source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p2-semantics-05-from-4.diff.html @ 1391

Last change on this file since 1391 was 547, checked in by julian.reschke@…, 11 years ago

Prepare submission of draft -06 on Monday, March 09.

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40<body > 
41  <table border="0" cellpadding="0" cellspacing="0"> 
42  <tr bgcolor="orange"><th></th><th>&nbsp;draft-ietf-httpbis-p2-semantics-04.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p2-semantics-05.txt&nbsp;</th><th></th></tr> 
43      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
44      <tr><td class="lineno" valign="top"></td><td class="left">Network Working Group                                   R. Fielding, Ed.</td><td> </td><td class="right">Network Working Group                                   R. Fielding, Ed.</td><td class="lineno" valign="top"></td></tr>
45      <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>
46      <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>
47      <tr><td class="lineno" valign="top"></td><td class="left">Updates: 2817 (if approved)                         One Laptop per Child</td><td> </td><td class="right">Updates: 2817 (if approved)                         One Laptop per Child</td><td class="lineno" valign="top"></td></tr>
48      <tr><td class="lineno" valign="top"></td><td class="left">Intended status: Standards Track                                J. Mogul</td><td> </td><td class="right">Intended status: Standards Track                                J. Mogul</td><td class="lineno" valign="top"></td></tr>
49      <tr><td><a name="diff0001" /></td></tr>
50      <tr><td class="lineno" valign="top"></td><td class="lblock">Expires: Ma<span class="delete">rch 2, 2009</span>                                                HP</td><td> </td><td class="rblock">Expires: Ma<span class="insert">y 20, 2009 </span>                                                HP</td><td class="lineno" valign="top"></td></tr>
51      <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>
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">                                                             L. Masinter</td><td> </td><td class="right">                                                             L. Masinter</td><td class="lineno" valign="top"></td></tr>
54      <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>
55      <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>
56      <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>
57      <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>
58      <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>
59      <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>
60      <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>
61      <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>
62      <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>
63      <tr><td><a name="diff0002" /></td></tr>
64      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                       <span class="delete">  August 29</span>, 2008</td><td> </td><td class="rblock">                                                       <span class="insert">November 16</span>, 2008</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">                  HTTP/1.1, part 2: Message Semantics</td><td> </td><td class="right">                  HTTP/1.1, part 2: Message Semantics</td><td class="lineno" valign="top"></td></tr>
67      <tr><td><a name="diff0003" /></td></tr>
68      <tr><td class="lineno" valign="top"></td><td class="lblock">                   draft-ietf-httpbis-p2-semantics-0<span class="delete">4</span></td><td> </td><td class="rblock">                   draft-ietf-httpbis-p2-semantics-0<span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
69      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
70      <tr><td class="lineno" valign="top"></td><td class="left">Status of this Memo</td><td> </td><td class="right">Status of this Memo</td><td class="lineno" valign="top"></td></tr>
71      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
72      <tr><td class="lineno" valign="top"></td><td class="left">   By submitting this Internet-Draft, each author represents that any</td><td> </td><td class="right">   By submitting this Internet-Draft, each author represents that any</td><td class="lineno" valign="top"></td></tr>
73      <tr><td class="lineno" valign="top"></td><td class="left">   applicable patent or other IPR claims of which he or she is aware</td><td> </td><td class="right">   applicable patent or other IPR claims of which he or she is aware</td><td class="lineno" valign="top"></td></tr>
74      <tr><td class="lineno" valign="top"></td><td class="left">   have been or will be disclosed, and any of which he or she becomes</td><td> </td><td class="right">   have been or will be disclosed, and any of which he or she becomes</td><td class="lineno" valign="top"></td></tr>
75      <tr><td class="lineno" valign="top"></td><td class="left">   aware will be disclosed, in accordance with Section 6 of BCP 79.</td><td> </td><td class="right">   aware will be disclosed, in accordance with Section 6 of BCP 79.</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">   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>
78      <tr><td class="lineno" valign="top"></td><td class="left">   Task Force (IETF), its areas, and its working groups.  Note that</td><td> </td><td class="right">   Task Force (IETF), its areas, and its working groups.  Note that</td><td class="lineno" valign="top"></td></tr>
79      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
80      <tr bgcolor="gray" ><td></td><th><a name="part-l2" /><small>skipping to change at</small><em> page 1, line 49</em></th><th> </th><th><a name="part-r2" /><small>skipping to change at</small><em> page 1, line 49</em></th><td></td></tr>
81      <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>
82      <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>
83      <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>
84      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
85      <tr><td class="lineno" valign="top"></td><td class="left">   The list of current Internet-Drafts can be accessed at</td><td> </td><td class="right">   The list of current Internet-Drafts can be accessed at</td><td class="lineno" valign="top"></td></tr>
86      <tr><td class="lineno" valign="top"></td><td class="left">   http://www.ietf.org/ietf/1id-abstracts.txt.</td><td> </td><td class="right">   http://www.ietf.org/ietf/1id-abstracts.txt.</td><td class="lineno" valign="top"></td></tr>
87      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
88      <tr><td class="lineno" valign="top"></td><td class="left">   The list of Internet-Draft Shadow Directories can be accessed at</td><td> </td><td class="right">   The list of Internet-Draft Shadow Directories can be accessed at</td><td class="lineno" valign="top"></td></tr>
89      <tr><td class="lineno" valign="top"></td><td class="left">   http://www.ietf.org/shadow.html.</td><td> </td><td class="right">   http://www.ietf.org/shadow.html.</td><td class="lineno" valign="top"></td></tr>
90      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
91      <tr><td><a name="diff0004" /></td></tr>
92      <tr><td class="lineno" valign="top"></td><td class="lblock">   This Internet-Draft will expire on Ma<span class="delete">rch 2</span>, 2009.</td><td> </td><td class="rblock">   This Internet-Draft will expire on Ma<span class="insert">y 20</span>, 2009.</td><td class="lineno" valign="top"></td></tr>
93      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
94      <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>
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">   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>
97      <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>
98      <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>
99      <tr><td class="lineno" valign="top"></td><td class="left">   information initiative since 1990.  This document is Part 2 of the</td><td> </td><td class="right">   information initiative since 1990.  This document is Part 2 of the</td><td class="lineno" valign="top"></td></tr>
100      <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>
101      <tr><td class="lineno" valign="top"></td><td class="left">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 2 defines</td><td> </td><td class="right">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 2 defines</td><td class="lineno" valign="top"></td></tr>
102      <tr><td class="lineno" valign="top"></td><td class="left">   the semantics of HTTP messages as expressed by request methods,</td><td> </td><td class="right">   the semantics of HTTP messages as expressed by request methods,</td><td class="lineno" valign="top"></td></tr>
103      <tr><td class="lineno" valign="top"></td><td class="left">   request-header fields, response status codes, and response-header</td><td> </td><td class="right">   request-header fields, response status codes, and response-header</td><td class="lineno" valign="top"></td></tr>
104      <tr><td class="lineno" valign="top"></td><td class="left">   fields.</td><td> </td><td class="right">   fields.</td><td class="lineno" valign="top"></td></tr>
105      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
106      <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>
107      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
108      <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>
109      <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>
110      <tr><td><a name="diff0005" /></td></tr>
111      <tr><td class="lineno" valign="top"></td><td class="lblock">   at &lt;http://<span class="delete">www.</span>tools.ietf.org/wg/httpbis/trac/report/11&gt; and related</td><td> </td><td class="rblock">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/11&gt; and related</td><td class="lineno" valign="top"></td></tr>
112      <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>
113      <tr><td><a name="diff0006" /></td></tr>
114      <tr><td class="lineno" valign="top"></td><td class="lblock">   &lt;http://<span class="delete">www.</span>tools.ietf.org/wg/httpbis/&gt;.</td><td> </td><td class="rblock">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td class="lineno" valign="top"></td></tr>
115      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
116      <tr><td><a name="diff0007" /></td></tr>
117      <tr><td class="lineno" valign="top"></td><td class="lblock">   The changes in this draft are summarized in Appendix B.<span class="delete">4</span>.</td><td> </td><td class="rblock">   The changes in this draft are summarized in Appendix B.<span class="insert">6</span>.</td><td class="lineno" valign="top"></td></tr>
118      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
119      <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>
120      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
121      <tr><td class="lineno" valign="top"></td><td class="left">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  6</td><td> </td><td class="right">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  6</td><td class="lineno" valign="top"></td></tr>
122      <tr><td class="lineno" valign="top"></td><td class="left">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  6</td><td> </td><td class="right">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  6</td><td class="lineno" valign="top"></td></tr>
123      <tr><td class="lineno" valign="top"></td><td class="left">   2.  Notational Conventions and Generic Grammar . . . . . . . . . .  6</td><td> </td><td class="right">   2.  Notational Conventions and Generic Grammar . . . . . . . . . .  6</td><td class="lineno" valign="top"></td></tr>
124      <tr><td class="lineno" valign="top"></td><td class="left">   3.  Method . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8</td><td> </td><td class="right">   3.  Method . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8</td><td class="lineno" valign="top"></td></tr>
125      <tr><td class="lineno" valign="top"></td><td class="left">     3.1.  Method Registry  . . . . . . . . . . . . . . . . . . . . .  8</td><td> </td><td class="right">     3.1.  Method Registry  . . . . . . . . . . . . . . . . . . . . .  8</td><td class="lineno" valign="top"></td></tr>
126      <tr><td class="lineno" valign="top"></td><td class="left">   4.  Request Header Fields  . . . . . . . . . . . . . . . . . . . .  9</td><td> </td><td class="right">   4.  Request Header Fields  . . . . . . . . . . . . . . . . . . . .  9</td><td class="lineno" valign="top"></td></tr>
127      <tr><td><a name="diff0008" /></td></tr>
128      <tr><td class="lineno" valign="top"></td><td class="lblock">   5.  Status Code and Reason Phrase  . . . . . . . . . . . . . . . . <span class="delete"> 9</span></td><td> </td><td class="rblock">   5.  Status Code and Reason Phrase  . . . . . . . . . . . . . . . . <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
129      <tr><td class="lineno" valign="top"></td><td class="left">     5.1.  Status Code Registry . . . . . . . . . . . . . . . . . . . 12</td><td> </td><td class="right">     5.1.  Status Code Registry . . . . . . . . . . . . . . . . . . . 12</td><td class="lineno" valign="top"></td></tr>
130      <tr><td class="lineno" valign="top"></td><td class="left">   6.  Response Header Fields . . . . . . . . . . . . . . . . . . . . 12</td><td> </td><td class="right">   6.  Response Header Fields . . . . . . . . . . . . . . . . . . . . 12</td><td class="lineno" valign="top"></td></tr>
131      <tr><td class="lineno" valign="top"></td><td class="left">   7.  Entity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13</td><td> </td><td class="right">   7.  Entity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13</td><td class="lineno" valign="top"></td></tr>
132      <tr><td class="lineno" valign="top"></td><td class="left">   8.  Method Definitions . . . . . . . . . . . . . . . . . . . . . . 13</td><td> </td><td class="right">   8.  Method Definitions . . . . . . . . . . . . . . . . . . . . . . 13</td><td class="lineno" valign="top"></td></tr>
133      <tr><td class="lineno" valign="top"></td><td class="left">     8.1.  Safe and Idempotent Methods  . . . . . . . . . . . . . . . 13</td><td> </td><td class="right">     8.1.  Safe and Idempotent Methods  . . . . . . . . . . . . . . . 13</td><td class="lineno" valign="top"></td></tr>
134      <tr><td class="lineno" valign="top"></td><td class="left">       8.1.1.  Safe Methods . . . . . . . . . . . . . . . . . . . . . 13</td><td> </td><td class="right">       8.1.1.  Safe Methods . . . . . . . . . . . . . . . . . . . . . 13</td><td class="lineno" valign="top"></td></tr>
135      <tr><td class="lineno" valign="top"></td><td class="left">       8.1.2.  Idempotent Methods . . . . . . . . . . . . . . . . . . 14</td><td> </td><td class="right">       8.1.2.  Idempotent Methods . . . . . . . . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
136      <tr><td class="lineno" valign="top"></td><td class="left">     8.2.  OPTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . 14</td><td> </td><td class="right">     8.2.  OPTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
137      <tr><td class="lineno" valign="top"></td><td class="left">     8.3.  GET  . . . . . . . . . . . . . . . . . . . . . . . . . . . 15</td><td> </td><td class="right">     8.3.  GET  . . . . . . . . . . . . . . . . . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
138      <tr><td class="lineno" valign="top"></td><td class="left">     8.4.  HEAD . . . . . . . . . . . . . . . . . . . . . . . . . . . 16</td><td> </td><td class="right">     8.4.  HEAD . . . . . . . . . . . . . . . . . . . . . . . . . . . 16</td><td class="lineno" valign="top"></td></tr>
139      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
140      <tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 5, line 11</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 5, line 11</em></th><td></td></tr>
141      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix A.  Compatibility with Previous Versions  . . . . . . . . 42</td><td> </td><td class="right">   Appendix A.  Compatibility with Previous Versions  . . . . . . . . 42</td><td class="lineno" valign="top"></td></tr>
142      <tr><td class="lineno" valign="top"></td><td class="left">     A.1.  Changes from RFC 2068  . . . . . . . . . . . . . . . . . . 42</td><td> </td><td class="right">     A.1.  Changes from RFC 2068  . . . . . . . . . . . . . . . . . . 42</td><td class="lineno" valign="top"></td></tr>
143      <tr><td class="lineno" valign="top"></td><td class="left">     A.2.  Changes from RFC 2616  . . . . . . . . . . . . . . . . . . 43</td><td> </td><td class="right">     A.2.  Changes from RFC 2616  . . . . . . . . . . . . . . . . . . 43</td><td class="lineno" valign="top"></td></tr>
144      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix B.  Change Log (to be removed by RFC Editor before</td><td> </td><td class="right">   Appendix B.  Change Log (to be removed by RFC Editor before</td><td class="lineno" valign="top"></td></tr>
145      <tr><td class="lineno" valign="top"></td><td class="left">                publication)  . . . . . . . . . . . . . . . . . . . . 44</td><td> </td><td class="right">                publication)  . . . . . . . . . . . . . . . . . . . . 44</td><td class="lineno" valign="top"></td></tr>
146      <tr><td class="lineno" valign="top"></td><td class="left">     B.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . 44</td><td> </td><td class="right">     B.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . 44</td><td class="lineno" valign="top"></td></tr>
147      <tr><td class="lineno" valign="top"></td><td class="left">     B.2.  Since draft-ietf-httpbis-p2-semantics-00 . . . . . . . . . 44</td><td> </td><td class="right">     B.2.  Since draft-ietf-httpbis-p2-semantics-00 . . . . . . . . . 44</td><td class="lineno" valign="top"></td></tr>
148      <tr><td class="lineno" valign="top"></td><td class="left">     B.3.  Since draft-ietf-httpbis-p2-semantics-01 . . . . . . . . . 45</td><td> </td><td class="right">     B.3.  Since draft-ietf-httpbis-p2-semantics-01 . . . . . . . . . 45</td><td class="lineno" valign="top"></td></tr>
149      <tr><td class="lineno" valign="top"></td><td class="left">     B.4.  Since draft-ietf-httpbis-p2-semantics-02 . . . . . . . . . 45</td><td> </td><td class="right">     B.4.  Since draft-ietf-httpbis-p2-semantics-02 . . . . . . . . . 45</td><td class="lineno" valign="top"></td></tr>
150      <tr><td class="lineno" valign="top"></td><td class="left">     B.5.  Since draft-ietf-httpbis-p2-semantics-03 . . . . . . . . . 46</td><td> </td><td class="right">     B.5.  Since draft-ietf-httpbis-p2-semantics-03 . . . . . . . . . 46</td><td class="lineno" valign="top"></td></tr>
151      <tr><td><a name="diff0009" /></td></tr>
152      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Index  . . . . . . . . . . . . . . . . . . . . .</span> . . . . . . . . . 46</td><td> </td><td class="rblock">   <span class="insert">  B.6.  Since draft-ietf-httpbis-p2-semantics-04</span> . . . . . . . . . 46</td><td class="lineno" valign="top"></td></tr>
153      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 50</span></td><td> </td><td class="rblock">   <span class="insert">Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47</span></td><td class="lineno" valign="top"></td></tr>
154      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 51</span></td><td class="lineno" valign="top"></td></tr>
155      <tr><td class="lineno" valign="top"></td><td class="left">   Intellectual Property and Copyright Statements . . . . . . . . . . 54</td><td> </td><td class="right">   Intellectual Property and Copyright Statements . . . . . . . . . . 54</td><td class="lineno" valign="top"></td></tr>
156      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
157      <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>
158      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
159      <tr><td class="lineno" valign="top"></td><td class="left">   This document defines HTTP/1.1 request and response semantics.  Each</td><td> </td><td class="right">   This document defines HTTP/1.1 request and response semantics.  Each</td><td class="lineno" valign="top"></td></tr>
160      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP message, as defined in [Part1], is in the form of either a</td><td> </td><td class="right">   HTTP message, as defined in [Part1], is in the form of either a</td><td class="lineno" valign="top"></td></tr>
161      <tr><td class="lineno" valign="top"></td><td class="left">   request or a response.  An HTTP server listens on a connection for</td><td> </td><td class="right">   request or a response.  An HTTP server listens on a connection for</td><td class="lineno" valign="top"></td></tr>
162      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP requests and responds to each request, in the order received on</td><td> </td><td class="right">   HTTP requests and responds to each request, in the order received on</td><td class="lineno" valign="top"></td></tr>
163      <tr><td class="lineno" valign="top"></td><td class="left">   that connection, with one or more HTTP response messages.  This</td><td> </td><td class="right">   that connection, with one or more HTTP response messages.  This</td><td class="lineno" valign="top"></td></tr>
164      <tr><td class="lineno" valign="top"></td><td class="left">   document defines the commonly agreed upon semantics of the HTTP</td><td> </td><td class="right">   document defines the commonly agreed upon semantics of the HTTP</td><td class="lineno" valign="top"></td></tr>
165      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
166      <tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 6, line 46</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 6, line 46</em></th><td></td></tr>
167      <tr><td class="lineno" valign="top"></td><td class="left">   REQUIRED level and all the SHOULD level requirements for its</td><td> </td><td class="right">   REQUIRED level and all the SHOULD level requirements for its</td><td class="lineno" valign="top"></td></tr>
168      <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>
169      <tr><td class="lineno" valign="top"></td><td class="left">   satisfies all the MUST level requirements but not all the SHOULD</td><td> </td><td class="right">   satisfies all the MUST level requirements but not all the SHOULD</td><td class="lineno" valign="top"></td></tr>
170      <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>
171      <tr><td class="lineno" valign="top"></td><td class="left">   compliant."</td><td> </td><td class="right">   compliant."</td><td class="lineno" valign="top"></td></tr>
172      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
173      <tr><td class="lineno" valign="top"></td><td class="left">2.  Notational Conventions and Generic Grammar</td><td> </td><td class="right">2.  Notational Conventions and Generic Grammar</td><td class="lineno" valign="top"></td></tr>
174      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
175      <tr><td class="lineno" valign="top"></td><td class="left">   This specification uses the ABNF syntax defined in Section 2.1 of</td><td> </td><td class="right">   This specification uses the ABNF syntax defined in Section 2.1 of</td><td class="lineno" valign="top"></td></tr>
176      <tr><td class="lineno" valign="top"></td><td class="left">   [Part1] and the core rules defined in Section 2.2 of [Part1]:</td><td> </td><td class="right">   [Part1] and the core rules defined in Section 2.2 of [Part1]:</td><td class="lineno" valign="top"></td></tr>
177      <tr><td><a name="diff0010" /></td></tr>
178      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   [[abnf.dep: ABNF syntax and basic rules will be adopted from RFC</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
179      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   5234, see &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/36&gt;.]]</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
180      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
181      <tr><td class="lineno" valign="top"></td><td class="left">     DIGIT         = &lt;DIGIT, defined in [Part1], Section 2.2&gt;</td><td> </td><td class="right">     DIGIT         = &lt;DIGIT, defined in [Part1], Section 2.2&gt;</td><td class="lineno" valign="top"></td></tr>
182      <tr><td class="lineno" valign="top"></td><td class="left">     comment       = &lt;comment, defined in [Part1], Section 2.2&gt;</td><td> </td><td class="right">     comment       = &lt;comment, defined in [Part1], Section 2.2&gt;</td><td class="lineno" valign="top"></td></tr>
183      <tr><td class="lineno" valign="top"></td><td class="left">     quoted-string = &lt;quoted-string, defined in [Part1], Section 2.2&gt;</td><td> </td><td class="right">     quoted-string = &lt;quoted-string, defined in [Part1], Section 2.2&gt;</td><td class="lineno" valign="top"></td></tr>
184      <tr><td class="lineno" valign="top"></td><td class="left">     token         = &lt;token, defined in [Part1], Section 2.2&gt;</td><td> </td><td class="right">     token         = &lt;token, defined in [Part1], Section 2.2&gt;</td><td class="lineno" valign="top"></td></tr>
185      <tr><td><a name="diff0011" /></td></tr>
186      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     OWS           = &lt;OWS, defined in [Part1], Section 2.2&gt;</span></td><td class="lineno" valign="top"></td></tr>
187      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     RWS           = &lt;RWS, defined in [Part1], Section 2.2&gt;</span></td><td class="lineno" valign="top"></td></tr>
188      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
189      <tr><td class="lineno" valign="top"></td><td class="left">   The ABNF rules below are defined in other parts:</td><td> </td><td class="right">   The ABNF rules below are defined in other parts:</td><td class="lineno" valign="top"></td></tr>
190      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
191      <tr><td><a name="diff0012" /></td></tr>
192      <tr><td class="lineno" valign="top"></td><td class="lblock">     absolute<span class="delete">URI   = &lt;absoluteURI, defined in [Part1], Section 3.2.1</span>&gt;</td><td> </td><td class="rblock">     absolute<span class="insert">-URI  = &lt;absolute-URI, defined in [Part1], Section 3.2</span>&gt;</td><td class="lineno" valign="top"></td></tr>
193      <tr><td class="lineno" valign="top"></td><td class="lblock">     fragment      = &lt;fragment, defined in [Part1], Section 3.2<span class="delete">.1</span>&gt;</td><td> </td><td class="rblock">     fragment      = &lt;fragment, defined in [Part1], Section 3.2&gt;</td><td class="lineno" valign="top"></td></tr>
194      <tr><td class="lineno" valign="top"></td><td class="lblock">     Host          = &lt;Host, defined in [Part1], Section <span class="delete">8.4</span>&gt;</td><td> </td><td class="rblock">     Host          = &lt;Host, defined in [Part1], Section <span class="insert">3.2</span>&gt;</td><td class="lineno" valign="top"></td></tr>
195      <tr><td class="lineno" valign="top"></td><td class="left">     HTTP-date     = &lt;HTTP-date, defined in [Part1], Section 3.3.1&gt;</td><td> </td><td class="right">     HTTP-date     = &lt;HTTP-date, defined in [Part1], Section 3.3.1&gt;</td><td class="lineno" valign="top"></td></tr>
196      <tr><td class="lineno" valign="top"></td><td class="left">     product       = &lt;product, defined in [Part1], Section 3.5&gt;</td><td> </td><td class="right">     product       = &lt;product, defined in [Part1], Section 3.5&gt;</td><td class="lineno" valign="top"></td></tr>
197      <tr><td><a name="diff0013" /></td></tr>
198      <tr><td class="lineno" valign="top"></td><td class="lblock">     relativeURI   = &lt;relativeURI, defined in [Part1], Section 3.2<span class="delete">.1</span>&gt;</td><td> </td><td class="rblock">     relativeURI   = &lt;relativeURI, defined in [Part1], Section 3.2&gt;</td><td class="lineno" valign="top"></td></tr>
199      <tr><td class="lineno" valign="top"></td><td class="left">     TE            = &lt;TE, defined in [Part1], Section 8.8&gt;</td><td> </td><td class="right">     TE            = &lt;TE, defined in [Part1], Section 8.8&gt;</td><td class="lineno" valign="top"></td></tr>
200      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
201      <tr><td class="lineno" valign="top"></td><td class="left">     Accept        = &lt;Accept, defined in [Part3], Section 6.1&gt;</td><td> </td><td class="right">     Accept        = &lt;Accept, defined in [Part3], Section 6.1&gt;</td><td class="lineno" valign="top"></td></tr>
202      <tr><td class="lineno" valign="top"></td><td class="left">     Accept-Charset =</td><td> </td><td class="right">     Accept-Charset =</td><td class="lineno" valign="top"></td></tr>
203      <tr><td class="lineno" valign="top"></td><td class="left">                &lt;Accept-Charset, defined in [Part3], Section 6.2&gt;</td><td> </td><td class="right">                &lt;Accept-Charset, defined in [Part3], Section 6.2&gt;</td><td class="lineno" valign="top"></td></tr>
204      <tr><td class="lineno" valign="top"></td><td class="left">     Accept-Encoding =</td><td> </td><td class="right">     Accept-Encoding =</td><td class="lineno" valign="top"></td></tr>
205      <tr><td class="lineno" valign="top"></td><td class="left">                &lt;Accept-Encoding, defined in [Part3], Section 6.3&gt;</td><td> </td><td class="right">                &lt;Accept-Encoding, defined in [Part3], Section 6.3&gt;</td><td class="lineno" valign="top"></td></tr>
206      <tr><td class="lineno" valign="top"></td><td class="left">     Accept-Language =</td><td> </td><td class="right">     Accept-Language =</td><td class="lineno" valign="top"></td></tr>
207      <tr><td class="lineno" valign="top"></td><td class="left">                &lt;Accept-Language, defined in [Part3], Section 6.4&gt;</td><td> </td><td class="right">                &lt;Accept-Language, defined in [Part3], Section 6.4&gt;</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"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
210      <tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 8, line 12</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 8, line 18</em></th><td></td></tr>
211      <tr><td class="lineno" valign="top"></td><td class="left">                &lt;Proxy-Authorization, defined in [Part7], Section 4.3&gt;</td><td> </td><td class="right">                &lt;Proxy-Authorization, defined in [Part7], Section 4.3&gt;</td><td class="lineno" valign="top"></td></tr>
212      <tr><td class="lineno" valign="top"></td><td class="left">     WWW-Authenticate =</td><td> </td><td class="right">     WWW-Authenticate =</td><td class="lineno" valign="top"></td></tr>
213      <tr><td class="lineno" valign="top"></td><td class="left">                &lt;WWW-Authenticate, defined in [Part7], Section 4.4&gt;</td><td> </td><td class="right">                &lt;WWW-Authenticate, defined in [Part7], Section 4.4&gt;</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">3.  Method</td><td> </td><td class="right">3.  Method</td><td class="lineno" valign="top"></td></tr>
216      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
217      <tr><td class="lineno" valign="top"></td><td class="left">   The Method token indicates the method to be performed on the resource</td><td> </td><td class="right">   The Method token indicates the method to be performed on the resource</td><td class="lineno" valign="top"></td></tr>
218      <tr><td class="lineno" valign="top"></td><td class="left">   identified by the Request-URI.  The method is case-sensitive.</td><td> </td><td class="right">   identified by the Request-URI.  The method is case-sensitive.</td><td class="lineno" valign="top"></td></tr>
219      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
220      <tr><td class="lineno" valign="top"></td><td class="left">     Method         = %x4F.50.54.49.4F.4E.53   ; "OPTIONS", Section 8.2</td><td> </td><td class="right">     Method         = %x4F.50.54.49.4F.4E.53   ; "OPTIONS", Section 8.2</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">                    <span class="delete">|</span> %x47.45.54               ; "GET", Section 8.3</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x47.45.54               ; "GET", Section 8.3</td><td class="lineno" valign="top"></td></tr>
223      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> %x48.45.41.44            ; "HEAD", Section 8.4</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x48.45.41.44            ; "HEAD", Section 8.4</td><td class="lineno" valign="top"></td></tr>
224      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> %x50.4F.53.54            ; "POST", Section 8.5</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x50.4F.53.54            ; "POST", Section 8.5</td><td class="lineno" valign="top"></td></tr>
225      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> %x50.55.54               ; "PUT", Section 8.6</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x50.55.54               ; "PUT", Section 8.6</td><td class="lineno" valign="top"></td></tr>
226      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> %x44.45.4C.45.54.45      ; "DELETE", Section 8.7</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x44.45.4C.45.54.45      ; "DELETE", Section 8.7</td><td class="lineno" valign="top"></td></tr>
227      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> %x54.52.41.43.45         ; "TRACE", Section 8.8</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x54.52.41.43.45         ; "TRACE", Section 8.8</td><td class="lineno" valign="top"></td></tr>
228      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> %x43.4F.4E.4E.45.43.54   ; "CONNECT", Section 8.9</td><td> </td><td class="rblock">                    <span class="insert">/</span> %x43.4F.4E.4E.45.43.54   ; "CONNECT", Section 8.9</td><td class="lineno" valign="top"></td></tr>
229      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> extension-method</td><td> </td><td class="rblock">                    <span class="insert">/</span> extension-method</td><td class="lineno" valign="top"></td></tr>
230      <tr><td class="lineno" valign="top"></td><td class="left">     extension-method = token</td><td> </td><td class="right">     extension-method = token</td><td class="lineno" valign="top"></td></tr>
231      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
232      <tr><td class="lineno" valign="top"></td><td class="left">   The list of methods allowed by a resource can be specified in an</td><td> </td><td class="right">   The list of methods allowed by a resource can be specified in an</td><td class="lineno" valign="top"></td></tr>
233      <tr><td class="lineno" valign="top"></td><td class="left">   Allow header field (Section 10.1).  The return code of the response</td><td> </td><td class="right">   Allow header field (Section 10.1).  The return code of the response</td><td class="lineno" valign="top"></td></tr>
234      <tr><td class="lineno" valign="top"></td><td class="left">   always notifies the client whether a method is currently allowed on a</td><td> </td><td class="right">   always notifies the client whether a method is currently allowed on a</td><td class="lineno" valign="top"></td></tr>
235      <tr><td class="lineno" valign="top"></td><td class="left">   resource, since the set of allowed methods can change dynamically.</td><td> </td><td class="right">   resource, since the set of allowed methods can change dynamically.</td><td class="lineno" valign="top"></td></tr>
236      <tr><td class="lineno" valign="top"></td><td class="left">   An origin server SHOULD return the status code 405 (Method Not</td><td> </td><td class="right">   An origin server SHOULD return the status code 405 (Method Not</td><td class="lineno" valign="top"></td></tr>
237      <tr><td class="lineno" valign="top"></td><td class="left">   Allowed) if the method is known by the origin server but not allowed</td><td> </td><td class="right">   Allowed) if the method is known by the origin server but not allowed</td><td class="lineno" valign="top"></td></tr>
238      <tr><td class="lineno" valign="top"></td><td class="left">   for the requested resource, and 501 (Not Implemented) if the method</td><td> </td><td class="right">   for the requested resource, and 501 (Not Implemented) if the method</td><td class="lineno" valign="top"></td></tr>
239      <tr><td class="lineno" valign="top"></td><td class="left">   is unrecognized or not implemented by the origin server.  The methods</td><td> </td><td class="right">   is unrecognized or not implemented by the origin server.  The methods</td><td class="lineno" valign="top"></td></tr>
240      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
241      <tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 9, line 18</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 9, line 25</em></th><td></td></tr>
242      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
243      <tr><td class="lineno" valign="top"></td><td class="left">4.  Request Header Fields</td><td> </td><td class="right">4.  Request Header Fields</td><td class="lineno" valign="top"></td></tr>
244      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
245      <tr><td class="lineno" valign="top"></td><td class="left">   The request-header fields allow the client to pass additional</td><td> </td><td class="right">   The request-header fields allow the client to pass additional</td><td class="lineno" valign="top"></td></tr>
246      <tr><td class="lineno" valign="top"></td><td class="left">   information about the request, and about the client itself, to the</td><td> </td><td class="right">   information about the request, and about the client itself, to the</td><td class="lineno" valign="top"></td></tr>
247      <tr><td class="lineno" valign="top"></td><td class="left">   server.  These fields act as request modifiers, with semantics</td><td> </td><td class="right">   server.  These fields act as request modifiers, with semantics</td><td class="lineno" valign="top"></td></tr>
248      <tr><td class="lineno" valign="top"></td><td class="left">   equivalent to the parameters on a programming language method</td><td> </td><td class="right">   equivalent to the parameters on a programming language method</td><td class="lineno" valign="top"></td></tr>
249      <tr><td class="lineno" valign="top"></td><td class="left">   invocation.</td><td> </td><td class="right">   invocation.</td><td class="lineno" valign="top"></td></tr>
250      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
251      <tr><td class="lineno" valign="top"></td><td class="left">     request-header = Accept                   ; [Part3], Section 6.1</td><td> </td><td class="right">     request-header = Accept                   ; [Part3], Section 6.1</td><td class="lineno" valign="top"></td></tr>
252      <tr><td><a name="diff0015" /></td></tr>
253      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Accept-Charset           ; [Part3], Section 6.2</td><td> </td><td class="rblock">                    <span class="insert">/</span> Accept-Charset           ; [Part3], Section 6.2</td><td class="lineno" valign="top"></td></tr>
254      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Accept-Encoding          ; [Part3], Section 6.3</td><td> </td><td class="rblock">                    <span class="insert">/</span> Accept-Encoding          ; [Part3], Section 6.3</td><td class="lineno" valign="top"></td></tr>
255      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Accept-Language          ; [Part3], Section 6.4</td><td> </td><td class="rblock">                    <span class="insert">/</span> Accept-Language          ; [Part3], Section 6.4</td><td class="lineno" valign="top"></td></tr>
256      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Authorization            ; [Part7], Section 4.1</td><td> </td><td class="rblock">                    <span class="insert">/</span> Authorization            ; [Part7], Section 4.1</td><td class="lineno" valign="top"></td></tr>
257      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Expect                   ; Section 10.2</td><td> </td><td class="rblock">                    <span class="insert">/</span> Expect                   ; Section 10.2</td><td class="lineno" valign="top"></td></tr>
258      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> From                     ; Section 10.3</td><td> </td><td class="rblock">                    <span class="insert">/</span> From                     ; Section 10.3</td><td class="lineno" valign="top"></td></tr>
259      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Host                     ; [Part1], Section 8.4</td><td> </td><td class="rblock">                    <span class="insert">/</span> Host                     ; [Part1], Section 8.4</td><td class="lineno" valign="top"></td></tr>
260      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> If-Match                 ; [Part4], Section 7.2</td><td> </td><td class="rblock">                    <span class="insert">/</span> If-Match                 ; [Part4], Section 7.2</td><td class="lineno" valign="top"></td></tr>
261      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> If-Modified-Since        ; [Part4], Section 7.3</td><td> </td><td class="rblock">                    <span class="insert">/</span> If-Modified-Since        ; [Part4], Section 7.3</td><td class="lineno" valign="top"></td></tr>
262      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> If-None-Match            ; [Part4], Section 7.4</td><td> </td><td class="rblock">                    <span class="insert">/</span> If-None-Match            ; [Part4], Section 7.4</td><td class="lineno" valign="top"></td></tr>
263      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> If-Range                 ; [Part5], Section 6.3</td><td> </td><td class="rblock">                    <span class="insert">/</span> If-Range                 ; [Part5], Section 6.3</td><td class="lineno" valign="top"></td></tr>
264      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> If-Unmodified-Since      ; [Part4], Section 7.5</td><td> </td><td class="rblock">                    <span class="insert">/</span> If-Unmodified-Since      ; [Part4], Section 7.5</td><td class="lineno" valign="top"></td></tr>
265      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Max-Forwards             ; Section 10.5</td><td> </td><td class="rblock">                    <span class="insert">/</span> Max-Forwards             ; Section 10.5</td><td class="lineno" valign="top"></td></tr>
266      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Proxy-Authorization      ; [Part7], Section 4.3</td><td> </td><td class="rblock">                    <span class="insert">/</span> Proxy-Authorization      ; [Part7], Section 4.3</td><td class="lineno" valign="top"></td></tr>
267      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Range                    ; [Part5], Section 6.4</td><td> </td><td class="rblock">                    <span class="insert">/</span> Range                    ; [Part5], Section 6.4</td><td class="lineno" valign="top"></td></tr>
268      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> Referer                  ; Section 10.6</td><td> </td><td class="rblock">                    <span class="insert">/</span> Referer                  ; Section 10.6</td><td class="lineno" valign="top"></td></tr>
269      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> TE                       ; [Part1], Section 8.8</td><td> </td><td class="rblock">                    <span class="insert">/</span> TE                       ; [Part1], Section 8.8</td><td class="lineno" valign="top"></td></tr>
270      <tr><td class="lineno" valign="top"></td><td class="lblock">                    <span class="delete">|</span> User-Agent               ; Section 10.9</td><td> </td><td class="rblock">                    <span class="insert">/</span> User-Agent               ; Section 10.9</td><td class="lineno" valign="top"></td></tr>
271      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
272      <tr><td class="lineno" valign="top"></td><td class="left">   Request-header field names can be extended reliably only in</td><td> </td><td class="right">   Request-header field names can be extended reliably only in</td><td class="lineno" valign="top"></td></tr>
273      <tr><td class="lineno" valign="top"></td><td class="left">   combination with a change in the protocol version.  However, new or</td><td> </td><td class="right">   combination with a change in the protocol version.  However, new or</td><td class="lineno" valign="top"></td></tr>
274      <tr><td class="lineno" valign="top"></td><td class="left">   experimental header fields MAY be given the semantics of request-</td><td> </td><td class="right">   experimental header fields MAY be given the semantics of request-</td><td class="lineno" valign="top"></td></tr>
275      <tr><td class="lineno" valign="top"></td><td class="left">   header fields if all parties in the communication recognize them to</td><td> </td><td class="right">   header fields if all parties in the communication recognize them to</td><td class="lineno" valign="top"></td></tr>
276      <tr><td class="lineno" valign="top"></td><td class="left">   be request-header fields.  Unrecognized header fields are treated as</td><td> </td><td class="right">   be request-header fields.  Unrecognized header fields are treated as</td><td class="lineno" valign="top"></td></tr>
277      <tr><td class="lineno" valign="top"></td><td class="left">   entity-header fields.</td><td> </td><td class="right">   entity-header fields.</td><td class="lineno" valign="top"></td></tr>
278      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
279      <tr><td class="lineno" valign="top"></td><td class="left">5.  Status Code and Reason Phrase</td><td> </td><td class="right">5.  Status Code and Reason Phrase</td><td class="lineno" valign="top"></td></tr>
280      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
281      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
282      <tr bgcolor="gray" ><td></td><th><a name="part-l7" /><small>skipping to change at</small><em> page 11, line 7</em></th><th> </th><th><a name="part-r7" /><small>skipping to change at</small><em> page 11, line 7</em></th><td></td></tr>
283      <tr><td class="lineno" valign="top"></td><td class="left">   or display the Reason-Phrase.</td><td> </td><td class="right">   or display the Reason-Phrase.</td><td class="lineno" valign="top"></td></tr>
284      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
285      <tr><td class="lineno" valign="top"></td><td class="left">   The individual values of the numeric status codes defined for</td><td> </td><td class="right">   The individual values of the numeric status codes defined for</td><td class="lineno" valign="top"></td></tr>
286      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP/1.1, and an example set of corresponding Reason-Phrase's, are</td><td> </td><td class="right">   HTTP/1.1, and an example set of corresponding Reason-Phrase's, are</td><td class="lineno" valign="top"></td></tr>
287      <tr><td class="lineno" valign="top"></td><td class="left">   presented below.  The reason phrases listed here are only</td><td> </td><td class="right">   presented below.  The reason phrases listed here are only</td><td class="lineno" valign="top"></td></tr>
288      <tr><td class="lineno" valign="top"></td><td class="left">   recommendations -- they MAY be replaced by local equivalents without</td><td> </td><td class="right">   recommendations -- they MAY be replaced by local equivalents without</td><td class="lineno" valign="top"></td></tr>
289      <tr><td class="lineno" valign="top"></td><td class="left">   affecting the protocol.</td><td> </td><td class="right">   affecting the protocol.</td><td class="lineno" valign="top"></td></tr>
290      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
291      <tr><td class="lineno" valign="top"></td><td class="left">     Status-Code    =</td><td> </td><td class="right">     Status-Code    =</td><td class="lineno" valign="top"></td></tr>
292      <tr><td class="lineno" valign="top"></td><td class="left">            "100"  ; Section 9.1.1: Continue</td><td> </td><td class="right">            "100"  ; Section 9.1.1: Continue</td><td class="lineno" valign="top"></td></tr>
293      <tr><td><a name="diff0016" /></td></tr>
294      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "101"  ; Section 9.1.2: Switching Protocols</td><td> </td><td class="rblock">          <span class="insert">/</span> "101"  ; Section 9.1.2: Switching Protocols</td><td class="lineno" valign="top"></td></tr>
295      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "200"  ; Section 9.2.1: OK</td><td> </td><td class="rblock">          <span class="insert">/</span> "200"  ; Section 9.2.1: OK</td><td class="lineno" valign="top"></td></tr>
296      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "201"  ; Section 9.2.2: Created</td><td> </td><td class="rblock">          <span class="insert">/</span> "201"  ; Section 9.2.2: Created</td><td class="lineno" valign="top"></td></tr>
297      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "202"  ; Section 9.2.3: Accepted</td><td> </td><td class="rblock">          <span class="insert">/</span> "202"  ; Section 9.2.3: Accepted</td><td class="lineno" valign="top"></td></tr>
298      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "203"  ; Section 9.2.4: Non-Authoritative Information</td><td> </td><td class="rblock">          <span class="insert">/</span> "203"  ; Section 9.2.4: Non-Authoritative Information</td><td class="lineno" valign="top"></td></tr>
299      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "204"  ; Section 9.2.5: No Content</td><td> </td><td class="rblock">          <span class="insert">/</span> "204"  ; Section 9.2.5: No Content</td><td class="lineno" valign="top"></td></tr>
300      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "205"  ; Section 9.2.6: Reset Content</td><td> </td><td class="rblock">          <span class="insert">/</span> "205"  ; Section 9.2.6: Reset Content</td><td class="lineno" valign="top"></td></tr>
301      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "206"  ; Section 9.2.7: Partial Content</td><td> </td><td class="rblock">          <span class="insert">/</span> "206"  ; Section 9.2.7: Partial Content</td><td class="lineno" valign="top"></td></tr>
302      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "300"  ; Section 9.3.1: Multiple Choices</td><td> </td><td class="rblock">          <span class="insert">/</span> "300"  ; Section 9.3.1: Multiple Choices</td><td class="lineno" valign="top"></td></tr>
303      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "301"  ; Section 9.3.2: Moved Permanently</td><td> </td><td class="rblock">          <span class="insert">/</span> "301"  ; Section 9.3.2: Moved Permanently</td><td class="lineno" valign="top"></td></tr>
304      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "302"  ; Section 9.3.3: Found</td><td> </td><td class="rblock">          <span class="insert">/</span> "302"  ; Section 9.3.3: Found</td><td class="lineno" valign="top"></td></tr>
305      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "303"  ; Section 9.3.4: See Other</td><td> </td><td class="rblock">          <span class="insert">/</span> "303"  ; Section 9.3.4: See Other</td><td class="lineno" valign="top"></td></tr>
306      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "304"  ; Section 9.3.5: Not Modified</td><td> </td><td class="rblock">          <span class="insert">/</span> "304"  ; Section 9.3.5: Not Modified</td><td class="lineno" valign="top"></td></tr>
307      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "305"  ; Section 9.3.6: Use Proxy</td><td> </td><td class="rblock">          <span class="insert">/</span> "305"  ; Section 9.3.6: Use Proxy</td><td class="lineno" valign="top"></td></tr>
308      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "307"  ; Section 9.3.8: Temporary Redirect</td><td> </td><td class="rblock">          <span class="insert">/</span> "307"  ; Section 9.3.8: Temporary Redirect</td><td class="lineno" valign="top"></td></tr>
309      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "400"  ; Section 9.4.1: Bad Request</td><td> </td><td class="rblock">          <span class="insert">/</span> "400"  ; Section 9.4.1: Bad Request</td><td class="lineno" valign="top"></td></tr>
310      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "401"  ; Section 9.4.2: Unauthorized</td><td> </td><td class="rblock">          <span class="insert">/</span> "401"  ; Section 9.4.2: Unauthorized</td><td class="lineno" valign="top"></td></tr>
311      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "402"  ; Section 9.4.3: Payment Required</td><td> </td><td class="rblock">          <span class="insert">/</span> "402"  ; Section 9.4.3: Payment Required</td><td class="lineno" valign="top"></td></tr>
312      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "403"  ; Section 9.4.4: Forbidden</td><td> </td><td class="rblock">          <span class="insert">/</span> "403"  ; Section 9.4.4: Forbidden</td><td class="lineno" valign="top"></td></tr>
313      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "404"  ; Section 9.4.5: Not Found</td><td> </td><td class="rblock">          <span class="insert">/</span> "404"  ; Section 9.4.5: Not Found</td><td class="lineno" valign="top"></td></tr>
314      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "405"  ; Section 9.4.6: Method Not Allowed</td><td> </td><td class="rblock">          <span class="insert">/</span> "405"  ; Section 9.4.6: Method Not Allowed</td><td class="lineno" valign="top"></td></tr>
315      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "406"  ; Section 9.4.7: Not Acceptable</td><td> </td><td class="rblock">          <span class="insert">/</span> "406"  ; Section 9.4.7: Not Acceptable</td><td class="lineno" valign="top"></td></tr>
316      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "407"  ; Section 9.4.8: Proxy Authentication Required</td><td> </td><td class="rblock">          <span class="insert">/</span> "407"  ; Section 9.4.8: Proxy Authentication Required</td><td class="lineno" valign="top"></td></tr>
317      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "408"  ; Section 9.4.9: Request Time-out</td><td> </td><td class="rblock">          <span class="insert">/</span> "408"  ; Section 9.4.9: Request Time-out</td><td class="lineno" valign="top"></td></tr>
318      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "409"  ; Section 9.4.10: Conflict</td><td> </td><td class="rblock">          <span class="insert">/</span> "409"  ; Section 9.4.10: Conflict</td><td class="lineno" valign="top"></td></tr>
319      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "410"  ; Section 9.4.11: Gone</td><td> </td><td class="rblock">          <span class="insert">/</span> "410"  ; Section 9.4.11: Gone</td><td class="lineno" valign="top"></td></tr>
320      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "411"  ; Section 9.4.12: Length Required</td><td> </td><td class="rblock">          <span class="insert">/</span> "411"  ; Section 9.4.12: Length Required</td><td class="lineno" valign="top"></td></tr>
321      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "412"  ; Section 9.4.13: Precondition Failed</td><td> </td><td class="rblock">          <span class="insert">/</span> "412"  ; Section 9.4.13: Precondition Failed</td><td class="lineno" valign="top"></td></tr>
322      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "413"  ; Section 9.4.14: Request Entity Too Large</td><td> </td><td class="rblock">          <span class="insert">/</span> "413"  ; Section 9.4.14: Request Entity Too Large</td><td class="lineno" valign="top"></td></tr>
323      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "414"  ; Section 9.4.15: Request-URI Too Large</td><td> </td><td class="rblock">          <span class="insert">/</span> "414"  ; Section 9.4.15: Request-URI Too Large</td><td class="lineno" valign="top"></td></tr>
324      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "415"  ; Section 9.4.16: Unsupported Media Type</td><td> </td><td class="rblock">          <span class="insert">/</span> "415"  ; Section 9.4.16: Unsupported Media Type</td><td class="lineno" valign="top"></td></tr>
325      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "416"  ; Section 9.4.17: Requested range not satisfiable</td><td> </td><td class="rblock">          <span class="insert">/</span> "416"  ; Section 9.4.17: Requested range not satisfiable</td><td class="lineno" valign="top"></td></tr>
326      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "417"  ; Section 9.4.18: Expectation Failed</td><td> </td><td class="rblock">          <span class="insert">/</span> "417"  ; Section 9.4.18: Expectation Failed</td><td class="lineno" valign="top"></td></tr>
327      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "500"  ; Section 9.5.1: Internal Server Error</td><td> </td><td class="rblock">          <span class="insert">/</span> "500"  ; Section 9.5.1: Internal Server Error</td><td class="lineno" valign="top"></td></tr>
328      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "501"  ; Section 9.5.2: Not Implemented</td><td> </td><td class="rblock">          <span class="insert">/</span> "501"  ; Section 9.5.2: Not Implemented</td><td class="lineno" valign="top"></td></tr>
329      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "502"  ; Section 9.5.3: Bad Gateway</td><td> </td><td class="rblock">          <span class="insert">/</span> "502"  ; Section 9.5.3: Bad Gateway</td><td class="lineno" valign="top"></td></tr>
330      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "503"  ; Section 9.5.4: Service Unavailable</td><td> </td><td class="rblock">          <span class="insert">/</span> "503"  ; Section 9.5.4: Service Unavailable</td><td class="lineno" valign="top"></td></tr>
331      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "504"  ; Section 9.5.5: Gateway Time-out</td><td> </td><td class="rblock">          <span class="insert">/</span> "504"  ; Section 9.5.5: Gateway Time-out</td><td class="lineno" valign="top"></td></tr>
332      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> "505"  ; Section 9.5.6: HTTP Version not supported</td><td> </td><td class="rblock">          <span class="insert">/</span> "505"  ; Section 9.5.6: HTTP Version not supported</td><td class="lineno" valign="top"></td></tr>
333      <tr><td class="lineno" valign="top"></td><td class="lblock">          <span class="delete">|</span> extension-code</td><td> </td><td class="rblock">          <span class="insert">/</span> extension-code</td><td class="lineno" valign="top"></td></tr>
334      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
335      <tr><td class="lineno" valign="top"></td><td class="left">     extension-code = 3DIGIT</td><td> </td><td class="right">     extension-code = 3DIGIT</td><td class="lineno" valign="top"></td></tr>
336      <tr><td class="lineno" valign="top"></td><td class="left">     Reason-Phrase  = *&lt;TEXT, excluding CR, LF&gt;</td><td> </td><td class="right">     Reason-Phrase  = *&lt;TEXT, excluding CR, LF&gt;</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">   HTTP status codes are extensible.  HTTP applications are not required</td><td> </td><td class="right">   HTTP status codes are extensible.  HTTP applications are not required</td><td class="lineno" valign="top"></td></tr>
339      <tr><td class="lineno" valign="top"></td><td class="left">   to understand the meaning of all registered status codes, though such</td><td> </td><td class="right">   to understand the meaning of all registered status codes, though such</td><td class="lineno" valign="top"></td></tr>
340      <tr><td class="lineno" valign="top"></td><td class="left">   understanding is obviously desirable.  However, applications MUST</td><td> </td><td class="right">   understanding is obviously desirable.  However, applications MUST</td><td class="lineno" valign="top"></td></tr>
341      <tr><td class="lineno" valign="top"></td><td class="left">   understand the class of any status code, as indicated by the first</td><td> </td><td class="right">   understand the class of any status code, as indicated by the first</td><td class="lineno" valign="top"></td></tr>
342      <tr><td class="lineno" valign="top"></td><td class="left">   digit, and treat any unrecognized response as being equivalent to the</td><td> </td><td class="right">   digit, and treat any unrecognized response as being equivalent to the</td><td class="lineno" valign="top"></td></tr>
343      <tr><td class="lineno" valign="top"></td><td class="left">   x00 status code of that class, with the exception that an</td><td> </td><td class="right">   x00 status code of that class, with the exception that an</td><td class="lineno" valign="top"></td></tr>
344      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
345      <tr bgcolor="gray" ><td></td><th><a name="part-l8" /><small>skipping to change at</small><em> page 12, line 37</em></th><th> </th><th><a name="part-r8" /><small>skipping to change at</small><em> page 12, line 37</em></th><td></td></tr>
346      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://www.iana.org/assignments/http-status-codes&gt;.</td><td> </td><td class="right">   &lt;http://www.iana.org/assignments/http-status-codes&gt;.</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">6.  Response Header Fields</td><td> </td><td class="right">6.  Response Header Fields</td><td class="lineno" valign="top"></td></tr>
349      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
350      <tr><td class="lineno" valign="top"></td><td class="left">   The response-header fields allow the server to pass additional</td><td> </td><td class="right">   The response-header fields allow the server to pass additional</td><td class="lineno" valign="top"></td></tr>
351      <tr><td class="lineno" valign="top"></td><td class="left">   information about the response which cannot be placed in the Status-</td><td> </td><td class="right">   information about the response which cannot be placed in the Status-</td><td class="lineno" valign="top"></td></tr>
352      <tr><td class="lineno" valign="top"></td><td class="left">   Line.  These header fields give information about the server and</td><td> </td><td class="right">   Line.  These header fields give information about the server and</td><td class="lineno" valign="top"></td></tr>
353      <tr><td class="lineno" valign="top"></td><td class="left">   about further access to the resource identified by the Request-URI.</td><td> </td><td class="right">   about further access to the resource identified by the Request-URI.</td><td class="lineno" valign="top"></td></tr>
354      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
355      <tr><td class="lineno" valign="top"></td><td class="left">     response-header = Accept-Ranges           ; [Part5], Section 6.1</td><td> </td><td class="right">     response-header = Accept-Ranges           ; [Part5], Section 6.1</td><td class="lineno" valign="top"></td></tr>
356      <tr><td><a name="diff0017" /></td></tr>
357      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Age                     ; [Part6], Section 16.1</td><td> </td><td class="rblock">                     <span class="insert">/</span> Age                     ; [Part6], Section 16.1</td><td class="lineno" valign="top"></td></tr>
358      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Allow                   ; Section 10.1</td><td> </td><td class="rblock">                     <span class="insert">/</span> Allow                   ; Section 10.1</td><td class="lineno" valign="top"></td></tr>
359      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> ETag                    ; [Part4], Section 7.1</td><td> </td><td class="rblock">                     <span class="insert">/</span> ETag                    ; [Part4], Section 7.1</td><td class="lineno" valign="top"></td></tr>
360      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Location                ; Section 10.4</td><td> </td><td class="rblock">                     <span class="insert">/</span> Location                ; Section 10.4</td><td class="lineno" valign="top"></td></tr>
361      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Proxy-Authenticate      ; [Part7], Section 4.2</td><td> </td><td class="rblock">                     <span class="insert">/</span> Proxy-Authenticate      ; [Part7], Section 4.2</td><td class="lineno" valign="top"></td></tr>
362      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Retry-After             ; Section 10.7</td><td> </td><td class="rblock">                     <span class="insert">/</span> Retry-After             ; Section 10.7</td><td class="lineno" valign="top"></td></tr>
363      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Server                  ; Section 10.8</td><td> </td><td class="rblock">                     <span class="insert">/</span> Server                  ; Section 10.8</td><td class="lineno" valign="top"></td></tr>
364      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> Vary                    ; [Part6], Section 16.5</td><td> </td><td class="rblock">                     <span class="insert">/</span> Vary                    ; [Part6], Section 16.5</td><td class="lineno" valign="top"></td></tr>
365      <tr><td class="lineno" valign="top"></td><td class="lblock">                     <span class="delete">|</span> WWW-Authenticate        ; [Part7], Section 4.4</td><td> </td><td class="rblock">                     <span class="insert">/</span> WWW-Authenticate        ; [Part7], Section 4.4</td><td class="lineno" valign="top"></td></tr>
366      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
367      <tr><td class="lineno" valign="top"></td><td class="left">   Response-header field names can be extended reliably only in</td><td> </td><td class="right">   Response-header field names can be extended reliably only in</td><td class="lineno" valign="top"></td></tr>
368      <tr><td class="lineno" valign="top"></td><td class="left">   combination with a change in the protocol version.  However, new or</td><td> </td><td class="right">   combination with a change in the protocol version.  However, new or</td><td class="lineno" valign="top"></td></tr>
369      <tr><td class="lineno" valign="top"></td><td class="left">   experimental header fields MAY be given the semantics of response-</td><td> </td><td class="right">   experimental header fields MAY be given the semantics of response-</td><td class="lineno" valign="top"></td></tr>
370      <tr><td class="lineno" valign="top"></td><td class="left">   header fields if all parties in the communication recognize them to</td><td> </td><td class="right">   header fields if all parties in the communication recognize them to</td><td class="lineno" valign="top"></td></tr>
371      <tr><td class="lineno" valign="top"></td><td class="left">   be response-header fields.  Unrecognized header fields are treated as</td><td> </td><td class="right">   be response-header fields.  Unrecognized header fields are treated as</td><td class="lineno" valign="top"></td></tr>
372      <tr><td class="lineno" valign="top"></td><td class="left">   entity-header fields.</td><td> </td><td class="right">   entity-header fields.</td><td class="lineno" valign="top"></td></tr>
373      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
374      <tr><td class="lineno" valign="top"></td><td class="left">7.  Entity</td><td> </td><td class="right">7.  Entity</td><td class="lineno" valign="top"></td></tr>
375      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
376      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
377      <tr bgcolor="gray" ><td></td><th><a name="part-l9" /><small>skipping to change at</small><em> page 15, line 19</em></th><th> </th><th><a name="part-r9" /><small>skipping to change at</small><em> page 15, line 19</em></th><td></td></tr>
378      <tr><td class="lineno" valign="top"></td><td class="left">   this specification.  The response body, if any, SHOULD also include</td><td> </td><td class="right">   this specification.  The response body, if any, SHOULD also include</td><td class="lineno" valign="top"></td></tr>
379      <tr><td class="lineno" valign="top"></td><td class="left">   information about the communication options.  The format for such a</td><td> </td><td class="right">   information about the communication options.  The format for such a</td><td class="lineno" valign="top"></td></tr>
380      <tr><td class="lineno" valign="top"></td><td class="left">   body is not defined by this specification, but might be defined by</td><td> </td><td class="right">   body is not defined by this specification, but might be defined by</td><td class="lineno" valign="top"></td></tr>
381      <tr><td class="lineno" valign="top"></td><td class="left">   future extensions to HTTP.  Content negotiation MAY be used to select</td><td> </td><td class="right">   future extensions to HTTP.  Content negotiation MAY be used to select</td><td class="lineno" valign="top"></td></tr>
382      <tr><td class="lineno" valign="top"></td><td class="left">   the appropriate response format.  If no response body is included,</td><td> </td><td class="right">   the appropriate response format.  If no response body is included,</td><td class="lineno" valign="top"></td></tr>
383      <tr><td class="lineno" valign="top"></td><td class="left">   the response MUST include a Content-Length field with a field-value</td><td> </td><td class="right">   the response MUST include a Content-Length field with a field-value</td><td class="lineno" valign="top"></td></tr>
384      <tr><td class="lineno" valign="top"></td><td class="left">   of "0".</td><td> </td><td class="right">   of "0".</td><td class="lineno" valign="top"></td></tr>
385      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
386      <tr><td class="lineno" valign="top"></td><td class="left">   The Max-Forwards request-header field MAY be used to target a</td><td> </td><td class="right">   The Max-Forwards request-header field MAY be used to target a</td><td class="lineno" valign="top"></td></tr>
387      <tr><td class="lineno" valign="top"></td><td class="left">   specific proxy in the request chain.  When a proxy receives an</td><td> </td><td class="right">   specific proxy in the request chain.  When a proxy receives an</td><td class="lineno" valign="top"></td></tr>
388      <tr><td><a name="diff0018" /></td></tr>
389      <tr><td class="lineno" valign="top"></td><td class="lblock">   OPTIONS request on an absoluteURI for which request forwarding is</td><td> </td><td class="rblock">   OPTIONS request on an absolute<span class="insert">-</span>URI for which request forwarding is</td><td class="lineno" valign="top"></td></tr>
390      <tr><td class="lineno" valign="top"></td><td class="left">   permitted, the proxy MUST check for a Max-Forwards field.  If the</td><td> </td><td class="right">   permitted, the proxy MUST check for a Max-Forwards field.  If the</td><td class="lineno" valign="top"></td></tr>
391      <tr><td class="lineno" valign="top"></td><td class="left">   Max-Forwards field-value is zero ("0"), the proxy MUST NOT forward</td><td> </td><td class="right">   Max-Forwards field-value is zero ("0"), the proxy MUST NOT forward</td><td class="lineno" valign="top"></td></tr>
392      <tr><td class="lineno" valign="top"></td><td class="left">   the message; instead, the proxy SHOULD respond with its own</td><td> </td><td class="right">   the message; instead, the proxy SHOULD respond with its own</td><td class="lineno" valign="top"></td></tr>
393      <tr><td class="lineno" valign="top"></td><td class="left">   communication options.  If the Max-Forwards field-value is an integer</td><td> </td><td class="right">   communication options.  If the Max-Forwards field-value is an integer</td><td class="lineno" valign="top"></td></tr>
394      <tr><td class="lineno" valign="top"></td><td class="left">   greater than zero, the proxy MUST decrement the field-value when it</td><td> </td><td class="right">   greater than zero, the proxy MUST decrement the field-value when it</td><td class="lineno" valign="top"></td></tr>
395      <tr><td class="lineno" valign="top"></td><td class="left">   forwards the request.  If no Max-Forwards field is present in the</td><td> </td><td class="right">   forwards the request.  If no Max-Forwards field is present in the</td><td class="lineno" valign="top"></td></tr>
396      <tr><td class="lineno" valign="top"></td><td class="left">   request, then the forwarded request MUST NOT include a Max-Forwards</td><td> </td><td class="right">   request, then the forwarded request MUST NOT include a Max-Forwards</td><td class="lineno" valign="top"></td></tr>
397      <tr><td class="lineno" valign="top"></td><td class="left">   field.</td><td> </td><td class="right">   field.</td><td class="lineno" valign="top"></td></tr>
398      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
399      <tr><td class="lineno" valign="top"></td><td class="left">8.3.  GET</td><td> </td><td class="right">8.3.  GET</td><td class="lineno" valign="top"></td></tr>
400      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
401      <tr bgcolor="gray" ><td></td><th><a name="part-l10" /><small>skipping to change at</small><em> page 17, line 32</em></th><th> </th><th><a name="part-r10" /><small>skipping to change at</small><em> page 17, line 32</em></th><td></td></tr>
402      <tr><td class="lineno" valign="top"></td><td class="left">   Request-URI does not point to an existing resource, and that URI is</td><td> </td><td class="right">   Request-URI does not point to an existing resource, and that URI is</td><td class="lineno" valign="top"></td></tr>
403      <tr><td class="lineno" valign="top"></td><td class="left">   capable of being defined as a new resource by the requesting user</td><td> </td><td class="right">   capable of being defined as a new resource by the requesting user</td><td class="lineno" valign="top"></td></tr>
404      <tr><td class="lineno" valign="top"></td><td class="left">   agent, the origin server can create the resource with that URI.  If a</td><td> </td><td class="right">   agent, the origin server can create the resource with that URI.  If a</td><td class="lineno" valign="top"></td></tr>
405      <tr><td class="lineno" valign="top"></td><td class="left">   new resource is created at the Request-URI, the origin server MUST</td><td> </td><td class="right">   new resource is created at the Request-URI, the origin server MUST</td><td class="lineno" valign="top"></td></tr>
406      <tr><td class="lineno" valign="top"></td><td class="left">   inform the user agent via the 201 (Created) response.  If an existing</td><td> </td><td class="right">   inform the user agent via the 201 (Created) response.  If an existing</td><td class="lineno" valign="top"></td></tr>
407      <tr><td class="lineno" valign="top"></td><td class="left">   resource is modified, either the 200 (OK) or 204 (No Content)</td><td> </td><td class="right">   resource is modified, either the 200 (OK) or 204 (No Content)</td><td class="lineno" valign="top"></td></tr>
408      <tr><td class="lineno" valign="top"></td><td class="left">   response codes SHOULD be sent to indicate successful completion of</td><td> </td><td class="right">   response codes SHOULD be sent to indicate successful completion of</td><td class="lineno" valign="top"></td></tr>
409      <tr><td class="lineno" valign="top"></td><td class="left">   the request.  If the resource could not be created or modified with</td><td> </td><td class="right">   the request.  If the resource could not be created or modified with</td><td class="lineno" valign="top"></td></tr>
410      <tr><td class="lineno" valign="top"></td><td class="left">   the Request-URI, an appropriate error response SHOULD be given that</td><td> </td><td class="right">   the Request-URI, an appropriate error response SHOULD be given that</td><td class="lineno" valign="top"></td></tr>
411      <tr><td class="lineno" valign="top"></td><td class="left">   reflects the nature of the problem.  The recipient of the entity MUST</td><td> </td><td class="right">   reflects the nature of the problem.  The recipient of the entity MUST</td><td class="lineno" valign="top"></td></tr>
412      <tr><td><a name="diff0019" /></td></tr>
413      <tr><td class="lineno" valign="top"></td><td class="lblock">   NOT ignore any Content-* <span class="delete">(e.g.  Content-Range) headers that it does</span></td><td> </td><td class="rblock">   NOT ignore any Content-* <span class="insert">headers (headers starting with the prefix</span></td><td class="lineno" valign="top"></td></tr>
414      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">not understand or implement and MUST return a 501 (Not Implemented)</span></td><td> </td><td class="rblock">   <span class="insert">'Content-') that it does not understand or implement and MUST return</span></td><td class="lineno" valign="top"></td></tr>
415      <tr><td class="lineno" valign="top"></td><td class="lblock">   response in such cases.</td><td> </td><td class="rblock">   <span class="insert">a 501 (Not Implemented) </span>response in such cases.</td><td class="lineno" valign="top"></td></tr>
416      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
417      <tr><td class="lineno" valign="top"></td><td class="left">   If the request passes through a cache and the Request-URI identifies</td><td> </td><td class="right">   If the request passes through a cache and the Request-URI identifies</td><td class="lineno" valign="top"></td></tr>
418      <tr><td class="lineno" valign="top"></td><td class="left">   one or more currently cached entities, those entries SHOULD be</td><td> </td><td class="right">   one or more currently cached entities, those entries SHOULD be</td><td class="lineno" valign="top"></td></tr>
419      <tr><td class="lineno" valign="top"></td><td class="left">   treated as stale.  Responses to this method are not cacheable.</td><td> </td><td class="right">   treated as stale.  Responses to this method are not cacheable.</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">   The fundamental difference between the POST and PUT requests is</td><td> </td><td class="right">   The fundamental difference between the POST and PUT requests is</td><td class="lineno" valign="top"></td></tr>
422      <tr><td class="lineno" valign="top"></td><td class="left">   reflected in the different meaning of the Request-URI.  The URI in a</td><td> </td><td class="right">   reflected in the different meaning of the Request-URI.  The URI in a</td><td class="lineno" valign="top"></td></tr>
423      <tr><td class="lineno" valign="top"></td><td class="left">   POST request identifies the resource that will handle the enclosed</td><td> </td><td class="right">   POST request identifies the resource that will handle the enclosed</td><td class="lineno" valign="top"></td></tr>
424      <tr><td class="lineno" valign="top"></td><td class="left">   entity.  That resource might be a data-accepting process, a gateway</td><td> </td><td class="right">   entity.  That resource might be a data-accepting process, a gateway</td><td class="lineno" valign="top"></td></tr>
425      <tr><td class="lineno" valign="top"></td><td class="left">   to some other protocol, or a separate entity that accepts</td><td> </td><td class="right">   to some other protocol, or a separate entity that accepts</td><td class="lineno" valign="top"></td></tr>
426      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
427      <tr bgcolor="gray" ><td></td><th><a name="part-l11" /><small>skipping to change at</small><em> page 31, line 26</em></th><th> </th><th><a name="part-r11" /><small>skipping to change at</small><em> page 31, line 26</em></th><td></td></tr>
428      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
429      <tr><td class="lineno" valign="top"></td><td class="left">   This section defines the syntax and semantics of HTTP/1.1 header</td><td> </td><td class="right">   This section defines the syntax and semantics of HTTP/1.1 header</td><td class="lineno" valign="top"></td></tr>
430      <tr><td class="lineno" valign="top"></td><td class="left">   fields related to request and response semantics.</td><td> </td><td class="right">   fields related to request and response semantics.</td><td class="lineno" valign="top"></td></tr>
431      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
432      <tr><td class="lineno" valign="top"></td><td class="left">   For entity-header fields, both sender and recipient refer to either</td><td> </td><td class="right">   For entity-header fields, both sender and recipient refer to either</td><td class="lineno" valign="top"></td></tr>
433      <tr><td class="lineno" valign="top"></td><td class="left">   the client or the server, depending on who sends and who receives the</td><td> </td><td class="right">   the client or the server, depending on who sends and who receives the</td><td class="lineno" valign="top"></td></tr>
434      <tr><td class="lineno" valign="top"></td><td class="left">   entity.</td><td> </td><td class="right">   entity.</td><td class="lineno" valign="top"></td></tr>
435      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
436      <tr><td class="lineno" valign="top"></td><td class="left">10.1.  Allow</td><td> </td><td class="right">10.1.  Allow</td><td class="lineno" valign="top"></td></tr>
437      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
438      <tr><td><a name="diff0020" /></td></tr>
439      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Allow response-header field</span> lists the set of methods advertised</td><td> </td><td class="rblock">   The <span class="insert">response-header field "Allow"</span> lists the set of methods advertised</td><td class="lineno" valign="top"></td></tr>
440      <tr><td class="lineno" valign="top"></td><td class="left">   as supported by the resource identified by the Request-URI.  The</td><td> </td><td class="right">   as supported by the resource identified by the Request-URI.  The</td><td class="lineno" valign="top"></td></tr>
441      <tr><td class="lineno" valign="top"></td><td class="left">   purpose of this field is strictly to inform the recipient of valid</td><td> </td><td class="right">   purpose of this field is strictly to inform the recipient of valid</td><td class="lineno" valign="top"></td></tr>
442      <tr><td class="lineno" valign="top"></td><td class="left">   methods associated with the resource.  An Allow header field MUST be</td><td> </td><td class="right">   methods associated with the resource.  An Allow header field MUST be</td><td class="lineno" valign="top"></td></tr>
443      <tr><td class="lineno" valign="top"></td><td class="left">   present in a 405 (Method Not Allowed) response.</td><td> </td><td class="right">   present in a 405 (Method Not Allowed) response.</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><a name="diff0021" /></td></tr>
446      <tr><td class="lineno" valign="top"></td><td class="lblock">     Allow   = "Allow" ":" <span class="delete">#Method</span></td><td> </td><td class="rblock">     Allow   = "Allow" ":" <span class="insert">OWS Allow-v</span></td><td class="lineno" valign="top"></td></tr>
447      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Allow-v = #Method</span></td><td class="lineno" valign="top"></td></tr>
448      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
449      <tr><td class="lineno" valign="top"></td><td class="left">   Example of use:</td><td> </td><td class="right">   Example of use:</td><td class="lineno" valign="top"></td></tr>
450      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
451      <tr><td class="lineno" valign="top"></td><td class="left">          Allow: GET, HEAD, PUT</td><td> </td><td class="right">          Allow: GET, HEAD, PUT</td><td class="lineno" valign="top"></td></tr>
452      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
453      <tr><td class="lineno" valign="top"></td><td class="left">   The actual set of allowed methods is defined by the origin server at</td><td> </td><td class="right">   The actual set of allowed methods is defined by the origin server at</td><td class="lineno" valign="top"></td></tr>
454      <tr><td class="lineno" valign="top"></td><td class="left">   the time of each request.</td><td> </td><td class="right">   the time of each request.</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">   A proxy MUST NOT modify the Allow header field even if it does not</td><td> </td><td class="right">   A proxy MUST NOT modify the Allow header field even if it does not</td><td class="lineno" valign="top"></td></tr>
457      <tr><td class="lineno" valign="top"></td><td class="left">   understand all the methods specified, since the user agent might have</td><td> </td><td class="right">   understand all the methods specified, since the user agent might have</td><td class="lineno" valign="top"></td></tr>
458      <tr><td class="lineno" valign="top"></td><td class="left">   other means of communicating with the origin server.</td><td> </td><td class="right">   other means of communicating with the origin server.</td><td class="lineno" valign="top"></td></tr>
459      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
460      <tr><td class="lineno" valign="top"></td><td class="left">10.2.  Expect</td><td> </td><td class="right">10.2.  Expect</td><td class="lineno" valign="top"></td></tr>
461      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
462      <tr><td><a name="diff0022" /></td></tr>
463      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Expect request-header field</span> is used to indicate that particular</td><td> </td><td class="rblock">   The <span class="insert">request-header field "Expect"</span> is used to indicate that particular</td><td class="lineno" valign="top"></td></tr>
464      <tr><td class="lineno" valign="top"></td><td class="left">   server behaviors are required by the client.</td><td> </td><td class="right">   server behaviors are required by the client.</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><a name="diff0023" /></td></tr>
467      <tr><td class="lineno" valign="top"></td><td class="lblock">     Expect       = <span class="delete"> "Expect" ":" 1#expectation</span></td><td> </td><td class="rblock">     Expect       = <span class="insert">"Expect" ":" OWS Expect-v</span></td><td class="lineno" valign="top"></td></tr>
468      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Expect-v     = 1#expectation</span></td><td class="lineno" valign="top"></td></tr>
469      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
470      <tr><td><a name="diff0024" /></td></tr>
471      <tr><td class="lineno" valign="top"></td><td class="lblock">     expectation  = <span class="delete"> "100-continue" |</span> expectation-extension</td><td> </td><td class="rblock">     expectation  = <span class="insert">"100-continue" /</span> expectation-extension</td><td class="lineno" valign="top"></td></tr>
472      <tr><td class="lineno" valign="top"></td><td class="lblock">     expectation-extension = <span class="delete"> token [ "=" ( token |</span> quoted-string )</td><td> </td><td class="rblock">     expectation-extension = <span class="insert">token [ "=" ( token /</span> quoted-string )</td><td class="lineno" valign="top"></td></tr>
473      <tr><td class="lineno" valign="top"></td><td class="left">                              *expect-params ]</td><td> </td><td class="right">                              *expect-params ]</td><td class="lineno" valign="top"></td></tr>
474      <tr><td><a name="diff0025" /></td></tr>
475      <tr><td class="lineno" valign="top"></td><td class="lblock">     expect-params = <span class="delete"> ";" token [ "=" ( token |</span> quoted-string ) ]</td><td> </td><td class="rblock">     expect-params = <span class="insert">";" token [ "=" ( token /</span> quoted-string ) ]</td><td class="lineno" valign="top"></td></tr>
476      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
477      <tr><td class="lineno" valign="top"></td><td class="left">   A server that does not understand or is unable to comply with any of</td><td> </td><td class="right">   A server that does not understand or is unable to comply with any of</td><td class="lineno" valign="top"></td></tr>
478      <tr><td class="lineno" valign="top"></td><td class="left">   the expectation values in the Expect field of a request MUST respond</td><td> </td><td class="right">   the expectation values in the Expect field of a request MUST respond</td><td class="lineno" valign="top"></td></tr>
479      <tr><td class="lineno" valign="top"></td><td class="left">   with appropriate error status.  The server MUST respond with a 417</td><td> </td><td class="right">   with appropriate error status.  The server MUST respond with a 417</td><td class="lineno" valign="top"></td></tr>
480      <tr><td class="lineno" valign="top"></td><td class="left">   (Expectation Failed) status if any of the expectations cannot be met</td><td> </td><td class="right">   (Expectation Failed) status if any of the expectations cannot be met</td><td class="lineno" valign="top"></td></tr>
481      <tr><td class="lineno" valign="top"></td><td class="left">   or, if there are other problems with the request, some other 4xx</td><td> </td><td class="right">   or, if there are other problems with the request, some other 4xx</td><td class="lineno" valign="top"></td></tr>
482      <tr><td class="lineno" valign="top"></td><td class="left">   status.</td><td> </td><td class="right">   status.</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">   This header field is defined with extensible syntax to allow for</td><td> </td><td class="right">   This header field is defined with extensible syntax to allow for</td><td class="lineno" valign="top"></td></tr>
485      <tr><td class="lineno" valign="top"></td><td class="left">   future extensions.  If a server receives a request containing an</td><td> </td><td class="right">   future extensions.  If a server receives a request containing an</td><td class="lineno" valign="top"></td></tr>
486      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
487      <tr bgcolor="gray" ><td></td><th><a name="part-l12" /><small>skipping to change at</small><em> page 32, line 42</em></th><th> </th><th><a name="part-r12" /><small>skipping to change at</small><em> page 32, line 43</em></th><td></td></tr>
488      <tr><td class="lineno" valign="top"></td><td class="left">   request is forwarded.</td><td> </td><td class="right">   request is forwarded.</td><td class="lineno" valign="top"></td></tr>
489      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
490      <tr><td class="lineno" valign="top"></td><td class="left">   Many older HTTP/1.0 and HTTP/1.1 applications do not understand the</td><td> </td><td class="right">   Many older HTTP/1.0 and HTTP/1.1 applications do not understand the</td><td class="lineno" valign="top"></td></tr>
491      <tr><td class="lineno" valign="top"></td><td class="left">   Expect header.</td><td> </td><td class="right">   Expect header.</td><td class="lineno" valign="top"></td></tr>
492      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
493      <tr><td class="lineno" valign="top"></td><td class="left">   See Section 7.2.3 of [Part1] for the use of the 100 (Continue)</td><td> </td><td class="right">   See Section 7.2.3 of [Part1] for the use of the 100 (Continue)</td><td class="lineno" valign="top"></td></tr>
494      <tr><td class="lineno" valign="top"></td><td class="left">   status.</td><td> </td><td class="right">   status.</td><td class="lineno" valign="top"></td></tr>
495      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
496      <tr><td class="lineno" valign="top"></td><td class="left">10.3.  From</td><td> </td><td class="right">10.3.  From</td><td class="lineno" valign="top"></td></tr>
497      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
498      <tr><td><a name="diff0026" /></td></tr>
499      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">From request-header field</span>, if given, SHOULD contain an Internet</td><td> </td><td class="rblock">   The <span class="insert">request-header field "From"</span>, if given, SHOULD contain an Internet</td><td class="lineno" valign="top"></td></tr>
500      <tr><td class="lineno" valign="top"></td><td class="left">   e-mail address for the human user who controls the requesting user</td><td> </td><td class="right">   e-mail address for the human user who controls the requesting user</td><td class="lineno" valign="top"></td></tr>
501      <tr><td class="lineno" valign="top"></td><td class="left">   agent.  The address SHOULD be machine-usable, as defined by "mailbox"</td><td> </td><td class="right">   agent.  The address SHOULD be machine-usable, as defined by "mailbox"</td><td class="lineno" valign="top"></td></tr>
502      <tr><td><a name="diff0027" /></td></tr>
503      <tr><td class="lineno" valign="top"></td><td class="lblock">   in Section 3.4 of [RFC<span class="delete">28</span>22]:</td><td> </td><td class="rblock">   in Section 3.4 of [RFC<span class="insert">53</span>22]:</td><td class="lineno" valign="top"></td></tr>
504      <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>
505      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">     From    = "From" ":" mailbox</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
506      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
507      <tr><td><a name="diff0028" /></td></tr>
508      <tr><td class="lineno" valign="top"></td><td class="lblock">     <span class="delete">mailbox = &lt;mailbox, defined in [RFC2822], Section 3.4&gt;</span></td><td> </td><td class="rblock">     <span class="insert">From    = "From" ":" OWS From-v</span></td><td class="lineno" valign="top"></td></tr>
509      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     From-v  = mailbox</span></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="diff0029" /></td></tr>
512      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     mailbox = &lt;mailbox, defined in [RFC5322], Section 3.4&gt;</span></td><td class="lineno" valign="top"></td></tr>
513      <tr><td class="lineno" valign="top"></td><td class="left">   An example is:</td><td> </td><td class="right">   An example is:</td><td class="lineno" valign="top"></td></tr>
514      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
515      <tr><td class="lineno" valign="top"></td><td class="left">       From: webmaster@example.org</td><td> </td><td class="right">       From: webmaster@example.org</td><td class="lineno" valign="top"></td></tr>
516      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
517      <tr><td class="lineno" valign="top"></td><td class="left">   This header field MAY be used for logging purposes and as a means for</td><td> </td><td class="right">   This header field MAY be used for logging purposes and as a means for</td><td class="lineno" valign="top"></td></tr>
518      <tr><td class="lineno" valign="top"></td><td class="left">   identifying the source of invalid or unwanted requests.  It SHOULD</td><td> </td><td class="right">   identifying the source of invalid or unwanted requests.  It SHOULD</td><td class="lineno" valign="top"></td></tr>
519      <tr><td class="lineno" valign="top"></td><td class="left">   NOT be used as an insecure form of access protection.  The</td><td> </td><td class="right">   NOT be used as an insecure form of access protection.  The</td><td class="lineno" valign="top"></td></tr>
520      <tr><td class="lineno" valign="top"></td><td class="left">   interpretation of this field is that the request is being performed</td><td> </td><td class="right">   interpretation of this field is that the request is being performed</td><td class="lineno" valign="top"></td></tr>
521      <tr><td class="lineno" valign="top"></td><td class="left">   on behalf of the person given, who accepts responsibility for the</td><td> </td><td class="right">   on behalf of the person given, who accepts responsibility for the</td><td class="lineno" valign="top"></td></tr>
522      <tr><td class="lineno" valign="top"></td><td class="left">   method performed.  In particular, robot agents SHOULD include this</td><td> </td><td class="right">   method performed.  In particular, robot agents SHOULD include this</td><td class="lineno" valign="top"></td></tr>
523      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
524      <tr bgcolor="gray" ><td></td><th><a name="part-l13" /><small>skipping to change at</small><em> page 33, line 29</em></th><th> </th><th><a name="part-r13" /><small>skipping to change at</small><em> page 33, line 30</em></th><td></td></tr>
525      <tr><td class="lineno" valign="top"></td><td class="left">   used.</td><td> </td><td class="right">   used.</td><td class="lineno" valign="top"></td></tr>
526      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
527      <tr><td class="lineno" valign="top"></td><td class="left">   The client SHOULD NOT send the From header field without the user's</td><td> </td><td class="right">   The client SHOULD NOT send the From header field without the user's</td><td class="lineno" valign="top"></td></tr>
528      <tr><td class="lineno" valign="top"></td><td class="left">   approval, as it might conflict with the user's privacy interests or</td><td> </td><td class="right">   approval, as it might conflict with the user's privacy interests or</td><td class="lineno" valign="top"></td></tr>
529      <tr><td class="lineno" valign="top"></td><td class="left">   their site's security policy.  It is strongly recommended that the</td><td> </td><td class="right">   their site's security policy.  It is strongly recommended that the</td><td class="lineno" valign="top"></td></tr>
530      <tr><td class="lineno" valign="top"></td><td class="left">   user be able to disable, enable, and modify the value of this field</td><td> </td><td class="right">   user be able to disable, enable, and modify the value of this field</td><td class="lineno" valign="top"></td></tr>
531      <tr><td class="lineno" valign="top"></td><td class="left">   at any time prior to a request.</td><td> </td><td class="right">   at any time prior to a request.</td><td class="lineno" valign="top"></td></tr>
532      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
533      <tr><td class="lineno" valign="top"></td><td class="left">10.4.  Location</td><td> </td><td class="right">10.4.  Location</td><td class="lineno" valign="top"></td></tr>
534      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
535      <tr><td><a name="diff0030" /></td></tr>
536      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Location response-header field is used for the identification of</span></td><td> </td><td class="rblock">   The <span class="insert">response-header field "Location" is used for the identification</span></td><td class="lineno" valign="top"></td></tr>
537      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">a new resource or to redirect the recipient to a location other than</span></td><td> </td><td class="rblock">   <span class="insert">of a new resource or to redirect the recipient to a location other</span></td><td class="lineno" valign="top"></td></tr>
538      <tr><td class="lineno" valign="top"></td><td class="lblock">   th<span class="delete">e Request-URI for completion of the request.  For 201 (Created)</span></td><td> </td><td class="rblock">   th<span class="insert">an the Request-URI for completion of the request.  For 201</span></td><td class="lineno" valign="top"></td></tr>
539      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">responses, the Location is that of the new resource which was created</span></td><td> </td><td class="rblock">   <span class="insert">(Created) responses, the Location is that of the new resource which</span></td><td class="lineno" valign="top"></td></tr>
540      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">by the request.  For 3xx responses, the location SHOULD indicate the</span></td><td> </td><td class="rblock">   <span class="insert">was created by the request.  For 3xx responses, the location SHOULD</span></td><td class="lineno" valign="top"></td></tr>
541      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">server's preferred URI for automatic redirection to the resource.</span></td><td> </td><td class="rblock">   <span class="insert">indicate the server's preferred URI for automatic redirection to the</span></td><td class="lineno" valign="top"></td></tr>
542      <tr><td class="lineno" valign="top"></td><td class="lblock">   The field value consists of a single absolute URI.</td><td> </td><td class="rblock">   <span class="insert">resource.  </span>The field value consists of a single absolute URI.</td><td class="lineno" valign="top"></td></tr>
543      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
544      <tr><td><a name="diff0031" /></td></tr>
545      <tr><td class="lineno" valign="top"></td><td class="lblock">     Location       = "Location" ":" <span class="delete">absoluteURI [ "#" fragment ]</span></td><td> </td><td class="rblock">     Location       = "Location" ":" <span class="insert">OWS Location-v</span></td><td class="lineno" valign="top"></td></tr>
546      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Location-v     = absolute-URI [ "#" fragment ]</span></td><td class="lineno" valign="top"></td></tr>
547      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
548      <tr><td class="lineno" valign="top"></td><td class="left">   An example is:</td><td> </td><td class="right">   An example is:</td><td class="lineno" valign="top"></td></tr>
549      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
550      <tr><td class="lineno" valign="top"></td><td class="left">       Location: http://www.example.org/pub/WWW/People.html</td><td> </td><td class="right">       Location: http://www.example.org/pub/WWW/People.html</td><td class="lineno" valign="top"></td></tr>
551      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
552      <tr><td class="lineno" valign="top"></td><td class="left">      Note: The Content-Location header field (Section 6.7 of [Part3])</td><td> </td><td class="right">      Note: The Content-Location header field (Section 6.7 of [Part3])</td><td class="lineno" valign="top"></td></tr>
553      <tr><td class="lineno" valign="top"></td><td class="left">      differs from Location in that the Content-Location identifies the</td><td> </td><td class="right">      differs from Location in that the Content-Location identifies the</td><td class="lineno" valign="top"></td></tr>
554      <tr><td class="lineno" valign="top"></td><td class="left">      original location of the entity enclosed in the response.  It is</td><td> </td><td class="right">      original location of the entity enclosed in the response.  It is</td><td class="lineno" valign="top"></td></tr>
555      <tr><td class="lineno" valign="top"></td><td class="left">      therefore possible for a response to contain header fields for</td><td> </td><td class="right">      therefore possible for a response to contain header fields for</td><td class="lineno" valign="top"></td></tr>
556      <tr><td class="lineno" valign="top"></td><td class="left">      both Location and Content-Location.</td><td> </td><td class="right">      both Location and Content-Location.</td><td class="lineno" valign="top"></td></tr>
557      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
558      <tr bgcolor="gray" ><td></td><th><a name="part-l14" /><small>skipping to change at</small><em> page 34, line 16</em></th><th> </th><th><a name="part-r14" /><small>skipping to change at</small><em> page 34, line 17</em></th><td></td></tr>
559      <tr><td class="lineno" valign="top"></td><td class="left">      header specifies the URL for the entire created resource.</td><td> </td><td class="right">      header specifies the URL for the entire created resource.</td><td class="lineno" valign="top"></td></tr>
560      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
561      <tr><td class="lineno" valign="top"></td><td class="left">   o  With a 300 Multiple Choices, since the choice decision is intended</td><td> </td><td class="right">   o  With a 300 Multiple Choices, since the choice decision is intended</td><td class="lineno" valign="top"></td></tr>
562      <tr><td class="lineno" valign="top"></td><td class="left">      to be made on resource characteristics and not fragment</td><td> </td><td class="right">      to be made on resource characteristics and not fragment</td><td class="lineno" valign="top"></td></tr>
563      <tr><td class="lineno" valign="top"></td><td class="left">      characteristics.</td><td> </td><td class="right">      characteristics.</td><td class="lineno" valign="top"></td></tr>
564      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
565      <tr><td class="lineno" valign="top"></td><td class="left">   o  With 305 Use Proxy.</td><td> </td><td class="right">   o  With 305 Use Proxy.</td><td class="lineno" valign="top"></td></tr>
566      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
567      <tr><td class="lineno" valign="top"></td><td class="left">10.5.  Max-Forwards</td><td> </td><td class="right">10.5.  Max-Forwards</td><td class="lineno" valign="top"></td></tr>
568      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
569      <tr><td><a name="diff0032" /></td></tr>
570      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Max-Forwards request-header</span> field provides a mechanism with the</td><td> </td><td class="rblock">   The <span class="insert">request-header "Max-Forwards"</span> field provides a mechanism with the</td><td class="lineno" valign="top"></td></tr>
571      <tr><td class="lineno" valign="top"></td><td class="left">   TRACE (Section 8.8) and OPTIONS (Section 8.2) methods to limit the</td><td> </td><td class="right">   TRACE (Section 8.8) and OPTIONS (Section 8.2) methods to limit the</td><td class="lineno" valign="top"></td></tr>
572      <tr><td class="lineno" valign="top"></td><td class="left">   number of proxies or gateways that can forward the request to the</td><td> </td><td class="right">   number of proxies or gateways that can forward the request to the</td><td class="lineno" valign="top"></td></tr>
573      <tr><td class="lineno" valign="top"></td><td class="left">   next inbound server.  This can be useful when the client is</td><td> </td><td class="right">   next inbound server.  This can be useful when the client is</td><td class="lineno" valign="top"></td></tr>
574      <tr><td class="lineno" valign="top"></td><td class="left">   attempting to trace a request chain which appears to be failing or</td><td> </td><td class="right">   attempting to trace a request chain which appears to be failing or</td><td class="lineno" valign="top"></td></tr>
575      <tr><td class="lineno" valign="top"></td><td class="left">   looping in mid-chain.</td><td> </td><td class="right">   looping in mid-chain.</td><td class="lineno" valign="top"></td></tr>
576      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
577      <tr><td><a name="diff0033" /></td></tr>
578      <tr><td class="lineno" valign="top"></td><td class="lblock">     Max-Forwards   = "Max-Forwards" ":" <span class="delete">1*DIGIT</span></td><td> </td><td class="rblock">     Max-Forwards   = "Max-Forwards" ":" <span class="insert">OWS Max-Forwards-v</span></td><td class="lineno" valign="top"></td></tr>
579      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Max-Forwards-v = 1*DIGIT</span></td><td class="lineno" valign="top"></td></tr>
580      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
581      <tr><td class="lineno" valign="top"></td><td class="left">   The Max-Forwards value is a decimal integer indicating the remaining</td><td> </td><td class="right">   The Max-Forwards value is a decimal integer indicating the remaining</td><td class="lineno" valign="top"></td></tr>
582      <tr><td class="lineno" valign="top"></td><td class="left">   number of times this request message may be forwarded.</td><td> </td><td class="right">   number of times this request message may be forwarded.</td><td class="lineno" valign="top"></td></tr>
583      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
584      <tr><td class="lineno" valign="top"></td><td class="left">   Each proxy or gateway recipient of a TRACE or OPTIONS request</td><td> </td><td class="right">   Each proxy or gateway recipient of a TRACE or OPTIONS request</td><td class="lineno" valign="top"></td></tr>
585      <tr><td class="lineno" valign="top"></td><td class="left">   containing a Max-Forwards header field MUST check and update its</td><td> </td><td class="right">   containing a Max-Forwards header field MUST check and update its</td><td class="lineno" valign="top"></td></tr>
586      <tr><td class="lineno" valign="top"></td><td class="left">   value prior to forwarding the request.  If the received value is zero</td><td> </td><td class="right">   value prior to forwarding the request.  If the received value is zero</td><td class="lineno" valign="top"></td></tr>
587      <tr><td class="lineno" valign="top"></td><td class="left">   (0), the recipient MUST NOT forward the request; instead, it MUST</td><td> </td><td class="right">   (0), the recipient MUST NOT forward the request; instead, it MUST</td><td class="lineno" valign="top"></td></tr>
588      <tr><td class="lineno" valign="top"></td><td class="left">   respond as the final recipient.  If the received Max-Forwards value</td><td> </td><td class="right">   respond as the final recipient.  If the received Max-Forwards value</td><td class="lineno" valign="top"></td></tr>
589      <tr><td class="lineno" valign="top"></td><td class="left">   is greater than zero, then the forwarded message MUST contain an</td><td> </td><td class="right">   is greater than zero, then the forwarded message MUST contain an</td><td class="lineno" valign="top"></td></tr>
590      <tr><td class="lineno" valign="top"></td><td class="left">   updated Max-Forwards field with a value decremented by one (1).</td><td> </td><td class="right">   updated Max-Forwards field with a value decremented by one (1).</td><td class="lineno" valign="top"></td></tr>
591      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
592      <tr><td class="lineno" valign="top"></td><td class="left">   The Max-Forwards header field MAY be ignored for all other methods</td><td> </td><td class="right">   The Max-Forwards header field MAY be ignored for all other methods</td><td class="lineno" valign="top"></td></tr>
593      <tr><td class="lineno" valign="top"></td><td class="left">   defined by this specification and for any extension methods for which</td><td> </td><td class="right">   defined by this specification and for any extension methods for which</td><td class="lineno" valign="top"></td></tr>
594      <tr><td class="lineno" valign="top"></td><td class="left">   it is not explicitly referred to as part of that method definition.</td><td> </td><td class="right">   it is not explicitly referred to as part of that method definition.</td><td class="lineno" valign="top"></td></tr>
595      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
596      <tr><td class="lineno" valign="top"></td><td class="left">10.6.  Referer</td><td> </td><td class="right">10.6.  Referer</td><td class="lineno" valign="top"></td></tr>
597      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
598      <tr><td><a name="diff0034" /></td></tr>
599      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Referer[sic] request-header field allows the client to specify,</span></td><td> </td><td class="rblock">   The <span class="insert">request-header field "Referer" [sic] allows the client to</span></td><td class="lineno" valign="top"></td></tr>
600      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">for the server's benefit, the address (URI) of the resource from</span></td><td> </td><td class="rblock">   <span class="insert">specify, for the server's benefit, the address (URI) of the resource</span></td><td class="lineno" valign="top"></td></tr>
601      <tr><td class="lineno" valign="top"></td><td class="lblock">   which the Request-URI was obtained (the "referrer", although the</td><td> </td><td class="rblock">   <span class="insert">from </span>which the Request-URI was obtained (the "referrer", although the</td><td class="lineno" valign="top"></td></tr>
602      <tr><td class="lineno" valign="top"></td><td class="left">   header field is misspelled.)  The Referer request-header allows a</td><td> </td><td class="right">   header field is misspelled.)  The Referer request-header allows a</td><td class="lineno" valign="top"></td></tr>
603      <tr><td class="lineno" valign="top"></td><td class="left">   server to generate lists of back-links to resources for interest,</td><td> </td><td class="right">   server to generate lists of back-links to resources for interest,</td><td class="lineno" valign="top"></td></tr>
604      <tr><td class="lineno" valign="top"></td><td class="left">   logging, optimized caching, etc.  It also allows obsolete or mistyped</td><td> </td><td class="right">   logging, optimized caching, etc.  It also allows obsolete or mistyped</td><td class="lineno" valign="top"></td></tr>
605      <tr><td class="lineno" valign="top"></td><td class="left">   links to be traced for maintenance.  The Referer field MUST NOT be</td><td> </td><td class="right">   links to be traced for maintenance.  The Referer field MUST NOT be</td><td class="lineno" valign="top"></td></tr>
606      <tr><td class="lineno" valign="top"></td><td class="left">   sent if the Request-URI was obtained from a source that does not have</td><td> </td><td class="right">   sent if the Request-URI was obtained from a source that does not have</td><td class="lineno" valign="top"></td></tr>
607      <tr><td class="lineno" valign="top"></td><td class="left">   its own URI, such as input from the user keyboard.</td><td> </td><td class="right">   its own URI, such as input from the user keyboard.</td><td class="lineno" valign="top"></td></tr>
608      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
609      <tr><td><a name="diff0035" /></td></tr>
610      <tr><td class="lineno" valign="top"></td><td class="lblock">     Referer        = "Referer" ":" <span class="delete">( absoluteURI | relativeURI )</span></td><td> </td><td class="rblock">     Referer        = "Referer" ":" <span class="insert">OWS Referer-v</span></td><td class="lineno" valign="top"></td></tr>
611      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Referer-v      = absolute-URI / relativeURI</span></td><td class="lineno" valign="top"></td></tr>
612      <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>
613      <tr><td class="lineno" valign="top"></td><td class="left">   Example:</td><td> </td><td class="right">   Example:</td><td class="lineno" valign="top"></td></tr>
614      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
615      <tr><td class="lineno" valign="top"></td><td class="left">       Referer: http://www.example.org/hypertext/Overview.html</td><td> </td><td class="right">       Referer: http://www.example.org/hypertext/Overview.html</td><td class="lineno" valign="top"></td></tr>
616      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
617      <tr><td class="lineno" valign="top"></td><td class="left">   If the field value is a relative URI, it SHOULD be interpreted</td><td> </td><td class="right">   If the field value is a relative URI, it SHOULD be interpreted</td><td class="lineno" valign="top"></td></tr>
618      <tr><td class="lineno" valign="top"></td><td class="left">   relative to the Request-URI.  The URI MUST NOT include a fragment.</td><td> </td><td class="right">   relative to the Request-URI.  The URI MUST NOT include a fragment.</td><td class="lineno" valign="top"></td></tr>
619      <tr><td class="lineno" valign="top"></td><td class="left">   See Section 12.2 for security considerations.</td><td> </td><td class="right">   See Section 12.2 for security considerations.</td><td class="lineno" valign="top"></td></tr>
620      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
621      <tr><td class="lineno" valign="top"></td><td class="left">10.7.  Retry-After</td><td> </td><td class="right">10.7.  Retry-After</td><td class="lineno" valign="top"></td></tr>
622      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
623      <tr><td><a name="diff0036" /></td></tr>
624      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Retry-After response-header field can be used with a 503 (Service</span></td><td> </td><td class="rblock">   The <span class="insert">response-header "Retry-After" field can be used with a 503</span></td><td class="lineno" valign="top"></td></tr>
625      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Unavailable) response to indicate how long the service is expected to</span></td><td> </td><td class="rblock">   <span class="insert">(Service Unavailable) response to indicate how long the service is</span></td><td class="lineno" valign="top"></td></tr>
626      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">be unavailable to the requesting client.  This field MAY also be used</span></td><td> </td><td class="rblock">   <span class="insert">expected to be unavailable to the requesting client.  This field MAY</span></td><td class="lineno" valign="top"></td></tr>
627      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">with any 3xx (Redirection) response to indicate the minimum tim</span>e the</td><td> </td><td class="rblock">   <span class="insert">also be used with any 3xx (Redirection) response to indicat</span>e the</td><td class="lineno" valign="top"></td></tr>
628      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">user-agent is asked wait before issuing the redirected request.  T</span>he</td><td> </td><td class="rblock">   <span class="insert">minimum time the user-agent is asked wait before issuing t</span>he</td><td class="lineno" valign="top"></td></tr>
629      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">value of this field can be either an HTTP-date or an integer number</span></td><td> </td><td class="rblock">   <span class="insert">redirected request.  The value of this field can be either an HTTP-</span></td><td class="lineno" valign="top"></td></tr>
630      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">of seconds (in decimal) after the time of the response.</span></td><td> </td><td class="rblock">   <span class="insert">date or an integer number of seconds (in decimal) after the time of</span></td><td class="lineno" valign="top"></td></tr>
631      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   the response.</span></td><td class="lineno" valign="top"></td></tr>
632      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
633      <tr><td><a name="diff0037" /></td></tr>
634      <tr><td class="lineno" valign="top"></td><td class="lblock">     Retry-After   = "Retry-After" ":" <span class="delete">( HTTP-date | delta-seconds )</span></td><td> </td><td class="rblock">     Retry-After   = "Retry-After" ":" <span class="insert">OWS Retry-After-v</span></td><td class="lineno" valign="top"></td></tr>
635      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Retry-After-v = HTTP-date / delta-seconds</span></td><td class="lineno" valign="top"></td></tr>
636      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
637      <tr><td class="lineno" valign="top"></td><td class="left">   Time spans are non-negative decimal integers, representing time in</td><td> </td><td class="right">   Time spans are non-negative decimal integers, representing time in</td><td class="lineno" valign="top"></td></tr>
638      <tr><td class="lineno" valign="top"></td><td class="left">   seconds.</td><td> </td><td class="right">   seconds.</td><td class="lineno" valign="top"></td></tr>
639      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
640      <tr><td class="lineno" valign="top"></td><td class="left">     delta-seconds  = 1*DIGIT</td><td> </td><td class="right">     delta-seconds  = 1*DIGIT</td><td class="lineno" valign="top"></td></tr>
641      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
642      <tr><td class="lineno" valign="top"></td><td class="left">   Two examples of its use are</td><td> </td><td class="right">   Two examples of its use are</td><td class="lineno" valign="top"></td></tr>
643      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
644      <tr><td class="lineno" valign="top"></td><td class="left">       Retry-After: Fri, 31 Dec 1999 23:59:59 GMT</td><td> </td><td class="right">       Retry-After: Fri, 31 Dec 1999 23:59:59 GMT</td><td class="lineno" valign="top"></td></tr>
645      <tr><td class="lineno" valign="top"></td><td class="left">       Retry-After: 120</td><td> </td><td class="right">       Retry-After: 120</td><td class="lineno" valign="top"></td></tr>
646      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
647      <tr><td class="lineno" valign="top"></td><td class="left">   In the latter example, the delay is 2 minutes.</td><td> </td><td class="right">   In the latter example, the delay is 2 minutes.</td><td class="lineno" valign="top"></td></tr>
648      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
649      <tr><td class="lineno" valign="top"></td><td class="left">10.8.  Server</td><td> </td><td class="right">10.8.  Server</td><td class="lineno" valign="top"></td></tr>
650      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
651      <tr><td><a name="diff0038" /></td></tr>
652      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">Server response-header field</span> contains information about the</td><td> </td><td class="rblock">   The <span class="insert">response-header field "Server"</span> contains information about the</td><td class="lineno" valign="top"></td></tr>
653      <tr><td class="lineno" valign="top"></td><td class="left">   software used by the origin server to handle the request.  The field</td><td> </td><td class="right">   software used by the origin server to handle the request.  The field</td><td class="lineno" valign="top"></td></tr>
654      <tr><td class="lineno" valign="top"></td><td class="left">   can contain multiple product tokens (Section 3.5 of [Part1]) and</td><td> </td><td class="right">   can contain multiple product tokens (Section 3.5 of [Part1]) and</td><td class="lineno" valign="top"></td></tr>
655      <tr><td class="lineno" valign="top"></td><td class="left">   comments identifying the server and any significant subproducts.  The</td><td> </td><td class="right">   comments identifying the server and any significant subproducts.  The</td><td class="lineno" valign="top"></td></tr>
656      <tr><td class="lineno" valign="top"></td><td class="left">   product tokens are listed in order of their significance for</td><td> </td><td class="right">   product tokens are listed in order of their significance for</td><td class="lineno" valign="top"></td></tr>
657      <tr><td class="lineno" valign="top"></td><td class="left">   identifying the application.</td><td> </td><td class="right">   identifying the application.</td><td class="lineno" valign="top"></td></tr>
658      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
659      <tr><td><a name="diff0039" /></td></tr>
660      <tr><td class="lineno" valign="top"></td><td class="lblock">     Server         = "Server" ":" <span class="delete">1*( product | comment )</span></td><td> </td><td class="rblock">     Server         = "Server" ":" <span class="insert">OWS Server-v</span></td><td class="lineno" valign="top"></td></tr>
661      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     Server-v       = product</span></td><td class="lineno" valign="top"></td></tr>
662      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">                      *( RWS ( product / comment ) )</span></td><td class="lineno" valign="top"></td></tr>
663      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
664      <tr><td class="lineno" valign="top"></td><td class="left">   Example:</td><td> </td><td class="right">   Example:</td><td class="lineno" valign="top"></td></tr>
665      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
666      <tr><td class="lineno" valign="top"></td><td class="left">       Server: CERN/3.0 libwww/2.17</td><td> </td><td class="right">       Server: CERN/3.0 libwww/2.17</td><td class="lineno" valign="top"></td></tr>
667      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
668      <tr><td class="lineno" valign="top"></td><td class="left">   If the response is being forwarded through a proxy, the proxy</td><td> </td><td class="right">   If the response is being forwarded through a proxy, the proxy</td><td class="lineno" valign="top"></td></tr>
669      <tr><td class="lineno" valign="top"></td><td class="left">   application MUST NOT modify the Server response-header.  Instead, it</td><td> </td><td class="right">   application MUST NOT modify the Server response-header.  Instead, it</td><td class="lineno" valign="top"></td></tr>
670      <tr><td class="lineno" valign="top"></td><td class="left">   MUST include a Via field (as described in Section 8.9 of [Part1]).</td><td> </td><td class="right">   MUST include a Via field (as described in Section 8.9 of [Part1]).</td><td class="lineno" valign="top"></td></tr>
671      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
672      <tr><td class="lineno" valign="top"></td><td class="left">      Note: Revealing the specific software version of the server might</td><td> </td><td class="right">      Note: Revealing the specific software version of the server might</td><td class="lineno" valign="top"></td></tr>
673      <tr><td class="lineno" valign="top"></td><td class="left">      allow the server machine to become more vulnerable to attacks</td><td> </td><td class="right">      allow the server machine to become more vulnerable to attacks</td><td class="lineno" valign="top"></td></tr>
674      <tr><td class="lineno" valign="top"></td><td class="left">      against software that is known to contain security holes.  Server</td><td> </td><td class="right">      against software that is known to contain security holes.  Server</td><td class="lineno" valign="top"></td></tr>
675      <tr><td class="lineno" valign="top"></td><td class="left">      implementors are encouraged to make this field a configurable</td><td> </td><td class="right">      implementors are encouraged to make this field a configurable</td><td class="lineno" valign="top"></td></tr>
676      <tr><td class="lineno" valign="top"></td><td class="left">      option.</td><td> </td><td class="right">      option.</td><td class="lineno" valign="top"></td></tr>
677      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
678      <tr><td class="lineno" valign="top"></td><td class="left">10.9.  User-Agent</td><td> </td><td class="right">10.9.  User-Agent</td><td class="lineno" valign="top"></td></tr>
679      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
680      <tr><td><a name="diff0040" /></td></tr>
681      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">User-Agent request-header field</span> contains information about the</td><td> </td><td class="rblock">   The <span class="insert">request-header field "User-Agent"</span> contains information about the</td><td class="lineno" valign="top"></td></tr>
682      <tr><td class="lineno" valign="top"></td><td class="left">   user agent originating the request.  This is for statistical</td><td> </td><td class="right">   user agent originating the request.  This is for statistical</td><td class="lineno" valign="top"></td></tr>
683      <tr><td class="lineno" valign="top"></td><td class="left">   purposes, the tracing of protocol violations, and automated</td><td> </td><td class="right">   purposes, the tracing of protocol violations, and automated</td><td class="lineno" valign="top"></td></tr>
684      <tr><td class="lineno" valign="top"></td><td class="left">   recognition of user agents for the sake of tailoring responses to</td><td> </td><td class="right">   recognition of user agents for the sake of tailoring responses to</td><td class="lineno" valign="top"></td></tr>
685      <tr><td class="lineno" valign="top"></td><td class="left">   avoid particular user agent limitations.  User agents SHOULD include</td><td> </td><td class="right">   avoid particular user agent limitations.  User agents SHOULD include</td><td class="lineno" valign="top"></td></tr>
686      <tr><td class="lineno" valign="top"></td><td class="left">   this field with requests.  The field can contain multiple product</td><td> </td><td class="right">   this field with requests.  The field can contain multiple product</td><td class="lineno" valign="top"></td></tr>
687      <tr><td class="lineno" valign="top"></td><td class="left">   tokens (Section 3.5 of [Part1]) and comments identifying the agent</td><td> </td><td class="right">   tokens (Section 3.5 of [Part1]) and comments identifying the agent</td><td class="lineno" valign="top"></td></tr>
688      <tr><td class="lineno" valign="top"></td><td class="left">   and any subproducts which form a significant part of the user agent.</td><td> </td><td class="right">   and any subproducts which form a significant part of the user agent.</td><td class="lineno" valign="top"></td></tr>
689      <tr><td class="lineno" valign="top"></td><td class="left">   By convention, the product tokens are listed in order of their</td><td> </td><td class="right">   By convention, the product tokens are listed in order of their</td><td class="lineno" valign="top"></td></tr>
690      <tr><td class="lineno" valign="top"></td><td class="left">   significance for identifying the application.</td><td> </td><td class="right">   significance for identifying the application.</td><td class="lineno" valign="top"></td></tr>
691      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
692      <tr><td><a name="diff0041" /></td></tr>
693      <tr><td class="lineno" valign="top"></td><td class="lblock">     User-Agent     = "User-Agent" ":" <span class="delete">1*( product | comment )</span></td><td> </td><td class="rblock">     User-Agent     = "User-Agent" ":" <span class="insert">OWS User-Agent-v</span></td><td class="lineno" valign="top"></td></tr>
694      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     User-Agent-v   = product</span></td><td class="lineno" valign="top"></td></tr>
695      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">                      *( RWS ( product / comment ) )</span></td><td class="lineno" valign="top"></td></tr>
696      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
697      <tr><td class="lineno" valign="top"></td><td class="left">   Example:</td><td> </td><td class="right">   Example:</td><td class="lineno" valign="top"></td></tr>
698      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
699      <tr><td class="lineno" valign="top"></td><td class="left">       User-Agent: CERN-LineMode/2.15 libwww/2.17b3</td><td> </td><td class="right">       User-Agent: CERN-LineMode/2.15 libwww/2.17b3</td><td class="lineno" valign="top"></td></tr>
700      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
701      <tr><td class="lineno" valign="top"></td><td class="left">11.  IANA Considerations</td><td> </td><td class="right">11.  IANA Considerations</td><td class="lineno" valign="top"></td></tr>
702      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
703      <tr><td class="lineno" valign="top"></td><td class="left">11.1.  Method Registry</td><td> </td><td class="right">11.1.  Method Registry</td><td class="lineno" valign="top"></td></tr>
704      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
705      <tr><td class="lineno" valign="top"></td><td class="left">   The registration procedure for HTTP Methods is defined by Section 3.1</td><td> </td><td class="right">   The registration procedure for HTTP Methods is defined by Section 3.1</td><td class="lineno" valign="top"></td></tr>
706      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
707      <tr bgcolor="gray" ><td></td><th><a name="part-l15" /><small>skipping to change at</small><em> page 41, line 22</em></th><th> </th><th><a name="part-r15" /><small>skipping to change at</small><em> page 41, line 22</em></th><td></td></tr>
708      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
709      <tr><td class="lineno" valign="top"></td><td class="left">13.  Acknowledgments</td><td> </td><td class="right">13.  Acknowledgments</td><td class="lineno" valign="top"></td></tr>
710      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
711      <tr><td class="lineno" valign="top"></td><td class="left">14.  References</td><td> </td><td class="right">14.  References</td><td class="lineno" valign="top"></td></tr>
712      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
713      <tr><td class="lineno" valign="top"></td><td class="left">14.1.  Normative References</td><td> </td><td class="right">14.1.  Normative References</td><td class="lineno" valign="top"></td></tr>
714      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
715      <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>
716      <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>
717      <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>
718      <tr><td><a name="diff0042" /></td></tr>
719      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Message Parsing", draft-ietf-httpbis-p1-messaging-0<span class="delete">4</span></td><td> </td><td class="rblock">              and Message Parsing", draft-ietf-httpbis-p1-messaging-0<span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
720      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">August</span> 2008.</td><td> </td><td class="rblock">              (work in progress), <span class="insert">November</span> 2008.</td><td class="lineno" valign="top"></td></tr>
721      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
722      <tr><td class="lineno" valign="top"></td><td class="left">   [Part3]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part3]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
723      <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>
724      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 3: Message Payload</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 3: Message Payload</td><td class="lineno" valign="top"></td></tr>
725      <tr><td><a name="diff0043" /></td></tr>
726      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Content Negotiation", draft-ietf-httpbis-p3-payload-0<span class="delete">4</span></td><td> </td><td class="rblock">              and Content Negotiation", draft-ietf-httpbis-p3-payload-0<span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
727      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">August</span> 2008.</td><td> </td><td class="rblock">              (work in progress), <span class="insert">November</span> 2008.</td><td class="lineno" valign="top"></td></tr>
728      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class=