source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p2-semantics-09-from-8.diff.html @ 841

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36<body > 
37  <table border="0" cellpadding="0" cellspacing="0"> 
38  <tr bgcolor="orange"><th></th><th>&nbsp;draft-ietf-httpbis-p2-semantics-08.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p2-semantics-09.txt&nbsp;</th><th></th></tr> 
39      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
40      <tr><td class="lineno" valign="top"></td><td class="left">HTTPbis Working Group                                   R. Fielding, Ed.</td><td> </td><td class="right">HTTPbis Working Group                                   R. Fielding, Ed.</td><td class="lineno" valign="top"></td></tr>
41      <tr><td class="lineno" valign="top"></td><td class="left">Internet-Draft                                              Day Software</td><td> </td><td class="right">Internet-Draft                                              Day Software</td><td class="lineno" valign="top"></td></tr>
42      <tr><td class="lineno" valign="top"></td><td class="left">Obsoletes: 2616 (if approved)                                  J. Gettys</td><td> </td><td class="right">Obsoletes: 2616 (if approved)                                  J. Gettys</td><td class="lineno" valign="top"></td></tr>
43      <tr><td 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>
44      <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>
45      <tr><td><a name="diff0001" /></td></tr>
46      <tr><td class="lineno" valign="top"></td><td class="lblock">Expires: <span class="delete">April 29, 2010   </span>                                            HP</td><td> </td><td class="rblock">Expires: <span class="insert">September 9, 2010</span>                                            HP</td><td class="lineno" valign="top"></td></tr>
47      <tr><td class="lineno" valign="top"></td><td class="left">                                                              H. Frystyk</td><td> </td><td class="right">                                                              H. Frystyk</td><td class="lineno" valign="top"></td></tr>
48      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
49      <tr><td class="lineno" valign="top"></td><td class="left">                                                             L. Masinter</td><td> </td><td class="right">                                                             L. Masinter</td><td class="lineno" valign="top"></td></tr>
50      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Adobe Systems</td><td> </td><td class="right">                                                           Adobe Systems</td><td class="lineno" valign="top"></td></tr>
51      <tr><td class="lineno" valign="top"></td><td class="left">                                                                P. Leach</td><td> </td><td class="right">                                                                P. Leach</td><td class="lineno" valign="top"></td></tr>
52      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
53      <tr><td class="lineno" valign="top"></td><td class="left">                                                          T. Berners-Lee</td><td> </td><td class="right">                                                          T. Berners-Lee</td><td class="lineno" valign="top"></td></tr>
54      <tr><td class="lineno" valign="top"></td><td class="left">                                                                 W3C/MIT</td><td> </td><td class="right">                                                                 W3C/MIT</td><td class="lineno" valign="top"></td></tr>
55      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Y. Lafon, Ed.</td><td> </td><td class="right">                                                           Y. Lafon, Ed.</td><td class="lineno" valign="top"></td></tr>
56      <tr><td class="lineno" valign="top"></td><td class="left">                                                                     W3C</td><td> </td><td class="right">                                                                     W3C</td><td class="lineno" valign="top"></td></tr>
57      <tr><td class="lineno" valign="top"></td><td class="left">                                                         J. Reschke, Ed.</td><td> </td><td class="right">                                                         J. Reschke, Ed.</td><td class="lineno" valign="top"></td></tr>
58      <tr><td class="lineno" valign="top"></td><td class="left">                                                              greenbytes</td><td> </td><td class="right">                                                              greenbytes</td><td class="lineno" valign="top"></td></tr>
59      <tr><td><a name="diff0002" /></td></tr>
60      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                        <span class="delete">October 26, 2009</span></td><td> </td><td class="rblock">                                                        <span class="insert">   March 8, 2010</span></td><td class="lineno" valign="top"></td></tr>
61      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
62      <tr><td class="lineno" valign="top"></td><td class="left">                  HTTP/1.1, part 2: Message Semantics</td><td> </td><td class="right">                  HTTP/1.1, part 2: Message Semantics</td><td class="lineno" valign="top"></td></tr>
63      <tr><td><a name="diff0003" /></td></tr>
64      <tr><td class="lineno" valign="top"></td><td class="lblock">                   draft-ietf-httpbis-p2-semantics-0<span class="delete">8</span></td><td> </td><td class="rblock">                   draft-ietf-httpbis-p2-semantics-0<span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
65      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
66      <tr><td><a name="diff0004" /></td></tr>
67      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">Status</span> of this <span class="delete">Memo</span></td><td> </td><td class="rblock"><span class="insert">Abstract</span></td><td class="lineno" valign="top"></td></tr>
68      <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>
69      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   The Hypertext Transfer Protocol (HTTP) is an application-level</span></td><td class="lineno" valign="top"></td></tr>
70      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   protocol for distributed, collaborative, hypermedia information</span></td><td class="lineno" valign="top"></td></tr>
71      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   systems.  HTTP has been in use by the World Wide Web global</span></td><td class="lineno" valign="top"></td></tr>
72      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   information initiative since 1990.  This document is Part 2 of the</span></td><td class="lineno" valign="top"></td></tr>
73      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   seven-part specification that defines the protocol referred to as</span></td><td class="lineno" valign="top"></td></tr>
74      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 2 defines</span></td><td class="lineno" valign="top"></td></tr>
75      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   the semantics of HTTP messages as expressed by request methods,</span></td><td class="lineno" valign="top"></td></tr>
76      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   request-header fields, response status codes, and response-header</span></td><td class="lineno" valign="top"></td></tr>
77      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   fields.</span></td><td class="lineno" valign="top"></td></tr>
78      <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>
79      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">Editorial Note (To be removed by RFC Editor)</span></td><td class="lineno" valign="top"></td></tr>
80      <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>
81      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Discussion</span> of this <span class="insert">draft should take place on the HTTPBIS working</span></td><td class="lineno" valign="top"></td></tr>
82      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</span></td><td class="lineno" valign="top"></td></tr>
83      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/11&gt; and related</span></td><td class="lineno" valign="top"></td></tr>
84      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   documents (including fancy diffs) can be found at</span></td><td class="lineno" valign="top"></td></tr>
85      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</span></td><td class="lineno" valign="top"></td></tr>
86      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
87      <tr><td><a name="diff0005" /></td></tr>
88      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   <span class="insert">The changes in this draft are summarized in Appendix C.10.</span></td><td class="lineno" valign="top"></td></tr>
89      <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>
90      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">Status of this Memo</span></td><td class="lineno" valign="top"></td></tr>
91      <tr><td class="lineno" valign="top"></td><td class="left">   This Internet-Draft is submitted to IETF in full conformance with the</td><td> </td><td class="right">   This Internet-Draft is submitted to IETF in full conformance with the</td><td class="lineno" valign="top"></td></tr>
92      <tr><td><a name="diff0006" /></td></tr>
93      <tr><td class="lineno" valign="top"></td><td class="lblock">   provisions of BCP 78 and BCP 79.  <span class="delete">This document may contain material</span></td><td> </td><td class="rblock">   provisions of BCP 78 and BCP 79.</td><td class="lineno" valign="top"></td></tr>
94      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   from IETF Documents or IETF Contributions published or made publicly</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
95      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   available before November 10, 2008.  The person(s) controlling the</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
96      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   copyright in some of this material may not have granted the IETF</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
97      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Trust the right to allow modifications of such material outside the</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
98      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   IETF Standards Process.  Without obtaining an adequate license from</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
99      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   the person(s) controlling the copyright in such materials, this</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
100      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   document may not be modified outside the IETF Standards Process, and</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
101      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   derivative works of it may not be created outside the IETF Standards</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
102      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Process, except to format it for publication as an RFC or to</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
103      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   translate it into languages other than English.</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
104      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
105      <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>
106      <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>
107      <tr><td class="lineno" valign="top"></td><td class="left">   other groups may also distribute working documents as Internet-</td><td> </td><td class="right">   other groups may also distribute working documents as Internet-</td><td class="lineno" valign="top"></td></tr>
108      <tr><td class="lineno" valign="top"></td><td class="left">   Drafts.</td><td> </td><td class="right">   Drafts.</td><td class="lineno" valign="top"></td></tr>
109      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
110      <tr><td class="lineno" valign="top"></td><td class="left">   Internet-Drafts are draft documents valid for a maximum of six months</td><td> </td><td class="right">   Internet-Drafts are draft documents valid for a maximum of six months</td><td class="lineno" valign="top"></td></tr>
111      <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>
112      <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>
113      <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>
114      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
115      <tr bgcolor="gray" ><td></td><th><a name="part-l2" /><small>skipping to change at</small><em> page 2, line 4</em></th><th> </th><th><a name="part-r2" /><small>skipping to change at</small><em> page 2, line 16</em></th><td></td></tr>
116      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
117      <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>
118      <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>
119      <tr><td class="lineno" valign="top"></td><td class="left">   other groups may also distribute working documents as Internet-</td><td> </td><td class="right">   other groups may also distribute working documents as Internet-</td><td class="lineno" valign="top"></td></tr>
120      <tr><td class="lineno" valign="top"></td><td class="left">   Drafts.</td><td> </td><td class="right">   Drafts.</td><td class="lineno" valign="top"></td></tr>
121      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
122      <tr><td class="lineno" valign="top"></td><td class="left">   Internet-Drafts are draft documents valid for a maximum of six months</td><td> </td><td class="right">   Internet-Drafts are draft documents valid for a maximum of six months</td><td class="lineno" valign="top"></td></tr>
123      <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>
124      <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>
125      <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>
126      <tr><td><a name="diff0007" /></td></tr>
127      <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>
128      <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>
129      <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>
130      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
131      <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>
132      <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>
133      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
134      <tr><td><a name="diff0008" /></td></tr>
135      <tr><td class="lineno" valign="top"></td><td class="lblock">   This Internet-Draft will expire on <span class="delete">April 2</span>9, 2010.</td><td> </td><td class="rblock">   This Internet-Draft will expire on <span class="insert">September </span>9, 2010.</td><td class="lineno" valign="top"></td></tr>
136      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
137      <tr><td class="lineno" valign="top"></td><td class="left">Copyright Notice</td><td> </td><td class="right">Copyright Notice</td><td class="lineno" valign="top"></td></tr>
138      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
139      <tr><td><a name="diff0009" /></td></tr>
140      <tr><td class="lineno" valign="top"></td><td class="lblock">   Copyright (c) 20<span class="delete">09</span> IETF Trust and the persons identified as the</td><td> </td><td class="rblock">   Copyright (c) 20<span class="insert">10</span> IETF Trust and the persons identified as the</td><td class="lineno" valign="top"></td></tr>
141      <tr><td class="lineno" valign="top"></td><td class="left">   document authors.  All rights reserved.</td><td> </td><td class="right">   document authors.  All rights reserved.</td><td class="lineno" valign="top"></td></tr>
142      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
143      <tr><td class="lineno" valign="top"></td><td class="left">   This document is subject to BCP 78 and the IETF Trust's Legal</td><td> </td><td class="right">   This document is subject to BCP 78 and the IETF Trust's Legal</td><td class="lineno" valign="top"></td></tr>
144      <tr><td><a name="diff0010" /></td></tr>
145      <tr><td class="lineno" valign="top"></td><td class="lblock">   Provisions Relating to IETF Documents in effect on the date of</td><td> </td><td class="rblock">   Provisions Relating to IETF Documents</td><td class="lineno" valign="top"></td></tr>
146      <tr><td class="lineno" valign="top"></td><td class="lblock">   publication of this <span class="delete">document (http://trustee.ietf.org/license-info).</span></td><td> </td><td class="rblock">   <span class="insert">(http://trustee.ietf.org/license-info)</span> in effect on the date of</td><td class="lineno" valign="top"></td></tr>
147      <tr><td class="lineno" valign="top"></td><td class="lblock">   Please review these documents carefully, as they describe your rights</td><td> </td><td class="rblock">   publication of this <span class="insert">document.</span>  Please review these documents</td><td class="lineno" valign="top"></td></tr>
148      <tr><td class="lineno" valign="top"></td><td class="lblock">   and restrictions with respect to this document.</td><td> </td><td class="rblock">   carefully, as they describe your rights and restrictions with respect</td><td class="lineno" valign="top"></td></tr>
149      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                                         </td><td> </td><td class="rblock">   to this document.  <span class="insert">Code Components extracted from this</span> document <span class="insert">must</span></td><td class="lineno" valign="top"></td></tr>
150      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">Abstract</span></td><td> </td><td class="rblock"><span class="insert">   include Simplified BSD License text</span> as <span class="insert">described in Section 4.e</span> of</td><td class="lineno" valign="top"></td></tr>
151      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete"></span></td><td> </td><td class="rblock">   the <span class="insert">Trust Legal Provisions</span> and <span class="insert">are provided without warranty as</span></td><td class="lineno" valign="top"></td></tr>
152      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   The Hypertext Transfer Protocol (HTTP) is an application-level</span></td><td> </td><td class="rblock"><span class="insert">   described in the BSD License.</span></td><td class="lineno" valign="top"></td></tr>
153      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   protocol for distributed, collaborative, hypermedia information</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
154      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   systems.  HTTP has been in use by the World Wide Web global</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
155      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   information initiative since 1990.  This</span> document <span class="delete">is Part 2 of the</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
156      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   seven-part specification that defines the protocol referred to as</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
157      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 2 defines</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
158      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   the semantics of HTTP messages</span> as <span class="delete">expressed by request methods,</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
159      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   request-header fields, response status codes, and response-header</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
160      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   fields.</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
161      <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>
162      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">Editorial Note (To be removed by RFC Editor)</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
163      <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>
164      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Discussion</span> of <span class="delete">this draft should take place on</span> the <span class="delete">HTTPBIS working</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
165      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
166      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/11&gt;</span> and <span class="delete">related</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
167      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   documents (including fancy diffs) can be found at</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
168      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
169      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
170      <tr><td><a name="diff0011" /></td></tr>
171      <tr><td class="lineno" valign="top"></td><td class="lblock">   The <span class="delete">changes</span> in this <span class="delete">draft are summarized</span> in <span class="delete">Appendix C.9.</span></td><td> </td><td class="rblock">   <span class="insert">This document may contain material from IETF Documents or IETF</span></td><td class="lineno" valign="top"></td></tr>
172      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Contributions published or made publicly available before November</span></td><td class="lineno" valign="top"></td></tr>
173      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   10, 2008.</span>  The <span class="insert">person(s) controlling the copyright</span> in <span class="insert">some of</span> this</td><td class="lineno" valign="top"></td></tr>
174      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   <span class="insert">material may not have granted the IETF Trust the right to allow</span></td><td class="lineno" valign="top"></td></tr>
175      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   modifications of such material outside the IETF Standards Process.</span></td><td class="lineno" valign="top"></td></tr>
176      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Without obtaining an adequate license from the person(s) controlling</span></td><td class="lineno" valign="top"></td></tr>
177      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   the copyright</span> in <span class="insert">such materials, this document may not be modified</span></td><td class="lineno" valign="top"></td></tr>
178      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   outside the IETF Standards Process, and derivative works of it may</span></td><td class="lineno" valign="top"></td></tr>
179      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   not be created outside the IETF Standards Process, except to format</span></td><td class="lineno" valign="top"></td></tr>
180      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   it for publication as an RFC or to translate it into languages other</span></td><td class="lineno" valign="top"></td></tr>
181      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   than English.</span></td><td class="lineno" valign="top"></td></tr>
182      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
183      <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>
184      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
185      <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>
186      <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>
187      <tr><td class="lineno" valign="top"></td><td class="left">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  6</td><td> </td><td class="right">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  6</td><td class="lineno" valign="top"></td></tr>
188      <tr><td class="lineno" valign="top"></td><td class="left">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  7</td><td> </td><td class="right">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  7</td><td class="lineno" valign="top"></td></tr>
189      <tr><td class="lineno" valign="top"></td><td class="left">       1.2.2.  ABNF Rules defined in other Parts of the</td><td> </td><td class="right">       1.2.2.  ABNF Rules defined in other Parts of the</td><td class="lineno" valign="top"></td></tr>
190      <tr><td class="lineno" valign="top"></td><td class="left">               Specification  . . . . . . . . . . . . . . . . . . . .  7</td><td> </td><td class="right">               Specification  . . . . . . . . . . . . . . . . . . . .  7</td><td class="lineno" valign="top"></td></tr>
191      <tr><td class="lineno" valign="top"></td><td class="left">   2.  Method . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8</td><td> </td><td class="right">   2.  Method . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8</td><td class="lineno" valign="top"></td></tr>
192      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
193      <tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 5, line 21</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 5, line 21</em></th><td></td></tr>
194      <tr><td class="lineno" valign="top"></td><td class="left">                publication)  . . . . . . . . . . . . . . . . . . . . 48</td><td> </td><td class="right">                publication)  . . . . . . . . . . . . . . . . . . . . 48</td><td class="lineno" valign="top"></td></tr>
195      <tr><td class="lineno" valign="top"></td><td class="left">     C.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . 48</td><td> </td><td class="right">     C.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . 48</td><td class="lineno" valign="top"></td></tr>
196      <tr><td class="lineno" valign="top"></td><td class="left">     C.2.  Since draft-ietf-httpbis-p2-semantics-00 . . . . . . . . . 48</td><td> </td><td class="right">     C.2.  Since draft-ietf-httpbis-p2-semantics-00 . . . . . . . . . 48</td><td class="lineno" valign="top"></td></tr>
197      <tr><td class="lineno" valign="top"></td><td class="left">     C.3.  Since draft-ietf-httpbis-p2-semantics-01 . . . . . . . . . 49</td><td> </td><td class="right">     C.3.  Since draft-ietf-httpbis-p2-semantics-01 . . . . . . . . . 49</td><td class="lineno" valign="top"></td></tr>
198      <tr><td class="lineno" valign="top"></td><td class="left">     C.4.  Since draft-ietf-httpbis-p2-semantics-02 . . . . . . . . . 49</td><td> </td><td class="right">     C.4.  Since draft-ietf-httpbis-p2-semantics-02 . . . . . . . . . 49</td><td class="lineno" valign="top"></td></tr>
199      <tr><td class="lineno" valign="top"></td><td class="left">     C.5.  Since draft-ietf-httpbis-p2-semantics-03 . . . . . . . . . 50</td><td> </td><td class="right">     C.5.  Since draft-ietf-httpbis-p2-semantics-03 . . . . . . . . . 50</td><td class="lineno" valign="top"></td></tr>
200      <tr><td class="lineno" valign="top"></td><td class="left">     C.6.  Since draft-ietf-httpbis-p2-semantics-04 . . . . . . . . . 50</td><td> </td><td class="right">     C.6.  Since draft-ietf-httpbis-p2-semantics-04 . . . . . . . . . 50</td><td class="lineno" valign="top"></td></tr>
201      <tr><td class="lineno" valign="top"></td><td class="left">     C.7.  Since draft-ietf-httpbis-p2-semantics-05 . . . . . . . . . 51</td><td> </td><td class="right">     C.7.  Since draft-ietf-httpbis-p2-semantics-05 . . . . . . . . . 51</td><td class="lineno" valign="top"></td></tr>
202      <tr><td class="lineno" valign="top"></td><td class="left">     C.8.  Since draft-ietf-httpbis-p2-semantics-06 . . . . . . . . . 51</td><td> </td><td class="right">     C.8.  Since draft-ietf-httpbis-p2-semantics-06 . . . . . . . . . 51</td><td class="lineno" valign="top"></td></tr>
203      <tr><td class="lineno" valign="top"></td><td class="left">     C.9.  Since draft-ietf-httpbis-p2-semantics-07 . . . . . . . . . 51</td><td> </td><td class="right">     C.9.  Since draft-ietf-httpbis-p2-semantics-07 . . . . . . . . . 51</td><td class="lineno" valign="top"></td></tr>
204      <tr><td><a name="diff0012" /></td></tr>
205      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     C.10. Since draft-ietf-httpbis-p2-semantics-08 . . . . . . . . . 52</span></td><td class="lineno" valign="top"></td></tr>
206      <tr><td class="lineno" valign="top"></td><td class="left">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52</td><td> </td><td class="right">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52</td><td class="lineno" valign="top"></td></tr>
207      <tr><td class="lineno" valign="top"></td><td class="left">   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 56</td><td> </td><td class="right">   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 56</td><td class="lineno" valign="top"></td></tr>
208      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
209      <tr><td class="lineno" valign="top"></td><td class="left">1.  Introduction</td><td> </td><td class="right">1.  Introduction</td><td class="lineno" valign="top"></td></tr>
210      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
211      <tr><td class="lineno" valign="top"></td><td class="left">   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>
212      <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>
213      <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>
214      <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>
215      <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>
216      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
217      <tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 10, line 16</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 10, line 16</em></th><td></td></tr>
218      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
219      <tr><td class="lineno" valign="top"></td><td class="left">   The Status-Code element is a 3-digit integer result code of the</td><td> </td><td class="right">   The Status-Code element is a 3-digit integer result code of the</td><td class="lineno" valign="top"></td></tr>
220      <tr><td class="lineno" valign="top"></td><td class="left">   attempt to understand and satisfy the request.  The status codes</td><td> </td><td class="right">   attempt to understand and satisfy the request.  The status codes</td><td class="lineno" valign="top"></td></tr>
221      <tr><td class="lineno" valign="top"></td><td class="left">   listed below are defined in Section 8.  The Reason-Phrase is intended</td><td> </td><td class="right">   listed below are defined in Section 8.  The Reason-Phrase is intended</td><td class="lineno" valign="top"></td></tr>
222      <tr><td class="lineno" valign="top"></td><td class="left">   to give a short textual description of the Status-Code.  The Status-</td><td> </td><td class="right">   to give a short textual description of the Status-Code.  The Status-</td><td class="lineno" valign="top"></td></tr>
223      <tr><td class="lineno" valign="top"></td><td class="left">   Code is intended for use by automata and the Reason-Phrase is</td><td> </td><td class="right">   Code is intended for use by automata and the Reason-Phrase is</td><td class="lineno" valign="top"></td></tr>
224      <tr><td class="lineno" valign="top"></td><td class="left">   intended for the human user.  The client is not required to examine</td><td> </td><td class="right">   intended for the human user.  The client is not required to examine</td><td class="lineno" valign="top"></td></tr>
225      <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>
226      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
227      <tr><td class="lineno" valign="top"></td><td class="left">   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>
228      <tr><td><a name="diff0013" /></td></tr>
229      <tr><td class="lineno" valign="top"></td><td class="lblock">   HTTP/1.1, and an example set of corresponding <span class="delete">Reason-Phrase's,</span> are</td><td> </td><td class="rblock">   HTTP/1.1, and an example set of corresponding <span class="insert">Reason-Phrase values,</span></td><td class="lineno" valign="top"></td></tr>
230      <tr><td class="lineno" valign="top"></td><td class="lblock">   presented below.  The reason phrases listed here are only</td><td> </td><td class="rblock">   are presented below.  The reason phrases listed here are only</td><td class="lineno" valign="top"></td></tr>
231      <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>
232      <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>
233      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
234      <tr><td class="lineno" valign="top"></td><td class="left">     Status-Code    =</td><td> </td><td class="right">     Status-Code    =</td><td class="lineno" valign="top"></td></tr>
235      <tr><td class="lineno" valign="top"></td><td class="left">            "100"  ; Section 8.1.1: Continue</td><td> </td><td class="right">            "100"  ; Section 8.1.1: Continue</td><td class="lineno" valign="top"></td></tr>
236      <tr><td class="lineno" valign="top"></td><td class="left">          / "101"  ; Section 8.1.2: Switching Protocols</td><td> </td><td class="right">          / "101"  ; Section 8.1.2: Switching Protocols</td><td class="lineno" valign="top"></td></tr>
237      <tr><td class="lineno" valign="top"></td><td class="left">          / "200"  ; Section 8.2.1: OK</td><td> </td><td class="right">          / "200"  ; Section 8.2.1: OK</td><td class="lineno" valign="top"></td></tr>
238      <tr><td class="lineno" valign="top"></td><td class="left">          / "201"  ; Section 8.2.2: Created</td><td> </td><td class="right">          / "201"  ; Section 8.2.2: Created</td><td class="lineno" valign="top"></td></tr>
239      <tr><td class="lineno" valign="top"></td><td class="left">          / "202"  ; Section 8.2.3: Accepted</td><td> </td><td class="right">          / "202"  ; Section 8.2.3: Accepted</td><td class="lineno" valign="top"></td></tr>
240      <tr><td class="lineno" valign="top"></td><td class="left">          / "203"  ; Section 8.2.4: Non-Authoritative Information</td><td> </td><td class="right">          / "203"  ; Section 8.2.4: Non-Authoritative Information</td><td class="lineno" valign="top"></td></tr>
241      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
242      <tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 13, line 31</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 13, line 31</em></th><td></td></tr>
243      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
244      <tr><td class="lineno" valign="top"></td><td class="left">   It is sometimes necessary to determine the identity of the resource</td><td> </td><td class="right">   It is sometimes necessary to determine the identity of the resource</td><td class="lineno" valign="top"></td></tr>
245      <tr><td class="lineno" valign="top"></td><td class="left">   associated with a representation.</td><td> </td><td class="right">   associated with a representation.</td><td class="lineno" valign="top"></td></tr>
246      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
247      <tr><td class="lineno" valign="top"></td><td class="left">   An HTTP request representation, when present, is always associated</td><td> </td><td class="right">   An HTTP request representation, when present, is always associated</td><td class="lineno" valign="top"></td></tr>
248      <tr><td class="lineno" valign="top"></td><td class="left">   with an anonymous (i.e., unidentified) resource.</td><td> </td><td class="right">   with an anonymous (i.e., unidentified) resource.</td><td class="lineno" valign="top"></td></tr>
249      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
250      <tr><td class="lineno" valign="top"></td><td class="left">   In the common case, an HTTP response is a representation of the</td><td> </td><td class="right">   In the common case, an HTTP response is a representation of the</td><td class="lineno" valign="top"></td></tr>
251      <tr><td class="lineno" valign="top"></td><td class="left">   resource located at the request-URI.  However, this is not always the</td><td> </td><td class="right">   resource located at the request-URI.  However, this is not always the</td><td class="lineno" valign="top"></td></tr>
252      <tr><td class="lineno" valign="top"></td><td class="left">   case.  To determine the URI of the resource a response is associated</td><td> </td><td class="right">   case.  To determine the URI of the resource a response is associated</td><td class="lineno" valign="top"></td></tr>
253      <tr><td><a name="diff0014" /></td></tr>
254      <tr><td class="lineno" valign="top"></td><td class="lblock">   with, the following rules are used <span class="delete">(first match winning):</span></td><td> </td><td class="rblock">   with, the following rules are used <span class="insert">(with the first applicable one</span></td><td class="lineno" valign="top"></td></tr>
255      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   being selected):</span></td><td class="lineno" valign="top"></td></tr>
256      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
257      <tr><td class="lineno" valign="top"></td><td class="left">   1.  If the response status code is 200 or 203 and the request method</td><td> </td><td class="right">   1.  If the response status code is 200 or 203 and the request method</td><td class="lineno" valign="top"></td></tr>
258      <tr><td class="lineno" valign="top"></td><td class="left">       was GET, the response is a representation of the resource at the</td><td> </td><td class="right">       was GET, the response is a representation of the resource at the</td><td class="lineno" valign="top"></td></tr>
259      <tr><td class="lineno" valign="top"></td><td class="left">       request-URI.</td><td> </td><td class="right">       request-URI.</td><td class="lineno" valign="top"></td></tr>
260      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
261      <tr><td class="lineno" valign="top"></td><td class="left">   2.  If the response status is 204, 206, or 304 and the request method</td><td> </td><td class="right">   2.  If the response status is 204, 206, or 304 and the request method</td><td class="lineno" valign="top"></td></tr>
262      <tr><td class="lineno" valign="top"></td><td class="left">       was GET or HEAD, the response is a partial representation of the</td><td> </td><td class="right">       was GET or HEAD, the response is a partial representation of the</td><td class="lineno" valign="top"></td></tr>
263      <tr><td class="lineno" valign="top"></td><td class="left">       resource at the request-URI (see Section 2.7 of [Part6]).</td><td> </td><td class="right">       resource at the request-URI (see Section 2.7 of [Part6]).</td><td class="lineno" valign="top"></td></tr>
264      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
265      <tr><td class="lineno" valign="top"></td><td class="left">   3.  If the response has a Content-Location header, and that URI is</td><td> </td><td class="right">   3.  If the response has a Content-Location header, and that URI is</td><td class="lineno" valign="top"></td></tr>
266      <tr><td><a name="diff0015" /></td></tr>
267      <tr><td class="lineno" valign="top"></td><td class="lblock">       the same as the request-URI <span class="delete">[[anchor1:</span> (see [ref])]], the</td><td> </td><td class="rblock">       the same as the request-URI <span class="insert">[[TODO-missref-requri:</span> (see [ref])]],</td><td class="lineno" valign="top"></td></tr>
268      <tr><td class="lineno" valign="top"></td><td class="lblock">       response is a representation of the resource at the <span class="delete">request-URI.</span></td><td> </td><td class="rblock">       the response is a representation of the resource at the <span class="insert">request-</span></td><td class="lineno" valign="top"></td></tr>
269      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">       URI.</span></td><td class="lineno" valign="top"></td></tr>
270      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
271      <tr><td class="lineno" valign="top"></td><td class="left">   4.  If the response has a Content-Location header, and that URI is</td><td> </td><td class="right">   4.  If the response has a Content-Location header, and that URI is</td><td class="lineno" valign="top"></td></tr>
272      <tr><td class="lineno" valign="top"></td><td class="left">       not the same as the request-URI, the response asserts that it is</td><td> </td><td class="right">       not the same as the request-URI, the response asserts that it is</td><td class="lineno" valign="top"></td></tr>
273      <tr><td class="lineno" valign="top"></td><td class="left">       a representation of the resource at the Content-Location URI (but</td><td> </td><td class="right">       a representation of the resource at the Content-Location URI (but</td><td class="lineno" valign="top"></td></tr>
274      <tr><td class="lineno" valign="top"></td><td class="left">       it may not be).</td><td> </td><td class="right">       it may not be).</td><td class="lineno" valign="top"></td></tr>
275      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
276      <tr><td class="lineno" valign="top"></td><td class="left">   5.  Otherwise, the response is a representation of an anonymous</td><td> </td><td class="right">   5.  Otherwise, the response is a representation of an anonymous</td><td class="lineno" valign="top"></td></tr>
277      <tr><td class="lineno" valign="top"></td><td class="left">       (i.e., unidentified) resource.</td><td> </td><td class="right">       (i.e., unidentified) resource.</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><a name="diff0016" /></td></tr>
280      <tr><td class="lineno" valign="top"></td><td class="lblock">   [[TODO-req-uri: Note that <span class="delete">'request-URI'</span> is used here; however, we</td><td> </td><td class="rblock">   [[TODO-req-uri: Note that <span class="insert">"request-URI"</span> is used here; however, we</td><td class="lineno" valign="top"></td></tr>
281      <tr><td class="lineno" valign="top"></td><td class="left">   need to come up with a term to denote "the URI that can be inferred</td><td> </td><td class="right">   need to come up with a term to denote "the URI that can be inferred</td><td class="lineno" valign="top"></td></tr>
282      <tr><td class="lineno" valign="top"></td><td class="left">   from examining the request-target and the Host header." (see</td><td> </td><td class="right">   from examining the request-target and the Host header." (see</td><td class="lineno" valign="top"></td></tr>
283      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/196&gt;).  Also, the</td><td> </td><td class="right">   &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/196&gt;).  Also, the</td><td class="lineno" valign="top"></td></tr>
284      <tr><td class="lineno" valign="top"></td><td class="left">   comparison function is going to have to be defined somewhere, because</td><td> </td><td class="right">   comparison function is going to have to be defined somewhere, because</td><td class="lineno" valign="top"></td></tr>
285      <tr><td class="lineno" valign="top"></td><td class="left">   we already need to compare URIs for things like cache invalidation.]]</td><td> </td><td class="right">   we already need to compare URIs for things like cache invalidation.]]</td><td class="lineno" valign="top"></td></tr>
286      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
287      <tr><td class="lineno" valign="top"></td><td class="left">7.  Method Definitions</td><td> </td><td class="right">7.  Method Definitions</td><td class="lineno" valign="top"></td></tr>
288      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
289      <tr><td class="lineno" valign="top"></td><td class="left">   The set of common methods for HTTP/1.1 is defined below.  Although</td><td> </td><td class="right">   The set of common methods for HTTP/1.1 is defined below.  Although</td><td class="lineno" valign="top"></td></tr>
290      <tr><td class="lineno" valign="top"></td><td class="left">   this set can be expanded, additional methods cannot be assumed to</td><td> </td><td class="right">   this set can be expanded, additional methods cannot be assumed to</td><td class="lineno" valign="top"></td></tr>
291      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
292      <tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 16, line 14</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 16, line 14</em></th><td></td></tr>
293      <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>
294      <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>
295      <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>
296      <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>
297      <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>
298      <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>
299      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
300      <tr><td class="lineno" valign="top"></td><td class="left">7.3.  GET</td><td> </td><td class="right">7.3.  GET</td><td class="lineno" valign="top"></td></tr>
301      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
302      <tr><td class="lineno" valign="top"></td><td class="left">   The GET method means retrieve whatever information (in the form of an</td><td> </td><td class="right">   The GET method means retrieve whatever information (in the form of an</td><td class="lineno" valign="top"></td></tr>
303      <tr><td><a name="diff0017" /></td></tr>
304      <tr><td class="lineno" valign="top"></td><td class="lblock">   entity) <span class="delete">is</span> identified by the request-target.  If the request-target</td><td> </td><td class="rblock">   entity) <span class="insert">currently corresponds to the resource</span> identified by the</td><td class="lineno" valign="top"></td></tr>
305      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">refers to</span> a data-producing process, it is the produced data which</td><td> </td><td class="rblock">   request-target.</td><td class="lineno" valign="top"></td></tr>
306      <tr><td class="lineno" valign="top"></td><td class="lblock">   shall be returned as the entity in the response and not the source</td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
307      <tr><td class="lineno" valign="top"></td><td class="lblock">   text of the process, unless that text happens to be the output of the</td><td> </td><td class="rblock">   If the request-target <span class="insert">identifies</span> a data-producing process, it is the</td><td class="lineno" valign="top"></td></tr>
308      <tr><td class="lineno" valign="top"></td><td class="lblock">   process.</td><td> </td><td class="rblock">   produced data which shall be returned as the entity in the response</td><td class="lineno" valign="top"></td></tr>
309      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   and not the source text of the process, unless that text happens to</td><td class="lineno" valign="top"></td></tr>
310      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   be the output of the process.</td><td class="lineno" valign="top"></td></tr>
311      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
312      <tr><td class="lineno" valign="top"></td><td class="left">   The semantics of the GET method change to a "conditional GET" if the</td><td> </td><td class="right">   The semantics of the GET method change to a "conditional GET" if the</td><td class="lineno" valign="top"></td></tr>
313      <tr><td class="lineno" valign="top"></td><td class="left">   request message includes an If-Modified-Since, If-Unmodified-Since,</td><td> </td><td class="right">   request message includes an If-Modified-Since, If-Unmodified-Since,</td><td class="lineno" valign="top"></td></tr>
314      <tr><td class="lineno" valign="top"></td><td class="left">   If-Match, If-None-Match, or If-Range header field.  A conditional GET</td><td> </td><td class="right">   If-Match, If-None-Match, or If-Range header field.  A conditional GET</td><td class="lineno" valign="top"></td></tr>
315      <tr><td class="lineno" valign="top"></td><td class="left">   method requests that the entity be transferred only under the</td><td> </td><td class="right">   method requests that the entity be transferred only under the</td><td class="lineno" valign="top"></td></tr>
316      <tr><td class="lineno" valign="top"></td><td class="left">   circumstances described by the conditional header field(s).  The</td><td> </td><td class="right">   circumstances described by the conditional header field(s).  The</td><td class="lineno" valign="top"></td></tr>
317      <tr><td class="lineno" valign="top"></td><td class="left">   conditional GET method is intended to reduce unnecessary network</td><td> </td><td class="right">   conditional GET method is intended to reduce unnecessary network</td><td class="lineno" valign="top"></td></tr>
318      <tr><td class="lineno" valign="top"></td><td class="left">   usage by allowing cached entities to be refreshed without requiring</td><td> </td><td class="right">   usage by allowing cached entities to be refreshed without requiring</td><td class="lineno" valign="top"></td></tr>
319      <tr><td class="lineno" valign="top"></td><td class="left">   multiple requests or transferring data already held by the client.</td><td> </td><td class="right">   multiple requests or transferring data already held by the client.</td><td class="lineno" valign="top"></td></tr>
320      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
321      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
322      <tr bgcolor="gray" ><td></td><th><a name="part-l7" /><small>skipping to change at</small><em> page 18, line 22</em></th><th> </th><th><a name="part-r7" /><small>skipping to change at</small><em> page 18, line 22</em></th><td></td></tr>
323      <tr><td class="lineno" valign="top"></td><td class="left">   is capable of being defined as a new resource by the requesting user</td><td> </td><td class="right">   is capable of being defined as a new resource by the requesting user</td><td class="lineno" valign="top"></td></tr>
324      <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>
325      <tr><td class="lineno" valign="top"></td><td class="left">   new resource is created at the request-target, the origin server MUST</td><td> </td><td class="right">   new resource is created at the request-target, the origin server MUST</td><td class="lineno" valign="top"></td></tr>
326      <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>
327      <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>
328      <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>
329      <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>
330      <tr><td class="lineno" valign="top"></td><td class="left">   the request-target, an appropriate error response SHOULD be given</td><td> </td><td class="right">   the request-target, an appropriate error response SHOULD be given</td><td class="lineno" valign="top"></td></tr>
331      <tr><td class="lineno" valign="top"></td><td class="left">   that reflects the nature of the problem.  The recipient of the entity</td><td> </td><td class="right">   that reflects the nature of the problem.  The recipient of the entity</td><td class="lineno" valign="top"></td></tr>
332      <tr><td class="lineno" valign="top"></td><td class="left">   MUST NOT ignore any Content-* headers (headers starting with the</td><td> </td><td class="right">   MUST NOT ignore any Content-* headers (headers starting with the</td><td class="lineno" valign="top"></td></tr>
333      <tr><td><a name="diff0018" /></td></tr>
334      <tr><td class="lineno" valign="top"></td><td class="lblock">   prefix <span class="delete">'Content-'</span>) that it does not understand or implement and MUST</td><td> </td><td class="rblock">   prefix <span class="insert">"Content-"</span>) that it does not understand or implement and MUST</td><td class="lineno" valign="top"></td></tr>
335      <tr><td class="lineno" valign="top"></td><td class="left">   return a 501 (Not Implemented) response in such cases.</td><td> </td><td class="right">   return a 501 (Not Implemented) response in such cases.</td><td class="lineno" valign="top"></td></tr>
336      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
337      <tr><td class="lineno" valign="top"></td><td class="left">   If the request passes through a cache and the request-target</td><td> </td><td class="right">   If the request passes through a cache and the request-target</td><td class="lineno" valign="top"></td></tr>
338      <tr><td class="lineno" valign="top"></td><td class="left">   identifies one or more currently cached entities, those entries</td><td> </td><td class="right">   identifies one or more currently cached entities, those entries</td><td class="lineno" valign="top"></td></tr>
339      <tr><td class="lineno" valign="top"></td><td class="left">   SHOULD be treated as stale.  Responses to this method are not</td><td> </td><td class="right">   SHOULD be treated as stale.  Responses to this method are not</td><td class="lineno" valign="top"></td></tr>
340      <tr><td class="lineno" valign="top"></td><td class="left">   cacheable.</td><td> </td><td class="right">   cacheable.</td><td class="lineno" valign="top"></td></tr>
341      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
342      <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>
343      <tr><td class="lineno" valign="top"></td><td class="left">   reflected in the different meaning of the request-target.  The URI in</td><td> </td><td class="right">   reflected in the different meaning of the request-target.  The URI in</td><td class="lineno" valign="top"></td></tr>
344      <tr><td class="lineno" valign="top"></td><td class="left">   a POST request identifies the resource that will handle the enclosed</td><td> </td><td class="right">   a POST request identifies the resource that will handle the enclosed</td><td class="lineno" valign="top"></td></tr>
345      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
346      <tr bgcolor="gray" ><td></td><th><a name="part-l8" /><small>skipping to change at</small><em> page 20, line 8</em></th><th> </th><th><a name="part-r8" /><small>skipping to change at</small><em> page 20, line 8</em></th><td></td></tr>
347      <tr><td class="lineno" valign="top"></td><td class="left">   testing a chain of proxies forwarding messages in an infinite loop.</td><td> </td><td class="right">   testing a chain of proxies forwarding messages in an infinite loop.</td><td class="lineno" valign="top"></td></tr>
348      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
349      <tr><td class="lineno" valign="top"></td><td class="left">   If the request is valid, the response SHOULD contain the entire</td><td> </td><td class="right">   If the request is valid, the response SHOULD contain the entire</td><td class="lineno" valign="top"></td></tr>
350      <tr><td class="lineno" valign="top"></td><td class="left">   request message in the entity-body, with a Content-Type of "message/</td><td> </td><td class="right">   request message in the entity-body, with a Content-Type of "message/</td><td class="lineno" valign="top"></td></tr>
351      <tr><td class="lineno" valign="top"></td><td class="left">   http" (see Section 10.3.1 of [Part1]).  Responses to this method MUST</td><td> </td><td class="right">   http" (see Section 10.3.1 of [Part1]).  Responses to this method MUST</td><td class="lineno" valign="top"></td></tr>
352      <tr><td class="lineno" valign="top"></td><td class="left">   NOT be cached.</td><td> </td><td class="right">   NOT be cached.</td><td class="lineno" valign="top"></td></tr>
353      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
354      <tr><td class="lineno" valign="top"></td><td class="left">7.9.  CONNECT</td><td> </td><td class="right">7.9.  CONNECT</td><td class="lineno" valign="top"></td></tr>
355      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
356      <tr><td class="lineno" valign="top"></td><td class="left">   This specification reserves the method name CONNECT for use with a</td><td> </td><td class="right">   This specification reserves the method name CONNECT for use with a</td><td class="lineno" valign="top"></td></tr>
357      <tr><td><a name="diff0019" /></td></tr>
358      <tr><td class="lineno" valign="top"></td><td class="lblock">   proxy that can dynamically switch to being a tunnel (e.g.<span class="delete"> </span> SSL</td><td> </td><td class="rblock">   proxy that can dynamically switch to being a tunnel (e.g.<span class="insert">,</span> SSL</td><td class="lineno" valign="top"></td></tr>
359      <tr><td class="lineno" valign="top"></td><td class="left">   tunneling [RFC2817]).</td><td> </td><td class="right">   tunneling [RFC2817]).</td><td class="lineno" valign="top"></td></tr>
360      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
361      <tr><td class="lineno" valign="top"></td><td class="left">8.  Status Code Definitions</td><td> </td><td class="right">8.  Status Code Definitions</td><td class="lineno" valign="top"></td></tr>
362      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
363      <tr><td class="lineno" valign="top"></td><td class="left">   Each Status-Code is described below, including any metainformation</td><td> </td><td class="right">   Each Status-Code is described below, including any metainformation</td><td class="lineno" valign="top"></td></tr>
364      <tr><td class="lineno" valign="top"></td><td class="left">   required in the response.</td><td> </td><td class="right">   required in the response.</td><td class="lineno" valign="top"></td></tr>
365      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
366      <tr><td class="lineno" valign="top"></td><td class="left">8.1.  Informational 1xx</td><td> </td><td class="right">8.1.  Informational 1xx</td><td class="lineno" valign="top"></td></tr>
367      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
368      <tr><td class="lineno" valign="top"></td><td class="left">   This class of status code indicates a provisional response,</td><td> </td><td class="right">   This class of status code indicates a provisional response,</td><td class="lineno" valign="top"></td></tr>
369      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
370      <tr bgcolor="gray" ><td></td><th><a name="part-l9" /><small>skipping to change at</small><em> page 21, line 39</em></th><th> </th><th><a name="part-r9" /><small>skipping to change at</small><em> page 21, line 39</em></th><td></td></tr>
371      <tr><td class="lineno" valign="top"></td><td class="left">   HEAD  the entity-header fields corresponding to the requested</td><td> </td><td class="right">   HEAD  the entity-header fields corresponding to the requested</td><td class="lineno" valign="top"></td></tr>
372      <tr><td class="lineno" valign="top"></td><td class="left">      resource are sent in the response without any message-body;</td><td> </td><td class="right">      resource are sent in the response without any message-body;</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">   POST  an entity describing or containing the result of the action;</td><td> </td><td class="right">   POST  an entity describing or containing the result of the action;</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" valign="top"></td><td class="left">   TRACE  an entity containing the request message as received by the</td><td> </td><td class="right">   TRACE  an entity containing the request message as received by the</td><td class="lineno" valign="top"></td></tr>
377      <tr><td class="lineno" valign="top"></td><td class="left">      end server.</td><td> </td><td class="right">      end server.</td><td class="lineno" valign="top"></td></tr>
378      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
379      <tr><td class="lineno" valign="top"></td><td class="left">8.2.2.  201 Created</td><td> </td><td class="right">8.2.2.  201 Created</td><td class="lineno" valign="top"></td></tr>
380      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
381      <tr><td><a name="diff0020" /></td></tr>
382      <tr><td class="lineno" valign="top"></td><td class="lblock">   The request has been fulfilled and resulted in a new resource being</td><td> </td><td class="rblock">   The request has been fulfilled and <span class="insert">has</span> resulted in a new resource</td><td class="lineno" valign="top"></td></tr>
383      <tr><td class="lineno" valign="top"></td><td class="lblock">   created.  The newly created resource can be referenced by the URI(s)</td><td> </td><td class="rblock">   being created.  The newly created resource can be referenced by the</td><td class="lineno" valign="top"></td></tr>
384      <tr><td class="lineno" valign="top"></td><td class="lblock">   returned in the entity of the response, with the most specific URI</td><td> </td><td class="rblock">   URI(s) returned in the entity of the response, with the most specific</td><td class="lineno" valign="top"></td></tr>
385      <tr><td class="lineno" valign="top"></td><td class="lblock">   for the resource given by a Location header field.  The response</td><td> </td><td class="rblock">   URI for the resource given by a Location header field.  The response</td><td class="lineno" valign="top"></td></tr>
386      <tr><td class="lineno" valign="top"></td><td class="left">   SHOULD include an entity containing a list of resource</td><td> </td><td class="right">   SHOULD include an entity containing a list of resource</td><td class="lineno" valign="top"></td></tr>
387      <tr><td class="lineno" valign="top"></td><td class="left">   characteristics and location(s) from which the user or user agent can</td><td> </td><td class="right">   characteristics and location(s) from which the user or user agent can</td><td class="lineno" valign="top"></td></tr>
388      <tr><td class="lineno" valign="top"></td><td class="left">   choose the one most appropriate.  The entity format is specified by</td><td> </td><td class="right">   choose the one most appropriate.  The entity format is specified by</td><td class="lineno" valign="top"></td></tr>
389      <tr><td class="lineno" valign="top"></td><td class="left">   the media type given in the Content-Type header field.  The origin</td><td> </td><td class="right">   the media type given in the Content-Type header field.  The origin</td><td class="lineno" valign="top"></td></tr>
390      <tr><td class="lineno" valign="top"></td><td class="left">   server MUST create the resource before returning the 201 status code.</td><td> </td><td class="right">   server MUST create the resource before returning the 201 status code.</td><td class="lineno" valign="top"></td></tr>
391      <tr><td class="lineno" valign="top"></td><td class="left">   If the action cannot be carried out immediately, the server SHOULD</td><td> </td><td class="right">   If the action cannot be carried out immediately, the server SHOULD</td><td class="lineno" valign="top"></td></tr>
392      <tr><td class="lineno" valign="top"></td><td class="left">   respond with 202 (Accepted) response instead.</td><td> </td><td class="right">   respond with 202 (Accepted) response instead.</td><td class="lineno" valign="top"></td></tr>
393      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
394      <tr><td class="lineno" valign="top"></td><td class="left">   A 201 response MAY contain an ETag response header field indicating</td><td> </td><td class="right">   A 201 response MAY contain an ETag response header field indicating</td><td class="lineno" valign="top"></td></tr>
395      <tr><td class="lineno" valign="top"></td><td class="left">   the current value of the entity tag for the requested variant just</td><td> </td><td class="right">   the current value of the entity tag for the requested variant just</td><td class="lineno" valign="top"></td></tr>
396      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
397      <tr bgcolor="gray" ><td></td><th><a name="part-l10" /><small>skipping to change at</small><em> page 23, line 26</em></th><th> </th><th><a name="part-r10" /><small>skipping to change at</small><em> page 23, line 26</em></th><td></td></tr>
398      <tr><td class="lineno" valign="top"></td><td class="left">   The server has fulfilled the partial GET request for the resource and</td><td> </td><td class="right">   The server has fulfilled the partial GET request for the resource and</td><td class="lineno" valign="top"></td></tr>
399      <tr><td class="lineno" valign="top"></td><td class="left">   the enclosed entity is a partial representation as defined in Section</td><td> </td><td class="right">   the enclosed entity is a partial representation as defined in Section</td><td class="lineno" valign="top"></td></tr>
400      <tr><td class="lineno" valign="top"></td><td class="left">   3.1 of [Part5].</td><td> </td><td class="right">   3.1 of [Part5].</td><td class="lineno" valign="top"></td></tr>
401      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
402      <tr><td class="lineno" valign="top"></td><td class="left">8.3.  Redirection 3xx</td><td> </td><td class="right">8.3.  Redirection 3xx</td><td class="lineno" valign="top"></td></tr>
403      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
404      <tr><td class="lineno" valign="top"></td><td class="left">   This class of status code indicates that further action needs to be</td><td> </td><td class="right">   This class of status code indicates that further action needs to be</td><td class="lineno" valign="top"></td></tr>
405      <tr><td class="lineno" valign="top"></td><td class="left">   taken by the user agent in order to fulfill the request.  The action</td><td> </td><td class="right">   taken by the user agent in order to fulfill the request.  The action</td><td class="lineno" valign="top"></td></tr>
406      <tr><td class="lineno" valign="top"></td><td class="left">   required MAY be carried out by the user agent without interaction</td><td> </td><td class="right">   required MAY be carried out by the user agent without interaction</td><td class="lineno" valign="top"></td></tr>
407      <tr><td class="lineno" valign="top"></td><td class="left">   with the user if and only if the method used in the second request is</td><td> </td><td class="right">   with the user if and only if the method used in the second request is</td><td class="lineno" valign="top"></td></tr>
408      <tr><td><a name="diff0021" /></td></tr>
409      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">GET or HEAD.</span>  A client SHOULD detect infinite redirection loops,</td><td> </td><td class="rblock">   <span class="insert">known to be "safe", as defined in Section 7.1.1.</span>  A client SHOULD</td><td class="lineno" valign="top"></td></tr>
410      <tr><td class="lineno" valign="top"></td><td class="lblock">   since such loops generate network traffic for each redirection.</td><td> </td><td class="rblock">   detect infinite redirection loops, since such loops generate network</td><td class="lineno" valign="top"></td></tr>
411      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   traffic for each redirection.</td><td class="lineno" valign="top"></td></tr>
412      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
413      <tr><td><a name="diff0022" /></td></tr>
414      <tr><td class="lineno" valign="top"></td><td class="lblock">      Note: <span class="delete">a</span>n earlier version of this specification recommended a</td><td> </td><td class="rblock">      Note: <span class="insert">A</span>n earlier version of this specification recommended a</td><td class="lineno" valign="top"></td></tr>
415      <tr><td class="lineno" valign="top"></td><td class="left">      maximum of five redirections ([RFC2068], Section 10.3).  Content</td><td> </td><td class="right">      maximum of five redirections ([RFC2068], Section 10.3).  Content</td><td class="lineno" valign="top"></td></tr>
416      <tr><td class="lineno" valign="top"></td><td class="left">      developers should be aware that there might be clients that</td><td> </td><td class="right">      developers should be aware that there might be clients that</td><td class="lineno" valign="top"></td></tr>
417      <tr><td class="lineno" valign="top"></td><td class="left">      implement such a fixed limitation.</td><td> </td><td class="right">      implement such a fixed limitation.</td><td class="lineno" valign="top"></td></tr>
418      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
419      <tr><td class="lineno" valign="top"></td><td class="left">8.3.1.  300 Multiple Choices</td><td> </td><td class="right">8.3.1.  300 Multiple Choices</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 requested resource corresponds to any one of a set of</td><td> </td><td class="right">   The requested resource corresponds to any one of a set of</td><td class="lineno" valign="top"></td></tr>
422      <tr><td class="lineno" valign="top"></td><td class="left">   representations, each with its own specific location, and agent-</td><td> </td><td class="right">   representations, each with its own specific location, and agent-</td><td class="lineno" valign="top"></td></tr>
423      <tr><td class="lineno" valign="top"></td><td class="left">   driven negotiation information (Section 4 of [Part3]) is being</td><td> </td><td class="right">   driven negotiation information (Section 4 of [Part3]) is being</td><td class="lineno" valign="top"></td></tr>
424      <tr><td class="lineno" valign="top"></td><td class="left">   provided so that the user (or user agent) can select a preferred</td><td> </td><td class="right">   provided so that the user (or user agent) can select a preferred</td><td class="lineno" valign="top"></td></tr>
425      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
426      <tr bgcolor="gray" ><td></td><th><a name="part-l11" /><small>skipping to change at</small><em> page 31, line 39</em></th><th> </th><th><a name="part-r11" /><small>skipping to change at</small><em> page 31, line 39</em></th><td></td></tr>
427      <tr><td class="lineno" valign="top"></td><td class="left">   Retry-After header.  If no Retry-After is given, the client SHOULD</td><td> </td><td class="right">   Retry-After header.  If no Retry-After is given, the client SHOULD</td><td class="lineno" valign="top"></td></tr>
428      <tr><td class="lineno" valign="top"></td><td class="left">   handle the response as it would for a 500 response.</td><td> </td><td class="right">   handle the response as it would for a 500 response.</td><td class="lineno" valign="top"></td></tr>
429      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
430      <tr><td class="lineno" valign="top"></td><td class="left">      Note: The existence of the 503 status code does not imply that a</td><td> </td><td class="right">      Note: The existence of the 503 status code does not imply that a</td><td class="lineno" valign="top"></td></tr>
431      <tr><td class="lineno" valign="top"></td><td class="left">      server must use it when becoming overloaded.  Some servers may</td><td> </td><td class="right">      server must use it when becoming overloaded.  Some servers may</td><td class="lineno" valign="top"></td></tr>
432      <tr><td class="lineno" valign="top"></td><td class="left">      wish to simply refuse the connection.</td><td> </td><td class="right">      wish to simply refuse the connection.</td><td class="lineno" valign="top"></td></tr>
433      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
434      <tr><td class="lineno" valign="top"></td><td class="left">8.5.5.  504 Gateway Timeout</td><td> </td><td class="right">8.5.5.  504 Gateway Timeout</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">   The server, while acting as a gateway or proxy, did not receive a</td><td> </td><td class="right">   The server, while acting as a gateway or proxy, did not receive a</td><td class="lineno" valign="top"></td></tr>
437      <tr><td><a name="diff0023" /></td></tr>
438      <tr><td class="lineno" valign="top"></td><td class="lblock">   timely response from the upstream server specified by the URI <span class="delete">(e.g.</span></td><td> </td><td class="rblock">   timely response from the upstream server specified by the URI <span class="insert">(e.g.,</span></td><td class="lineno" valign="top"></td></tr>
439      <tr><td class="lineno" valign="top"></td><td class="lblock">   HTTP, FTP, LDAP) or some other auxiliary server <span class="delete">(e.g.</span>  DNS) it needed</td><td> </td><td class="rblock">   HTTP, FTP, LDAP) or some other auxiliary server <span class="insert">(e.g.,</span> DNS) it needed</td><td class="lineno" valign="top"></td></tr>
440      <tr><td class="lineno" valign="top"></td><td class="left">   to access in attempting to complete the request.</td><td> </td><td class="right">   to access in attempting to complete the request.</td><td class="lineno" valign="top"></td></tr>
441      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
442      <tr><td><a name="diff0024" /></td></tr>
443      <tr><td class="lineno" valign="top"></td><td class="lblock">      <span class="delete">Note:</span> Note to implementors: some deployed proxies are known to</td><td> </td><td class="rblock">      Note to implementors: some deployed proxies are known to return</td><td class="lineno" valign="top"></td></tr>
444      <tr><td class="lineno" valign="top"></td><td class="lblock">      return 400 or 500 when DNS lookups time out.</td><td> </td><td class="rblock">      400 or 500 when DNS lookups time out.</td><td class="lineno" valign="top"></td></tr>
445      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
446      <tr><td class="lineno" valign="top"></td><td class="left">8.5.6.  505 HTTP Version Not Supported</td><td> </td><td class="right">8.5.6.  505 HTTP Version Not Supported</td><td class="lineno" valign="top"></td></tr>
447      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
448      <tr><td class="lineno" valign="top"></td><td class="left">   The server does not support, or refuses to support, the protocol</td><td> </td><td class="right">   The server does not support, or refuses to support, the protocol</td><td class="lineno" valign="top"></td></tr>
449      <tr><td class="lineno" valign="top"></td><td class="left">   version that was used in the request message.  The server is</td><td> </td><td class="right">   version that was used in the request message.  The server is</td><td class="lineno" valign="top"></td></tr>
450      <tr><td class="lineno" valign="top"></td><td class="left">   indicating that it is unable or unwilling to complete the request</td><td> </td><td class="right">   indicating that it is unable or unwilling to complete the request</td><td class="lineno" valign="top"></td></tr>
451      <tr><td class="lineno" valign="top"></td><td class="left">   using the same major version as the client, as described in Section</td><td> </td><td class="right">   using the same major version as the client, as described in Section</td><td class="lineno" valign="top"></td></tr>
452      <tr><td class="lineno" valign="top"></td><td class="left">   2.5 of [Part1], other than with this error message.  The response</td><td> </td><td class="right">   2.5 of [Part1], other than with this error message.  The response</td><td class="lineno" valign="top"></td></tr>
453      <tr><td class="lineno" valign="top"></td><td class="left">   SHOULD contain an entity describing why that version is not supported</td><td> </td><td class="right">   SHOULD contain an entity describing why that version is not supported</td><td class="lineno" valign="top"></td></tr>
454      <tr><td class="lineno" valign="top"></td><td class="left">   and what other protocols are supported by that server.</td><td> </td><td class="right">   and what other protocols are supported by that server.</td><td class="lineno" valign="top"></td></tr>
455      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
456      <tr bgcolor="gray" ><td></td><th><a name="part-l12" /><small>skipping to change at</small><em> page 42, line 22</em></th><th> </th><th><a name="part-r12" /><small>skipping to change at</small><em> page 42, line 22</em></th><td></td></tr>
457      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
458      <tr><td class="lineno" valign="top"></td><td class="left">12.  Acknowledgments</td><td> </td><td class="right">12.  Acknowledgments</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">13.  References</td><td> </td><td class="right">13.  References</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 class="lineno" valign="top"></td><td class="left">13.1.  Normative References</td><td> </td><td class="right">13.1.  Normative References</td><td class="lineno" valign="top"></td></tr>
463      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
464      <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>
465      <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>
466      <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>
467      <tr><td><a name="diff0025" /></td></tr>
468      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Message Parsing", <span class="delete">draft-ietf-httpbis-p1-messaging-08</span></td><td> </td><td class="rblock">              and Message Parsing", <span class="insert">draft-ietf-httpbis-p1-messaging-09</span></td><td class="lineno" valign="top"></td></tr>
469      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">October 2009.</span></td><td> </td><td class="rblock">              (work in progress), <span class="insert">March 2010.</span></td><td class="lineno" valign="top"></td></tr>
470      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
471      <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>
472      <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>
473      <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>
474      <tr><td><a name="diff0026" /></td></tr>
475      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Content Negotiation", <span class="delete">draft-ietf-httpbis-p3-payload-08</span></td><td> </td><td class="rblock">              and Content Negotiation", <span class="insert">draft-ietf-httpbis-p3-payload-09</span></td><td class="lineno" valign="top"></td></tr>
476      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">October 2009.</span></td><td> </td><td class="rblock">              (work in progress), <span class="insert">March 2010.</span></td><td class="lineno" valign="top"></td></tr>
477      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
478      <tr><td class="lineno" valign="top"></td><td class="left">   [Part4]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part4]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
479      <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>
480      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 4: Conditional</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 4: Conditional</td><td class="lineno" valign="top"></td></tr>
481      <tr><td><a name="diff0027" /></td></tr>
482      <tr><td class="lineno" valign="top"></td><td class="lblock">              Requests", <span class="delete">draft-ietf-httpbis-p4-conditional-08</span> (work in</td><td> </td><td class="rblock">              Requests", <span class="insert">draft-ietf-httpbis-p4-conditional-09</span> (work in</td><td class="lineno" valign="top"></td></tr>
483      <tr><td class="lineno" valign="top"></td><td class="lblock">              progress), <span class="delete">October 2009.</span></td><td> </td><td class="rblock">              progress), <span class="insert">March 2010.</span></td><td class="lineno" valign="top"></td></tr>
484      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
485      <tr><td class="lineno" valign="top"></td><td class="left">   [Part5]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part5]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
486      <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>
487      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 5: Range Requests and</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 5: Range Requests and</td><td class="lineno" valign="top"></td></tr>
488      <tr><td><a name="diff0028" /></td></tr>
489      <tr><td class="lineno" valign="top"></td><td class="lblock">              Partial Responses", <span class="delete">draft-ietf-httpbis-p5-range-08</span> (work</td><td> </td><td class="rblock">              Partial Responses", <span class="insert">draft-ietf-httpbis-p5-range-09</span> (work</td><td class="lineno" valign="top"></td></tr>
490      <tr><td class="lineno" valign="top"></td><td class="lblock">              in progress), <span class="delete">October 2009.</span></td><td> </td><td class="rblock">              in progress), <span class="insert">March 2010.</span></td><td class="lineno" valign="top"></td></tr>
491      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
492      <tr><td class="lineno" valign="top"></td><td class="left">   [Part6]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part6]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
493      <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>
494      <tr><td class="lineno" valign="top"></td><td class="left">              Nottingham, M., Ed., and J. Reschke, Ed., "HTTP/1.1, part</td><td> </td><td class="right">              Nottingham, M., Ed., and J. Reschke, Ed., "HTTP/1.1, part</td><td class="lineno" valign="top"></td></tr>
495      <tr><td><a name="diff0029" /></td></tr>
496      <tr><td class="lineno" valign="top"></td><td class="lblock">              6: Caching", <span class="delete">draft-ietf-httpbis-p6-cache-08</span> (work in</td><td> </td><td class="rblock">              6: Caching", <span class="insert">draft-ietf-httpbis-p6-cache-09</span> (work in</td><td class="lineno" valign="top"></td></tr>
497      <tr><td class="lineno" valign="top"></td><td class="lblock">              progress), <span class="delete">October 2009.</span></td><td> </td><td class="rblock">              progress), <span class="insert">March 2010.</span></td><td class="lineno" valign="top"></td></tr>
498      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
499      <tr><td class="lineno" valign="top"></td><td class="left">   [Part7]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part7]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
500      <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>
501      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 7: Authentication",</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 7: Authentication",</td><td class="lineno" valign="top"></td></tr>
502      <tr><td><a name="diff0030" /></td></tr>
503      <tr><td class="lineno" valign="top"></td><td class="lblock">              <span class="delete">draft-ietf-httpbis-p7-auth-08</span> (work in progress),</td><td> </td><td class="rblock">              <span class="insert">draft-ietf-httpbis-p7-auth-09</span> (work in progress),</td><td class="lineno" valign="top"></td></tr>
504      <tr><td class="lineno" valign="top"></td><td class="lblock">              <span class="delete">October 2009.</span></td><td> </td><td class="rblock">              <span class="insert">March 2010.</span></td><td class="lineno" valign="top"></td></tr>
505      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
506      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td><td> </td><td class="right">   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td><td class="lineno" valign="top"></td></tr>
507      <tr><td class="lineno" valign="top"></td><td class="left">              Requirement Levels", BCP 14, RFC 2119, March 1997.</td><td> </td><td class="right">              Requirement Levels", BCP 14, RFC 2119, March 1997.</td><td class="lineno" valign="top"></td></tr>
508      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
509      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC5234]  Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax</td><td> </td><td class="right">   [RFC5234]  Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax</td><td class="lineno" valign="top"></td></tr>
510      <tr><td class="lineno" valign="top"></td><td class="left">              Specifications: ABNF", STD 68, RFC 5234, January 2008.</td><td> </td><td class="right">              Specifications: ABNF", STD 68, RFC 5234, January 2008.</td><td class="lineno" valign="top"></td></tr>
511      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
512      <tr><td class="lineno" valign="top"></td><td class="left">13.2.  Informative References</td><td> </td><td class="right">13.2.  Informative References</td><td class="lineno" valign="top"></td></tr>
513      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
514      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC1945]  Berners-Lee, T., Fielding, R., and H. Nielsen, "Hypertext</td><td> </td><td class="right">   [RFC1945]  Berners-Lee, T., Fielding, R., and H. Nielsen, "Hypertext</td><td class="lineno" valign="top"></td></tr>
515      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
516      <tr bgcolor="gray" ><td></td><th><a name="part-l13" /><small>skipping to change at</small><em> page 43, line 46</em></th><th> </th><th><a name="part-r13" /><small>skipping to change at</small><em> page 43, line 46</em></th><td></td></tr>
517      <tr><td class="lineno" valign="top"></td><td class="left">              May 2008.</td><td> </td><td class="right">              May 2008.</td><td class="lineno" valign="top"></td></tr>
518      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
519      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC5322]  Resnick, P., "Internet Message Format", RFC 5322,</td><td> </td><td class="right">   [RFC5322]  Resnick, P., "Internet Message Format", RFC 5322,</td><td class="lineno" valign="top"></td></tr>
520      <tr><td class="lineno" valign="top"></td><td class="left">              October 2008.</td><td> </td><td class="right">              October 2008.</td><td class="lineno" valign="top"></td></tr>
521      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
522      <tr><td class="lineno" valign="top"></td><td class="left">Appendix A.  Compatibility with Previous Versions</td><td> </td><td class="right">Appendix A.  Compatibility with Previous Versions</td><td class="lineno" valign="top"></td></tr>
523      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
524      <tr><td class="lineno" valign="top"></td><td class="left">A.1.  Changes from RFC 2068</td><td> </td><td class="right">A.1.  Changes from RFC 2068</td><td class="lineno" valign="top"></td></tr>
525      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
526      <tr><td class="lineno" valign="top"></td><td class="left">   Clarified which error code should be used for inbound server failures</td><td> </td><td class="right">   Clarified which error code should be used for inbound server failures</td><td class="lineno" valign="top"></td></tr>
527      <tr><td><a name="diff0031" /></td></tr>
528      <tr><td class="lineno" valign="top"></td><td class="lblock">   (e.g.<span class="delete"> </span> DNS failures).  (Section 8.5.5).</td><td> </td><td class="rblock">   (e.g.<span class="insert">,</span> DNS failures).  (Section 8.5.5).</td><td class="lineno" valign="top"></td></tr>
529      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
530      <tr><td class="lineno" valign="top"></td><td class="left">   201 (Created) had a race that required an Etag be sent when a</td><td> </td><td class="right">   201 (Created) had a race that required an Etag be sent when a</td><td class="lineno" valign="top"></td></tr>
531      <tr><td class="lineno" valign="top"></td><td class="left">   resource is first created.  (Section 8.2.2).</td><td> </td><td class="right">   resource is first created.  (Section 8.2.2).</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">   303 (See Also) and 307 (Temporary Redirect) added to address user</td><td> </td><td class="right">   303 (See Also) and 307 (Temporary Redirect) added to address user</td><td class="lineno" valign="top"></td></tr>
534      <tr><td class="lineno" valign="top"></td><td class="left">   agent failure to implement status code 302 properly.  (Section 8.3.4</td><td> </td><td class="right">   agent failure to implement status code 302 properly.  (Section 8.3.4</td><td class="lineno" valign="top"></td></tr>
535      <tr><td class="lineno" valign="top"></td><td class="left">   and 8.3.8)</td><td> </td><td class="right">   and 8.3.8)</td><td class="lineno" valign="top"></td></tr>
536      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
537      <tr><td class="lineno" valign="top"></td><td class="left">   Rewrite of message transmission requirements to make it much harder</td><td> </td><td class="right">   Rewrite of message transmission requirements to make it much harder</td><td class="lineno" valign="top"></td></tr>
538      <tr><td class="lineno" valign="top"></td><td class="left">   for implementors to get it wrong, as the consequences of errors here</td><td> </td><td class="right">   for implementors to get it wrong, as the consequences of errors here</td><td class="lineno" valign="top"></td></tr>
539      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
540      <tr bgcolor="gray" ><td></td><th><a name="part-l14" /><small>skipping to change at</small><em> page 52, line 19</em></th><th> </th><th><a name="part-r14" /><small>skipping to change at</small><em> page 52, line 19</em></th><td></td></tr>
541      <tr><td class="lineno" valign="top"></td><td class="left">      Location vs status 303"</td><td> </td><td class="right">      Location vs status 303"</td><td class="lineno" valign="top"></td></tr>
542      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
543      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/198&gt;: "move IANA</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/198&gt;: "move IANA</td><td class="lineno" valign="top"></td></tr>
544      <tr><td class="lineno" valign="top"></td><td class="left">      registrations for optional status codes"</td><td> </td><td class="right">      registrations for optional status codes"</td><td class="lineno" valign="top"></td></tr>
545      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
546      <tr><td class="lineno" valign="top"></td><td class="left">   Partly resolved issues:</td><td> </td><td class="right">   Partly resolved issues:</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">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/171&gt;: "Are OPTIONS</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/171&gt;: "Are OPTIONS</td><td class="lineno" valign="top"></td></tr>
549      <tr><td class="lineno" valign="top"></td><td class="left">      and TRACE safe?"</td><td> </td><td class="right">      and TRACE safe?"</td><td class="lineno" valign="top"></td></tr>
550      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
551      <tr><td><a name="diff0032" /></td></tr>
552      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">C.10.  Since draft-ietf-httpbis-p2-semantics-08</span></td><td class="lineno" valign="top"></td></tr>
553      <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>
554      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Closed issues:</span></td><td class="lineno" valign="top"></td></tr>
555      <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>
556      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/10&gt;: "Safe Methods</span></td><td class="lineno" valign="top"></td></tr>
557      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      vs Redirection" (we missed the introduction to the 3xx status</span></td><td class="lineno" valign="top"></td></tr>
558      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      codes when fixing this previously)</span></td><td class="lineno" valign="top"></td></tr>
559      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
560      <tr><td class="lineno" valign="top"></td><td class="left">Index</td><td> </td><td class="right">Index</td><td class="lineno" valign="top"></td></tr>
561      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
562      <tr><td class="lineno" valign="top"></td><td class="left">   1</td><td> </td><td class="right">   1</td><td class="lineno" valign="top"></td></tr>
563      <tr><td class="lineno" valign="top"></td><td class="left">      100 Continue (status code)  20</td><td> </td><td class="right">      100 Continue (status code)  20</td><td class="lineno" valign="top"></td></tr>
564      <tr><td class="lineno" valign="top"></td><td class="left">      101 Switching Protocols (status code)  20</td><td> </td><td class="right">      101 Switching Protocols (status code)  20</td><td class="lineno" valign="top"></td></tr>
565      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
566      <tr><td class="lineno" valign="top"></td><td class="left">   2</td><td> </td><td class="right">   2</td><td class="lineno" valign="top"></td></tr>
567      <tr><td class="lineno" valign="top"></td><td class="left">      200 OK (status code)  21</td><td> </td><td class="right">      200 OK (status code)  21</td><td class="lineno" valign="top"></td></tr>
568      <tr><td class="lineno" valign="top"></td><td class="left">      201 Created (status code)  21</td><td> </td><td class="right">      201 Created (status code)  21</td><td class="lineno" valign="top"></td></tr>
569      <tr><td class="lineno" valign="top"></td><td class="left">      202 Accepted (status code)  22</td><td> </td><td class="right">      202 Accepted (status code)  22</td><td class="lineno" valign="top"></td></tr>
570
571     <tr><td></td><td class="left"></td><td> </td><td class="right"></td><td></td></tr>
572     <tr bgcolor="gray"><th colspan="5" align="center"><a name="end">&nbsp;End of changes. 32 change blocks.&nbsp;</a></th></tr>
573     <tr class="stats"><td></td><th><i>79 lines changed or deleted</i></th><th><i> </i></th><th><i>99 lines changed or added</i></th><td></td></tr>
574     <tr><td colspan="5" align="center" class="small"><br/>This html diff was produced by rfcdiff 1.36. The latest version is available from <a href="http://www.tools.ietf.org/tools/rfcdiff/" >http://tools.ietf.org/tools/rfcdiff/</a> </td></tr>
575   </table>
576   </body>
577   </html>
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