Knoll Road</td><td> </td><td class="right">   21 Oak Knoll Road</td><td class="lineno" valign="top"></td></tr>
449      <tr><td class="lineno" valign="top"></td><td class="left">   Carlisle, MA  01741</td><td> </td><td class="right">   Carlisle, MA  01741</td><td class="lineno" valign="top"></td></tr>
450      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
451      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
452      <tr><td><a name="diff0031" /></td></tr>
453      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Email: jg@laptop.org</span></td><td> </td><td class="rblock">   <span class="insert">EMail: jg@freedesktop.org</span></td><td class="lineno" valign="top"></td></tr>
454      <tr><td class="lineno" valign="top"></td><td class="lblock">   URI:   <span class="delete">http://www.laptop.org/</span></td><td> </td><td class="rblock">   URI:   <span class="insert">http://gettys.wordpress.com/</span></td><td class="lineno" valign="top"></td></tr>
455      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
456      <tr><td class="lineno" valign="top"></td><td class="left">   Jeffrey C. Mogul</td><td> </td><td class="right">   Jeffrey C. Mogul</td><td class="lineno" valign="top"></td></tr>
457      <tr><td class="lineno" valign="top"></td><td class="left">   Hewlett-Packard Company</td><td> </td><td class="right">   Hewlett-Packard Company</td><td class="lineno" valign="top"></td></tr>
458      <tr><td class="lineno" valign="top"></td><td class="left">   HP Labs, Large Scale Systems Group</td><td> </td><td class="right">   HP Labs, Large Scale Systems Group</td><td class="lineno" valign="top"></td></tr>
459      <tr><td class="lineno" valign="top"></td><td class="left">   1501 Page Mill Road, MS 1177</td><td> </td><td class="right">   1501 Page Mill Road, MS 1177</td><td class="lineno" valign="top"></td></tr>
460      <tr><td class="lineno" valign="top"></td><td class="left">   Palo Alto, CA  94304</td><td> </td><td class="right">   Palo Alto, CA  94304</td><td class="lineno" valign="top"></td></tr>
461      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
462      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
463      <tr><td><a name="diff0032" /></td></tr>
464      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: JeffMogul@acm.org</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: JeffMogul@acm.org</td><td class="lineno" valign="top"></td></tr>
465      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
466      <tr><td class="lineno" valign="top"></td><td class="left">   Henrik Frystyk Nielsen</td><td> </td><td class="right">   Henrik Frystyk Nielsen</td><td class="lineno" valign="top"></td></tr>
467      <tr><td class="lineno" valign="top"></td><td class="left">   Microsoft Corporation</td><td> </td><td class="right">   Microsoft Corporation</td><td class="lineno" valign="top"></td></tr>
468      <tr><td class="lineno" valign="top"></td><td class="left">   1 Microsoft Way</td><td> </td><td class="right">   1 Microsoft Way</td><td class="lineno" valign="top"></td></tr>
469      <tr><td class="lineno" valign="top"></td><td class="left">   Redmond, WA  98052</td><td> </td><td class="right">   Redmond, WA  98052</td><td class="lineno" valign="top"></td></tr>
470      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
471      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
472      <tr><td><a name="diff0033" /></td></tr>
473      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: henrikn@microsoft.com</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: henrikn@microsoft.com</td><td class="lineno" valign="top"></td></tr>
474      <tr><td class="lineno" valign="top"></td><td class="left">   Larry Masinter</td><td> </td><td class="right">   Larry Masinter</td><td class="lineno" valign="top"></td></tr>
475      <tr><td class="lineno" valign="top"></td><td class="left">   Adobe Systems, Incorporated</td><td> </td><td class="right">   Adobe Systems, Incorporated</td><td class="lineno" valign="top"></td></tr>
476      <tr><td class="lineno" valign="top"></td><td class="left">   345 Park Ave</td><td> </td><td class="right">   345 Park Ave</td><td class="lineno" valign="top"></td></tr>
477      <tr><td class="lineno" valign="top"></td><td class="left">   San Jose, CA  95110</td><td> </td><td class="right">   San Jose, CA  95110</td><td class="lineno" valign="top"></td></tr>
478      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
479      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
480      <tr><td><a name="diff0034" /></td></tr>
481      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: LMM@acm.org</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: LMM@acm.org</td><td class="lineno" valign="top"></td></tr>
482      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://larry.masinter.net/</td><td> </td><td class="right">   URI:   http://larry.masinter.net/</td><td class="lineno" valign="top"></td></tr>
483      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
484      <tr><td class="lineno" valign="top"></td><td class="left">   Paul J. Leach</td><td> </td><td class="right">   Paul J. Leach</td><td class="lineno" valign="top"></td></tr>
485      <tr><td class="lineno" valign="top"></td><td class="left">   Microsoft Corporation</td><td> </td><td class="right">   Microsoft Corporation</td><td class="lineno" valign="top"></td></tr>
486      <tr><td class="lineno" valign="top"></td><td class="left">   1 Microsoft Way</td><td> </td><td class="right">   1 Microsoft Way</td><td class="lineno" valign="top"></td></tr>
487      <tr><td class="lineno" valign="top"></td><td class="left">   Redmond, WA  98052</td><td> </td><td class="right">   Redmond, WA  98052</td><td class="lineno" valign="top"></td></tr>
488      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
489      <tr><td><a name="diff0035" /></td></tr>
490      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: paulle@microsoft.com</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: paulle@microsoft.com</td><td class="lineno" valign="top"></td></tr>
491      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
492      <tr><td class="lineno" valign="top"></td><td class="left">   Tim Berners-Lee</td><td> </td><td class="right">   Tim Berners-Lee</td><td class="lineno" valign="top"></td></tr>
493      <tr><td class="lineno" valign="top"></td><td class="left">   World Wide Web Consortium</td><td> </td><td class="right">   World Wide Web Consortium</td><td class="lineno" valign="top"></td></tr>
494      <tr><td class="lineno" valign="top"></td><td class="left">   MIT Computer Science and Artificial Intelligence Laboratory</td><td> </td><td class="right">   MIT Computer Science and Artificial Intelligence Laboratory</td><td class="lineno" valign="top"></td></tr>
495      <tr><td class="lineno" valign="top"></td><td class="left">   The Stata Center, Building 32</td><td> </td><td class="right">   The Stata Center, Building 32</td><td class="lineno" valign="top"></td></tr>
496      <tr><td class="lineno" valign="top"></td><td class="left">   32 Vassar Street</td><td> </td><td class="right">   32 Vassar Street</td><td class="lineno" valign="top"></td></tr>
497      <tr><td class="lineno" valign="top"></td><td class="left">   Cambridge, MA  02139</td><td> </td><td class="right">   Cambridge, MA  02139</td><td class="lineno" valign="top"></td></tr>
498      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
499      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
500      <tr><td><a name="diff0036" /></td></tr>
501      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: timbl@w3.org</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: timbl@w3.org</td><td class="lineno" valign="top"></td></tr>
502      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://www.w3.org/People/Berners-Lee/</td><td> </td><td class="right">   URI:   http://www.w3.org/People/Berners-Lee/</td><td class="lineno" valign="top"></td></tr>
503      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
504      <tr><td class="lineno" valign="top"></td><td class="left">   Yves Lafon (editor)</td><td> </td><td class="right">   Yves Lafon (editor)</td><td class="lineno" valign="top"></td></tr>
505      <tr><td class="lineno" valign="top"></td><td class="left">   World Wide Web Consortium</td><td> </td><td class="right">   World Wide Web Consortium</td><td class="lineno" valign="top"></td></tr>
506      <tr><td class="lineno" valign="top"></td><td class="left">   W3C / ERCIM</td><td> </td><td class="right">   W3C / ERCIM</td><td class="lineno" valign="top"></td></tr>
507      <tr><td class="lineno" valign="top"></td><td class="left">   2004, rte des Lucioles</td><td> </td><td class="right">   2004, rte des Lucioles</td><td class="lineno" valign="top"></td></tr>
508      <tr><td class="lineno" valign="top"></td><td class="left">   Sophia-Antipolis, AM  06902</td><td> </td><td class="right">   Sophia-Antipolis, AM  06902</td><td class="lineno" valign="top"></td></tr>
509      <tr><td class="lineno" valign="top"></td><td class="left">   France</td><td> </td><td class="right">   France</td><td class="lineno" valign="top"></td></tr>
510      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
511      <tr><td><a name="diff0037" /></td></tr>
512      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: ylafon@w3.org</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: ylafon@w3.org</td><td class="lineno" valign="top"></td></tr>
513      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://www.raubacapeu.net/people/yves/</td><td> </td><td class="right">   URI:   http://www.raubacapeu.net/people/yves/</td><td class="lineno" valign="top"></td></tr>
514      <tr><td class="lineno" valign="top"></td><td class="left">   Julian F. Reschke (editor)</td><td> </td><td class="right">   Julian F. Reschke (editor)</td><td class="lineno" valign="top"></td></tr>
515      <tr><td class="lineno" valign="top"></td><td class="left">   greenbytes GmbH</td><td> </td><td class="right">   greenbytes GmbH</td><td class="lineno" valign="top"></td></tr>
516      <tr><td class="lineno" valign="top"></td><td class="left">   Hafenweg 16</td><td> </td><td class="right">   Hafenweg 16</td><td class="lineno" valign="top"></td></tr>
517      <tr><td class="lineno" valign="top"></td><td class="left">   Muenster, NW  48155</td><td> </td><td class="right">   Muenster, NW  48155</td><td class="lineno" valign="top"></td></tr>
518      <tr><td class="lineno" valign="top"></td><td class="left">   Germany</td><td> </td><td class="right">   Germany</td><td class="lineno" valign="top"></td></tr>
519      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
520      <tr><td class="lineno" valign="top"></td><td class="left">   Phone: +49 251 2807760</td><td> </td><td class="right">   Phone: +49 251 2807760</td><td class="lineno" valign="top"></td></tr>
521      <tr><td class="lineno" valign="top"></td><td class="left">   Fax:   +49 251 2807761</td><td> </td><td class="right">   Fax:   +49 251 2807761</td><td class="lineno" valign="top"></td></tr>
522      <tr><td><a name="diff0038" /></td></tr>
523      <tr><td class="lineno" valign="top"></td><td class="lblock">   E<span class="delete">m</span>ail: julian.reschke@greenbytes.de</td><td> </td><td class="rblock">   E<span class="insert">M</span>ail: julian.reschke@greenbytes.de</td><td class="lineno" valign="top"></td></tr>
524      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://greenbytes.de/tech/webdav/</td><td> </td><td class="right">   URI:   http://greenbytes.de/tech/webdav/</td><td class="lineno" valign="top"></td></tr>
525
526     <tr><td></td><td class="left"></td><td> </td><td class="right"></td><td></td></tr>
527     <tr bgcolor="gray"><th colspan="5" align="center"><a name="end">&nbsp;End of changes. 38 change blocks.&nbsp;</a></th></tr>
528     <tr class="stats"><td></td><th><i>105 lines changed or deleted</i></th><th><i> </i></th><th><i>161 lines changed or added</i></th><td></td></tr>
529     <tr><td colspan="5" align="center" class="small"><br/>This html diff was produced by rfcdiff 1.38. The latest version is available from <a href="http://www.tools.ietf.org/tools/rfcdiff/" >http://tools.ietf.org/tools/rfcdiff/</a> </td></tr>
530   </table>
531   </body>
532   </html>
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