source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p5-range-11-from-10.diff.html @ 1697

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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-p5-range-10.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p5-range-11.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">Intended status: Standards Track                          Alcatel-Lucent</td><td> </td><td class="right">Intended status: Standards Track                          Alcatel-Lucent</td><td class="lineno" valign="top"></td></tr>
44      <tr><td><a name="diff0001" /></td></tr>
45      <tr><td class="lineno" valign="top"></td><td class="lblock">Expires: <span class="delete">January 13</span>, 2011                                       J. Mogul</td><td> </td><td class="rblock">Expires: <span class="insert">February 5</span>, 2011                                       J. Mogul</td><td class="lineno" valign="top"></td></tr>
46      <tr><td class="lineno" valign="top"></td><td class="left">                                                                      HP</td><td> </td><td class="right">                                                                      HP</td><td class="lineno" valign="top"></td></tr>
47      <tr><td class="lineno" valign="top"></td><td class="left">                                                              H. Frystyk</td><td> </td><td class="right">                                                              H. Frystyk</td><td class="lineno" valign="top"></td></tr>
48      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
49      <tr><td class="lineno" valign="top"></td><td class="left">                                                             L. Masinter</td><td> </td><td class="right">                                                             L. Masinter</td><td class="lineno" valign="top"></td></tr>
50      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Adobe Systems</td><td> </td><td class="right">                                                           Adobe Systems</td><td class="lineno" valign="top"></td></tr>
51      <tr><td class="lineno" valign="top"></td><td class="left">                                                                P. Leach</td><td> </td><td class="right">                                                                P. Leach</td><td class="lineno" valign="top"></td></tr>
52      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
53      <tr><td class="lineno" valign="top"></td><td class="left">                                                          T. Berners-Lee</td><td> </td><td class="right">                                                          T. Berners-Lee</td><td class="lineno" valign="top"></td></tr>
54      <tr><td class="lineno" valign="top"></td><td class="left">                                                                 W3C/MIT</td><td> </td><td class="right">                                                                 W3C/MIT</td><td class="lineno" valign="top"></td></tr>
55      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Y. Lafon, Ed.</td><td> </td><td class="right">                                                           Y. Lafon, Ed.</td><td class="lineno" valign="top"></td></tr>
56      <tr><td class="lineno" valign="top"></td><td class="left">                                                                     W3C</td><td> </td><td class="right">                                                                     W3C</td><td class="lineno" valign="top"></td></tr>
57      <tr><td class="lineno" valign="top"></td><td class="left">                                                         J. Reschke, Ed.</td><td> </td><td class="right">                                                         J. Reschke, Ed.</td><td class="lineno" valign="top"></td></tr>
58      <tr><td class="lineno" valign="top"></td><td class="left">                                                              greenbytes</td><td> </td><td class="right">                                                              greenbytes</td><td class="lineno" valign="top"></td></tr>
59      <tr><td><a name="diff0002" /></td></tr>
60      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                          <span class="delete"> July 12</span>, 2010</td><td> </td><td class="rblock">                                                          <span class="insert">August 4</span>, 2010</td><td class="lineno" valign="top"></td></tr>
61      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
62      <tr><td class="lineno" valign="top"></td><td class="left">         HTTP/1.1, part 5: Range Requests and Partial Responses</td><td> </td><td class="right">         HTTP/1.1, part 5: Range Requests and Partial Responses</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-p5-range-1<span class="delete">0</span></td><td> </td><td class="rblock">                     draft-ietf-httpbis-p5-range-1<span class="insert">1</span></td><td class="lineno" valign="top"></td></tr>
65      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
66      <tr><td class="lineno" valign="top"></td><td class="left">Abstract</td><td> </td><td class="right">Abstract</td><td class="lineno" valign="top"></td></tr>
67      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
68      <tr><td class="lineno" valign="top"></td><td class="left">   The Hypertext Transfer Protocol (HTTP) is an application-level</td><td> </td><td class="right">   The Hypertext Transfer Protocol (HTTP) is an application-level</td><td class="lineno" valign="top"></td></tr>
69      <tr><td class="lineno" valign="top"></td><td class="left">   protocol for distributed, collaborative, hypermedia information</td><td> </td><td class="right">   protocol for distributed, collaborative, hypermedia information</td><td class="lineno" valign="top"></td></tr>
70      <tr><td class="lineno" valign="top"></td><td class="left">   systems.  HTTP has been in use by the World Wide Web global</td><td> </td><td class="right">   systems.  HTTP has been in use by the World Wide Web global</td><td class="lineno" valign="top"></td></tr>
71      <tr><td class="lineno" valign="top"></td><td class="left">   information initiative since 1990.  This document is Part 5 of the</td><td> </td><td class="right">   information initiative since 1990.  This document is Part 5 of the</td><td class="lineno" valign="top"></td></tr>
72      <tr><td class="lineno" valign="top"></td><td class="left">   seven-part specification that defines the protocol referred to as</td><td> </td><td class="right">   seven-part specification that defines the protocol referred to as</td><td class="lineno" valign="top"></td></tr>
73      <tr><td class="lineno" valign="top"></td><td class="left">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 5 defines</td><td> </td><td class="right">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 5 defines</td><td class="lineno" valign="top"></td></tr>
74      <tr><td class="lineno" valign="top"></td><td class="left">   range-specific requests and the rules for constructing and combining</td><td> </td><td class="right">   range-specific requests and the rules for constructing and combining</td><td class="lineno" valign="top"></td></tr>
75      <tr><td class="lineno" valign="top"></td><td class="left">   responses to those requests.</td><td> </td><td class="right">   responses to those requests.</td><td class="lineno" valign="top"></td></tr>
76      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
77      <tr><td class="lineno" valign="top"></td><td class="left">Editorial Note (To be removed by RFC Editor)</td><td> </td><td class="right">Editorial Note (To be removed by RFC Editor)</td><td class="lineno" valign="top"></td></tr>
78      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
79      <tr><td class="lineno" valign="top"></td><td class="left">   Discussion of this draft should take place on the HTTPBIS working</td><td> </td><td class="right">   Discussion of this draft should take place on the HTTPBIS working</td><td class="lineno" valign="top"></td></tr>
80      <tr><td class="lineno" valign="top"></td><td class="left">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</td><td> </td><td class="right">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</td><td class="lineno" valign="top"></td></tr>
81      <tr><td class="lineno" valign="top"></td><td class="left">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/3&gt; and related</td><td> </td><td class="right">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/3&gt; and related</td><td class="lineno" valign="top"></td></tr>
82      <tr><td class="lineno" valign="top"></td><td class="left">   documents (including fancy diffs) can be found at</td><td> </td><td class="right">   documents (including fancy diffs) can be found at</td><td class="lineno" valign="top"></td></tr>
83      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td> </td><td class="right">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td class="lineno" valign="top"></td></tr>
84      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
85      <tr><td><a name="diff0004" /></td></tr>
86      <tr><td class="lineno" valign="top"></td><td class="lblock">   The changes in this draft are summarized in Appendix D.1<span class="delete">1</span>.</td><td> </td><td class="rblock">   The changes in this draft are summarized in Appendix D.1<span class="insert">2</span>.</td><td class="lineno" valign="top"></td></tr>
87      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
88      <tr><td class="lineno" valign="top"></td><td class="left">Status of This Memo</td><td> </td><td class="right">Status of This Memo</td><td class="lineno" valign="top"></td></tr>
89      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
90      <tr><td class="lineno" valign="top"></td><td class="left">   This Internet-Draft is submitted in full conformance with the</td><td> </td><td class="right">   This Internet-Draft is submitted in full conformance with the</td><td class="lineno" valign="top"></td></tr>
91      <tr><td class="lineno" valign="top"></td><td class="left">   provisions of BCP 78 and BCP 79.</td><td> </td><td class="right">   provisions of BCP 78 and BCP 79.</td><td class="lineno" valign="top"></td></tr>
92      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
93      <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>
94      <tr><td class="lineno" valign="top"></td><td class="left">   Task Force (IETF).  Note that other groups may also distribute</td><td> </td><td class="right">   Task Force (IETF).  Note that other groups may also distribute</td><td class="lineno" valign="top"></td></tr>
95      <tr><td class="lineno" valign="top"></td><td class="left">   working documents as Internet-Drafts.  The list of current Internet-</td><td> </td><td class="right">   working documents as Internet-Drafts.  The list of current Internet-</td><td class="lineno" valign="top"></td></tr>
96      <tr><td class="lineno" valign="top"></td><td class="left">   Drafts is at http://datatracker.ietf.org/drafts/current/.</td><td> </td><td class="right">   Drafts is at http://datatracker.ietf.org/drafts/current/.</td><td class="lineno" valign="top"></td></tr>
97      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
98      <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>
99      <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>
100      <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>
101      <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>
102      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
103      <tr><td><a name="diff0005" /></td></tr>
104      <tr><td class="lineno" valign="top"></td><td class="lblock">   This Internet-Draft will expire on <span class="delete">January 13</span>, 2011.</td><td> </td><td class="rblock">   This Internet-Draft will expire on <span class="insert">February 5</span>, 2011.</td><td class="lineno" valign="top"></td></tr>
105      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
106      <tr><td class="lineno" valign="top"></td><td class="left">Copyright Notice</td><td> </td><td class="right">Copyright Notice</td><td class="lineno" valign="top"></td></tr>
107      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
108      <tr><td class="lineno" valign="top"></td><td class="left">   Copyright (c) 2010 IETF Trust and the persons identified as the</td><td> </td><td class="right">   Copyright (c) 2010 IETF Trust and the persons identified as the</td><td class="lineno" valign="top"></td></tr>
109      <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>
110      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
111      <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>
112      <tr><td class="lineno" valign="top"></td><td class="left">   Provisions Relating to IETF Documents</td><td> </td><td class="right">   Provisions Relating to IETF Documents</td><td class="lineno" valign="top"></td></tr>
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114      <tr><td class="lineno" valign="top"></td><td class="left">   publication of this document.  Please review these documents</td><td> </td><td class="right">   publication of this document.  Please review these documents</td><td class="lineno" valign="top"></td></tr>
115      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
116      <tr bgcolor="gray" ><td></td><th><a name="part-l2" /><small>skipping to change at</small><em> page 3, line 7</em></th><th> </th><th><a name="part-r2" /><small>skipping to change at</small><em> page 3, line 7</em></th><td></td></tr>
117      <tr><td class="lineno" valign="top"></td><td class="left">   modifications of such material outside the IETF Standards Process.</td><td> </td><td class="right">   modifications of such material outside the IETF Standards Process.</td><td class="lineno" valign="top"></td></tr>
118      <tr><td class="lineno" valign="top"></td><td class="left">   Without obtaining an adequate license from the person(s) controlling</td><td> </td><td class="right">   Without obtaining an adequate license from the person(s) controlling</td><td class="lineno" valign="top"></td></tr>
119      <tr><td class="lineno" valign="top"></td><td class="left">   the copyright in such materials, this document may not be modified</td><td> </td><td class="right">   the copyright in such materials, this document may not be modified</td><td class="lineno" valign="top"></td></tr>
120      <tr><td class="lineno" valign="top"></td><td class="left">   outside the IETF Standards Process, and derivative works of it may</td><td> </td><td class="right">   outside the IETF Standards Process, and derivative works of it may</td><td class="lineno" valign="top"></td></tr>
121      <tr><td class="lineno" valign="top"></td><td class="left">   not be created outside the IETF Standards Process, except to format</td><td> </td><td class="right">   not be created outside the IETF Standards Process, except to format</td><td class="lineno" valign="top"></td></tr>
122      <tr><td class="lineno" valign="top"></td><td class="left">   it for publication as an RFC or to translate it into languages other</td><td> </td><td class="right">   it for publication as an RFC or to translate it into languages other</td><td class="lineno" valign="top"></td></tr>
123      <tr><td class="lineno" valign="top"></td><td class="left">   than English.</td><td> </td><td class="right">   than English.</td><td class="lineno" valign="top"></td></tr>
124      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
125      <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>
126      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
127      <tr><td><a name="diff0006" /></td></tr>
128      <tr><td class="lineno" valign="top"></td><td class="lblock">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">4</span></td><td> </td><td class="rblock">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
129      <tr><td class="lineno" valign="top"></td><td class="lblock">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">4</span></td><td> </td><td class="rblock">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
130      <tr><td class="lineno" valign="top"></td><td class="lblock">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  <span class="delete">4</span></td><td> </td><td class="rblock">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  <span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
131      <tr><td class="lineno" valign="top"></td><td class="lblock">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
132      <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>
133      <tr><td><a name="diff0007" /></td></tr>
134      <tr><td class="lineno" valign="top"></td><td class="lblock">               Specification  . . . . . . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock">               Specification  . . . . . . . . . . . . . . . . . . . .  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
135      <tr><td class="lineno" valign="top"></td><td class="lblock">   2.  Range Units  . . . . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock">   2.  Range Units  . . . . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
136      <tr><td class="lineno" valign="top"></td><td class="lblock">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock"><span class="insert">     2.1.  Range Specifier Registry . . . . . . . . . . . . . . . . .  6</span></td><td class="lineno" valign="top"></td></tr>
137      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.1.  206 Partial Content  . . . . . . . . . . . . . . . . . . .  <span class="delete">6</span></td><td> </td><td class="rblock">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
138      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.2.  416 Requested Range Not Satisfiable  . . . . . . . . . . .  <span class="delete">6</span></td><td> </td><td class="rblock">     3.1.  206 Partial Content  . . . . . . . . . . . . . . . . . . .  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
139      <tr><td class="lineno" valign="top"></td><td class="lblock">   4.  Combining Ranges . . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">7</span></td><td> </td><td class="rblock">     3.2.  416 Requested Range Not Satisfiable  . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
140      <tr><td class="lineno" valign="top"></td><td class="lblock">   5.  Header Field Definitions . . . . . . . . . . . . . . . . . . .  <span class="delete">7</span></td><td> </td><td class="rblock">   4.  Combining Ranges . . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
141      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.1.  Accept-Ranges  . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">7</span></td><td> </td><td class="rblock">   5.  Header Field Definitions . . . . . . . . . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
142      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.2.  Content-Range  . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">8</span></td><td> </td><td class="rblock">     5.1.  Accept-Ranges  . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
143      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.3.  If-Range . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">10</span></td><td> </td><td class="rblock">     5.2.  Content-Range  . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
144      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.4.  Range  . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">11</span></td><td> </td><td class="rblock">     5.3.  If-Range . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
145      <tr><td class="lineno" valign="top"></td><td class="lblock">       5.4.1.  Byte Ranges  . . . . . . . . . . . . . . . . . . . . . <span class="delete">11</span></td><td> </td><td class="rblock">     5.4.  Range  . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
146      <tr><td class="lineno" valign="top"></td><td class="lblock">       5.4.2.  Range Retrieval Requests . . . . . . . . . . . . . . . <span class="delete">13</span></td><td> </td><td class="rblock">       5.4.1.  Byte Ranges  . . . . . . . . . . . . . . . . . . . . . <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
147      <tr><td class="lineno" valign="top"></td><td class="lblock">   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">       5.4.2.  Range Retrieval Requests . . . . . . . . . . . . . . . <span class="insert">14</span></td><td class="lineno" valign="top"></td></tr>
148      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.1.  Status Code Registration . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . <span class="insert">15</span></td><td class="lineno" valign="top"></td></tr>
149      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.2.  <span class="delete">Message</span> Header Registration  . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">     6.1.  Status Code Registration . . . . . . . . . . . . . . . . . <span class="insert">15</span></td><td class="lineno" valign="top"></td></tr>
150      <tr><td class="lineno" valign="top"></td><td class="lblock">   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">     6.2.  Header <span class="insert">Field</span> Registration  . . . . . . . . . . . . . . . <span class="insert">. 15</span></td><td class="lineno" valign="top"></td></tr>
151      <tr><td class="lineno" valign="top"></td><td class="lblock">   8.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock"><span class="insert">     6.3.  Range Specifier Registration . . . . . . . . . . . . . . . 16</span></td><td class="lineno" valign="top"></td></tr>
152      <tr><td class="lineno" valign="top"></td><td class="lblock">   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">15</span></td><td> </td><td class="rblock">   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
153      <tr><td class="lineno" valign="top"></td><td class="lblock">     9.1.  Normative References . . . . . . . . . . . . . . . . . . . <span class="delete">15</span></td><td> </td><td class="rblock">   8.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
154      <tr><td class="lineno" valign="top"></td><td class="lblock">     9.2.  Informative References . . . . . . . . . . . . . . . . . . <span class="delete">15</span></td><td> </td><td class="rblock">   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
155      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix A.  Internet Media Type multipart/byteranges  . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     9.1.  Normative References . . . . . . . . . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
156      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix B.  Compatibility with Previous Versions  . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     9.2.  Informative References . . . . . . . . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
157      <tr><td class="lineno" valign="top"></td><td class="lblock">     B.1.  Changes from RFC <span class="delete">2068  . . . . . . . . . . . . . . . . . . 18</span></td><td> </td><td class="rblock">   Appendix A.  Internet Media Type multipart/byteranges  . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
158      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">     B.2.  Changes from RFC</span> 2616  . . . . . . . . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">   Appendix B.  Compatibility with Previous Versions  . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
159      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix C.  Collected ABNF  . . . . . . . . . . . . . . . . . . . <span class="delete">19</span></td><td> </td><td class="rblock">     B.1.  Changes from RFC 2616  . . . . . . . . . . . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
160      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   Appendix C.  Collected ABNF  . . . . . . . . . . . . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
161      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix D.  Change Log (to be removed by RFC Editor before</td><td> </td><td class="right">   Appendix D.  Change Log (to be removed by RFC Editor before</td><td class="lineno" valign="top"></td></tr>
162      <tr><td><a name="diff0008" /></td></tr>
163      <tr><td class="lineno" valign="top"></td><td class="lblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="insert">21</span></td><td class="lineno" valign="top"></td></tr>
164      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">     D.1.  Since RFC2616  . . . . . . . . . . . . . . . . . . . . . . <span class="insert">21</span></td><td class="lineno" valign="top"></td></tr>
165      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.2.  Since draft-ietf-httpbis-p5-range-00 . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">     D.2.  Since draft-ietf-httpbis-p5-range-00 . . . . . . . . . . . <span class="insert">21</span></td><td class="lineno" valign="top"></td></tr>
166      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.3.  Since draft-ietf-httpbis-p5-range-01 . . . . . . . . . . . <span class="delete">20</span></td><td> </td><td class="rblock">     D.3.  Since draft-ietf-httpbis-p5-range-01 . . . . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
167      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.4.  Since draft-ietf-httpbis-p5-range-02 . . . . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     D.4.  Since draft-ietf-httpbis-p5-range-02 . . . . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
168      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.5.  Since draft-ietf-httpbis-p5-range-03 . . . . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     D.5.  Since draft-ietf-httpbis-p5-range-03 . . . . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
169      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.6.  Since draft-ietf-httpbis-p5-range-04 . . . . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     D.6.  Since draft-ietf-httpbis-p5-range-04 . . . . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
170      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.7.  Since draft-ietf-httpbis-p5-range-05 . . . . . . . . . . . <span class="delete">21</span></td><td> </td><td class="rblock">     D.7.  Since draft-ietf-httpbis-p5-range-05 . . . . . . . . . . . <span class="insert">22</span></td><td class="lineno" valign="top"></td></tr>
171      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.8.  Since draft-ietf-httpbis-p5-range-06 . . . . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     D.8.  Since draft-ietf-httpbis-p5-range-06 . . . . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
172      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.9.  Since draft-ietf-httpbis-p5-range-07 . . . . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     D.9.  Since draft-ietf-httpbis-p5-range-07 . . . . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
173      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.10. Since draft-ietf-httpbis-p5-range-08 . . . . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     D.10. Since draft-ietf-httpbis-p5-range-08 . . . . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
174      <tr><td class="lineno" valign="top"></td><td class="lblock">     D.11. Since draft-ietf-httpbis-p5-range-09 . . . . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock">     D.11. Since draft-ietf-httpbis-p5-range-09 . . . . . . . . . . . <span class="insert">23</span></td><td class="lineno" valign="top"></td></tr>
175      <tr><td class="lineno" valign="top"></td><td class="lblock">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">22</span></td><td> </td><td class="rblock"><span class="insert">     D.12. Since draft-ietf-httpbis-p5-range-10 . . . . . . . . . . . 23</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">                                                                         </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">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">24</span></td><td class="lineno" valign="top"></td></tr>
178      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
179      <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>
180      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
181      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP clients often encounter interrupted data transfers as a result</td><td> </td><td class="right">   HTTP clients often encounter interrupted data transfers as a result</td><td class="lineno" valign="top"></td></tr>
182      <tr><td class="lineno" valign="top"></td><td class="left">   of cancelled requests or dropped connections.  When a cache has</td><td> </td><td class="right">   of cancelled requests or dropped connections.  When a cache has</td><td class="lineno" valign="top"></td></tr>
183      <tr><td class="lineno" valign="top"></td><td class="left">   stored a partial representation, it is desirable to request the</td><td> </td><td class="right">   stored a partial representation, it is desirable to request the</td><td class="lineno" valign="top"></td></tr>
184      <tr><td class="lineno" valign="top"></td><td class="left">   remainder of that representation in a subsequent request rather than</td><td> </td><td class="right">   remainder of that representation in a subsequent request rather than</td><td class="lineno" valign="top"></td></tr>
185      <tr><td class="lineno" valign="top"></td><td class="left">   transfer the entire representation.  There are also a number of Web</td><td> </td><td class="right">   transfer the entire representation.  There are also a number of Web</td><td class="lineno" valign="top"></td></tr>
186      <tr><td class="lineno" valign="top"></td><td class="left">   applications that benefit from being able to request only a subset of</td><td> </td><td class="right">   applications that benefit from being able to request only a subset of</td><td class="lineno" valign="top"></td></tr>
187      <tr><td class="lineno" valign="top"></td><td class="left">   a larger representation, such as a single page of a very large</td><td> </td><td class="right">   a larger representation, such as a single page of a very large</td><td class="lineno" valign="top"></td></tr>
188      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
189      <tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 5, line 29</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 6, line 29</em></th><td></td></tr>
190      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
191      <tr><td class="lineno" valign="top"></td><td class="left">   The ABNF rules below are defined in other parts:</td><td> </td><td class="right">   The ABNF rules below are defined in other parts:</td><td class="lineno" valign="top"></td></tr>
192      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
193      <tr><td class="lineno" valign="top"></td><td class="left">     HTTP-date  = &lt;HTTP-date, defined in [Part1], Section 6.1&gt;</td><td> </td><td class="right">     HTTP-date  = &lt;HTTP-date, defined in [Part1], Section 6.1&gt;</td><td class="lineno" valign="top"></td></tr>
194      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
195      <tr><td class="lineno" valign="top"></td><td class="left">     entity-tag = &lt;entity-tag, defined in [Part4], Section 2&gt;</td><td> </td><td class="right">     entity-tag = &lt;entity-tag, defined in [Part4], Section 2&gt;</td><td class="lineno" valign="top"></td></tr>
196      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
197      <tr><td class="lineno" valign="top"></td><td class="left">2.  Range Units</td><td> </td><td class="right">2.  Range Units</td><td class="lineno" valign="top"></td></tr>
198      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
199      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP/1.1 allows a client to request that only part (a range of) the</td><td> </td><td class="right">   HTTP/1.1 allows a client to request that only part (a range of) the</td><td class="lineno" valign="top"></td></tr>
200      <tr><td><a name="diff0009" /></td></tr>
201      <tr><td class="lineno" valign="top"></td><td class="lblock">   re<span class="delete">sponse entity</span> be included within the response.  HTTP/1.1 uses range</td><td> </td><td class="rblock">   re<span class="insert">presentation</span> be included within the response.  HTTP/1.1 uses range</td><td class="lineno" valign="top"></td></tr>
202      <tr><td class="lineno" valign="top"></td><td class="left">   units in the Range (Section 5.4) and Content-Range (Section 5.2)</td><td> </td><td class="right">   units in the Range (Section 5.4) and Content-Range (Section 5.2)</td><td class="lineno" valign="top"></td></tr>
203      <tr><td><a name="diff0010" /></td></tr>
204      <tr><td class="lineno" valign="top"></td><td class="lblock">   header fields.  <span class="delete">An entity</span> can be broken down into subranges according</td><td> </td><td class="rblock">   header fields.  <span class="insert">A representation</span> can be broken down into subranges</td><td class="lineno" valign="top"></td></tr>
205      <tr><td class="lineno" valign="top"></td><td class="lblock">   to various structural units.</td><td> </td><td class="rblock">   according to various structural units.</td><td class="lineno" valign="top"></td></tr>
206      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
207      <tr><td class="lineno" valign="top"></td><td class="left">     range-unit       = bytes-unit / other-range-unit</td><td> </td><td class="right">     range-unit       = bytes-unit / other-range-unit</td><td class="lineno" valign="top"></td></tr>
208      <tr><td class="lineno" valign="top"></td><td class="left">     bytes-unit       = "bytes"</td><td> </td><td class="right">     bytes-unit       = "bytes"</td><td class="lineno" valign="top"></td></tr>
209      <tr><td class="lineno" valign="top"></td><td class="left">     other-range-unit = token</td><td> </td><td class="right">     other-range-unit = token</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">   HTTP/1.1 has been designed to allow implementations of applications</td><td> </td><td class="right">   HTTP/1.1 has been designed to allow implementations of applications</td><td class="lineno" valign="top"></td></tr>
212      <tr><td class="lineno" valign="top"></td><td class="left">   that do not depend on knowledge of ranges.  The only range unit</td><td> </td><td class="right">   that do not depend on knowledge of ranges.  The only range unit</td><td class="lineno" valign="top"></td></tr>
213      <tr><td><a name="diff0011" /></td></tr>
214      <tr><td class="lineno" valign="top"></td><td class="lblock">   defined by HTTP/1.1 is "bytes".</td><td> </td><td class="rblock">   defined by HTTP/1.1 is "bytes".  <span class="insert">Additional specifiers can be defined</span></td><td class="lineno" valign="top"></td></tr>
215      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   as described in Section 2.1.</span></td><td class="lineno" valign="top"></td></tr>
216      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
217      <tr><td class="lineno" valign="top"></td><td class="left">   If a range unit is not understood in a request, a server MUST ignore</td><td> </td><td class="right">   If a range unit is not understood in a request, a server MUST ignore</td><td class="lineno" valign="top"></td></tr>
218      <tr><td class="lineno" valign="top"></td><td class="left">   the whole Range header (Section 5.4).  If a range unit is not</td><td> </td><td class="right">   the whole Range header (Section 5.4).  If a range unit is not</td><td class="lineno" valign="top"></td></tr>
219      <tr><td class="lineno" valign="top"></td><td class="left">   understood in a response, an intermediary SHOULD pass the response to</td><td> </td><td class="right">   understood in a response, an intermediary SHOULD pass the response to</td><td class="lineno" valign="top"></td></tr>
220      <tr><td class="lineno" valign="top"></td><td class="left">   the client; a client MUST fail.</td><td> </td><td class="right">   the client; a client MUST fail.</td><td class="lineno" valign="top"></td></tr>
221      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
222      <tr><td><a name="diff0012" /></td></tr>
223      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">2.1.  Range Specifier Registry</span></td><td class="lineno" valign="top"></td></tr>
224      <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>
225      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   The HTTP Ranger Specifier Registry defines the name space for the</span></td><td class="lineno" valign="top"></td></tr>
226      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   range specifier names.</span></td><td class="lineno" valign="top"></td></tr>
227      <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>
228      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Registrations MUST include the following fields:</span></td><td class="lineno" valign="top"></td></tr>
229      <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>
230      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   o  Name</span></td><td class="lineno" valign="top"></td></tr>
231      <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>
232      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   o  Description</span></td><td class="lineno" valign="top"></td></tr>
233      <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>
234      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   o  Pointer to specification text</span></td><td class="lineno" valign="top"></td></tr>
235      <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>
236      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Values to be added to this name space are subject to IETF review</span></td><td class="lineno" valign="top"></td></tr>
237      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   ([RFC5226], Section 4.1).</span></td><td class="lineno" valign="top"></td></tr>
238      <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>
239      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   The registry itself is maintained at</span></td><td class="lineno" valign="top"></td></tr>
240      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   &lt;http://www.iana.org/assignments/http-range-specifiers&gt;.</span></td><td class="lineno" valign="top"></td></tr>
241      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
242      <tr><td class="lineno" valign="top"></td><td class="left">3.  Status Code Definitions</td><td> </td><td class="right">3.  Status Code Definitions</td><td class="lineno" valign="top"></td></tr>
243      <tr><td><a name="diff0013" /></td></tr>
244      <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>
245      <tr><td class="lineno" valign="top"></td><td class="left">3.1.  206 Partial Content</td><td> </td><td class="right">3.1.  206 Partial Content</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">   The server has fulfilled the partial GET request for the resource.</td><td> </td><td class="right">   The server has fulfilled the partial GET request for the resource.</td><td class="lineno" valign="top"></td></tr>
248      <tr><td class="lineno" valign="top"></td><td class="left">   The request MUST have included a Range header field (Section 5.4)</td><td> </td><td class="right">   The request MUST have included a Range header field (Section 5.4)</td><td class="lineno" valign="top"></td></tr>
249      <tr><td class="lineno" valign="top"></td><td class="left">   indicating the desired range, and MAY have included an If-Range</td><td> </td><td class="right">   indicating the desired range, and MAY have included an If-Range</td><td class="lineno" valign="top"></td></tr>
250      <tr><td class="lineno" valign="top"></td><td class="left">   header field (Section 5.3) to make the request conditional.</td><td> </td><td class="right">   header field (Section 5.3) to make the request conditional.</td><td class="lineno" valign="top"></td></tr>
251      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
252      <tr><td class="lineno" valign="top"></td><td class="left">   The response MUST include the following header fields:</td><td> </td><td class="right">   The response MUST include the following header fields:</td><td class="lineno" valign="top"></td></tr>
253      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
254      <tr><td class="lineno" valign="top"></td><td class="left">   o  Either a Content-Range header field (Section 5.2) indicating the</td><td> </td><td class="right">   o  Either a Content-Range header field (Section 5.2) indicating the</td><td class="lineno" valign="top"></td></tr>
255      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
256      <tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 6, line 17</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 7, line 34</em></th><td></td></tr>
257      <tr><td class="lineno" valign="top"></td><td class="left">   The request MUST have included a Range header field (Section 5.4)</td><td> </td><td class="right">   The request MUST have included a Range header field (Section 5.4)</td><td class="lineno" valign="top"></td></tr>
258      <tr><td class="lineno" valign="top"></td><td class="left">   indicating the desired range, and MAY have included an If-Range</td><td> </td><td class="right">   indicating the desired range, and MAY have included an If-Range</td><td class="lineno" valign="top"></td></tr>
259      <tr><td class="lineno" valign="top"></td><td class="left">   header field (Section 5.3) to make the request conditional.</td><td> </td><td class="right">   header field (Section 5.3) to make the request conditional.</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">   The response MUST include the following header fields:</td><td> </td><td class="right">   The response MUST include the following header fields:</td><td class="lineno" valign="top"></td></tr>
262      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
263      <tr><td class="lineno" valign="top"></td><td class="left">   o  Either a Content-Range header field (Section 5.2) indicating the</td><td> </td><td class="right">   o  Either a Content-Range header field (Section 5.2) indicating the</td><td class="lineno" valign="top"></td></tr>
264      <tr><td class="lineno" valign="top"></td><td class="left">      range included with this response, or a multipart/byteranges</td><td> </td><td class="right">      range included with this response, or a multipart/byteranges</td><td class="lineno" valign="top"></td></tr>
265      <tr><td class="lineno" valign="top"></td><td class="left">      Content-Type including Content-Range fields for each part.  If a</td><td> </td><td class="right">      Content-Type including Content-Range fields for each part.  If a</td><td class="lineno" valign="top"></td></tr>
266      <tr><td class="lineno" valign="top"></td><td class="left">      Content-Length header field is present in the response, its value</td><td> </td><td class="right">      Content-Length header field is present in the response, its value</td><td class="lineno" valign="top"></td></tr>
267      <tr><td><a name="diff0014" /></td></tr>
268      <tr><td class="lineno" valign="top"></td><td class="lblock">      MUST match the actual number of <span class="delete">OCTET</span>s transmitted in the message-</td><td> </td><td class="rblock">      MUST match the actual number of <span class="insert">octet</span>s transmitted in the message-</td><td class="lineno" valign="top"></td></tr>
269      <tr><td class="lineno" valign="top"></td><td class="left">      body.</td><td> </td><td class="right">      body.</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">   o  Date</td><td> </td><td class="right">   o  Date</td><td class="lineno" valign="top"></td></tr>
272      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
273      <tr><td><a name="diff0015" /></td></tr>
274      <tr><td class="lineno" valign="top"></td><td class="lblock">   o  <span class="delete">ETag and/or</span> Content-Location, if the header would have been sent</td><td> </td><td class="rblock">   o  <span class="insert">Cache-Control, ETag, Expires,</span> Content-Location, <span class="insert">Last-Modified,</span></td><td class="lineno" valign="top"></td></tr>
275      <tr><td class="lineno" valign="top"></td><td class="lblock">      in a 200 response to the same request</td><td> </td><td class="rblock"><span class="insert">      and/or Vary,</span> if the header <span class="insert">field</span> would have been sent in a 200</td><td class="lineno" valign="top"></td></tr>
276      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                                         </td><td> </td><td class="rblock">      response to the same request</td><td class="lineno" valign="top"></td></tr>
277      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">o  Expires, Cache-Control, and/or Vary, if the field-value might</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
278      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">      differ from that sent in any previous response for the same</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
279      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">      variant</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
280      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
281      <tr><td class="lineno" valign="top"></td><td class="left">   If the 206 response is the result of an If-Range request, the</td><td> </td><td class="right">   If the 206 response is the result of an If-Range request, the</td><td class="lineno" valign="top"></td></tr>
282      <tr><td><a name="diff0016" /></td></tr>
283      <tr><td class="lineno" valign="top"></td><td class="lblock">   response SHOULD NOT include other <span class="delete">entity-headers.</span>  Otherwise, the</td><td> </td><td class="rblock">   response SHOULD NOT include other <span class="insert">representation header fields.</span></td><td class="lineno" valign="top"></td></tr>
284      <tr><td class="lineno" valign="top"></td><td class="lblock">   response MUST include all of the <span class="delete">entity-headers</span> that would have been</td><td> </td><td class="rblock">   Otherwise, the response MUST include all of the <span class="insert">representation header</span></td><td class="lineno" valign="top"></td></tr>
285      <tr><td class="lineno" valign="top"></td><td class="lblock">   returned with a 200 (OK) response to the same request.</td><td> </td><td class="rblock"><span class="insert">   fields</span> that would have been returned with a 200 (OK) response to the</td><td class="lineno" valign="top"></td></tr>
286      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   same request.</td><td class="lineno" valign="top"></td></tr>
287      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
288      <tr><td class="lineno" valign="top"></td><td class="left">   A cache MUST NOT combine a 206 response with other previously cached</td><td> </td><td class="right">   A cache MUST NOT combine a 206 response with other previously cached</td><td class="lineno" valign="top"></td></tr>
289      <tr><td class="lineno" valign="top"></td><td class="left">   content if the ETag or Last-Modified headers do not match exactly,</td><td> </td><td class="right">   content if the ETag or Last-Modified headers do not match exactly,</td><td class="lineno" valign="top"></td></tr>
290      <tr><td class="lineno" valign="top"></td><td class="left">   see Section 4.</td><td> </td><td class="right">   see Section 4.</td><td class="lineno" valign="top"></td></tr>
291      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
292      <tr><td class="lineno" valign="top"></td><td class="left">   A cache that does not support the Range and Content-Range headers</td><td> </td><td class="right">   A cache that does not support the Range and Content-Range headers</td><td class="lineno" valign="top"></td></tr>
293      <tr><td class="lineno" valign="top"></td><td class="left">   MUST NOT cache 206 (Partial Content) responses.  Furthermore, if a</td><td> </td><td class="right">   MUST NOT cache 206 (Partial Content) responses.  Furthermore, if a</td><td class="lineno" valign="top"></td></tr>
294      <tr><td class="lineno" valign="top"></td><td class="left">   response uses a range unit that is not understood by the cache, then</td><td> </td><td class="right">   response uses a range unit that is not understood by the cache, then</td><td class="lineno" valign="top"></td></tr>
295      <tr><td class="lineno" valign="top"></td><td class="left">   it MUST NOT be cached either.</td><td> </td><td class="right">   it MUST NOT be cached either.</td><td class="lineno" valign="top"></td></tr>
296      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
297      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
298      <tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 7, line 4</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 8, line 19</em></th><td></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">3.2.  416 Requested Range Not Satisfiable</td><td> </td><td class="right">3.2.  416 Requested Range Not Satisfiable</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">   A server SHOULD return a response with this status code if a request</td><td> </td><td class="right">   A server SHOULD return a response with this status code if a request</td><td class="lineno" valign="top"></td></tr>
303      <tr><td class="lineno" valign="top"></td><td class="left">   included a Range request-header field (Section 5.4), and none of the</td><td> </td><td class="right">   included a Range request-header field (Section 5.4), and none of the</td><td class="lineno" valign="top"></td></tr>
304      <tr><td class="lineno" valign="top"></td><td class="left">   ranges-specifier values in this field overlap the current extent of</td><td> </td><td class="right">   ranges-specifier values in this field overlap the current extent of</td><td class="lineno" valign="top"></td></tr>
305      <tr><td class="lineno" valign="top"></td><td class="left">   the selected resource, and the request did not include an If-Range</td><td> </td><td class="right">   the selected resource, and the request did not include an If-Range</td><td class="lineno" valign="top"></td></tr>
306      <tr><td class="lineno" valign="top"></td><td class="left">   request-header field (Section 5.3).  (For byte-ranges, this means</td><td> </td><td class="right">   request-header field (Section 5.3).  (For byte-ranges, this means</td><td class="lineno" valign="top"></td></tr>
307      <tr><td class="lineno" valign="top"></td><td class="left">   that the first-byte-pos of all of the byte-range-spec values were</td><td> </td><td class="right">   that the first-byte-pos of all of the byte-range-spec values were</td><td class="lineno" valign="top"></td></tr>
308      <tr><td class="lineno" valign="top"></td><td class="left">   greater than the current length of the selected resource.)</td><td> </td><td class="right">   greater than the current length of the selected resource.)</td><td class="lineno" valign="top"></td></tr>
309      <tr><td><a name="diff0017" /></td></tr>
310      <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>
311      <tr><td class="lineno" valign="top"></td><td class="left">   When this status code is returned for a byte-range request, the</td><td> </td><td class="right">   When this status code is returned for a byte-range request, the</td><td class="lineno" valign="top"></td></tr>
312      <tr><td><a name="diff0018" /></td></tr>
313      <tr><td class="lineno" valign="top"></td><td class="lblock">   response SHOULD include a Content-Range <span class="delete">entity-header</span> field</td><td> </td><td class="rblock">   response SHOULD include a Content-Range <span class="insert">header</span> field specifying the</td><td class="lineno" valign="top"></td></tr>
314      <tr><td class="lineno" valign="top"></td><td class="lblock">   specifying the current length of the <span class="delete">selected resource</span> (see</td><td> </td><td class="rblock">   current length of the <span class="insert">representation</span> (see Section 5.2).  This</td><td class="lineno" valign="top"></td></tr>
315      <tr><td class="lineno" valign="top"></td><td class="lblock">   Section 5.2).  This response MUST NOT use the multipart/byteranges</td><td> </td><td class="rblock">   response MUST NOT use the multipart/byteranges content-type.</td><td class="lineno" valign="top"></td></tr>
316      <tr><td class="lineno" valign="top"></td><td class="lblock">   content-type.</td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
317      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
318      <tr><td class="lineno" valign="top"></td><td class="left">4.  Combining Ranges</td><td> </td><td class="right">4.  Combining Ranges</td><td class="lineno" valign="top"></td></tr>
319      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
320      <tr><td><a name="diff0019" /></td></tr>
321      <tr><td class="lineno" valign="top"></td><td class="lblock">   A response might transfer only a subrange of a<span class="delete">n entity-body</span>, either</td><td> </td><td class="rblock">   A response might transfer only a subrange of a<span class="insert"> representation</span>, either</td><td class="lineno" valign="top"></td></tr>
322      <tr><td class="lineno" valign="top"></td><td class="left">   because the request included one or more Range specifications, or</td><td> </td><td class="right">   because the request included one or more Range specifications, or</td><td class="lineno" valign="top"></td></tr>
323      <tr><td><a name="diff0020" /></td></tr>
324      <tr><td class="lineno" valign="top"></td><td class="lblock">   because a connection <span class="delete">was broken</span> prematurely.  After several such</td><td> </td><td class="rblock">   because a connection <span class="insert">closed</span> prematurely.  After several such</td><td class="lineno" valign="top"></td></tr>
325      <tr><td class="lineno" valign="top"></td><td class="left">   transfers, a cache might have received several ranges of the same</td><td> </td><td class="right">   transfers, a cache might have received several ranges of the same</td><td class="lineno" valign="top"></td></tr>
326      <tr><td><a name="diff0021" /></td></tr>
327      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">entity-body</span>.</td><td> </td><td class="rblock">   <span class="insert">representation</span>.</td><td class="lineno" valign="top"></td></tr>
328      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
329      <tr><td><a name="diff0022" /></td></tr>
330      <tr><td class="lineno" valign="top"></td><td class="lblock">   If a cache has a stored non-empty set of subranges for <span class="delete">an entity,</span> and</td><td> </td><td class="rblock">   If a cache has a stored non-empty set of subranges for <span class="insert">a</span></td><td class="lineno" valign="top"></td></tr>
331      <tr><td class="lineno" valign="top"></td><td class="lblock">   an incoming response transfers another subrange, the cache MAY</td><td> </td><td class="rblock"><span class="insert">   representation,</span> and an incoming response transfers another subrange,</td><td class="lineno" valign="top"></td></tr>
332      <tr><td class="lineno" valign="top"></td><td class="lblock">   combine the new subrange with the existing set if both the following</td><td> </td><td class="rblock">   the cache MAY combine the new subrange with the existing set if both</td><td class="lineno" valign="top"></td></tr>
333      <tr><td class="lineno" valign="top"></td><td class="lblock">   conditions are met:</td><td> </td><td class="rblock">   the following conditions are met:</td><td class="lineno" valign="top"></td></tr>
334      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
335      <tr><td class="lineno" valign="top"></td><td class="left">   o  Both the incoming response and the cache entry have a cache</td><td> </td><td class="right">   o  Both the incoming response and the cache entry have a cache</td><td class="lineno" valign="top"></td></tr>
336      <tr><td class="lineno" valign="top"></td><td class="left">      validator.</td><td> </td><td class="right">      validator.</td><td class="lineno" valign="top"></td></tr>
337      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
338      <tr><td class="lineno" valign="top"></td><td class="left">   o  The two cache validators match using the strong comparison</td><td> </td><td class="right">   o  The two cache validators match using the strong comparison</td><td class="lineno" valign="top"></td></tr>
339      <tr><td class="lineno" valign="top"></td><td class="left">      function (see Section 4 of [Part4]).</td><td> </td><td class="right">      function (see Section 4 of [Part4]).</td><td class="lineno" valign="top"></td></tr>
340      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
341      <tr><td class="lineno" valign="top"></td><td class="left">   If either requirement is not met, the cache MUST use only the most</td><td> </td><td class="right">   If either requirement is not met, the cache MUST use only the most</td><td class="lineno" valign="top"></td></tr>
342      <tr><td class="lineno" valign="top"></td><td class="left">   recent partial response (based on the Date values transmitted with</td><td> </td><td class="right">   recent partial response (based on the Date values transmitted with</td><td class="lineno" valign="top"></td></tr>
343      <tr><td class="lineno" valign="top"></td><td class="left">   every response, and using the incoming response if these values are</td><td> </td><td class="right">   every response, and using the incoming response if these values are</td><td class="lineno" valign="top"></td></tr>
344      <tr><td class="lineno" valign="top"></td><td class="left">   equal or missing), and MUST discard the other partial information.</td><td> </td><td class="right">   equal or missing), and MUST discard the other partial information.</td><td class="lineno" valign="top"></td></tr>
345      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
346      <tr><td class="lineno" valign="top"></td><td class="left">5.  Header Field Definitions</td><td> </td><td class="right">5.  Header Field Definitions</td><td class="lineno" valign="top"></td></tr>
347      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
348      <tr><td class="lineno" valign="top"></td><td class="left">   This section defines the syntax and semantics of HTTP/1.1 header</td><td> </td><td class="right">   This section defines the syntax and semantics of HTTP/1.1 header</td><td class="lineno" valign="top"></td></tr>
349      <tr><td class="lineno" valign="top"></td><td class="left">   fields related to range requests and partial responses.</td><td> </td><td class="right">   fields related to range requests and partial responses.</td><td class="lineno" valign="top"></td></tr>
350      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
351      <tr><td><a name="diff0023" /></td></tr>
352      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">For entity-header fields, both sender and recipient refer to either</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
353      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   the client or the server, depending on who sends and who receives the</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
354      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   entity.</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
355      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                                         </td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
356      <tr><td class="lineno" valign="top"></td><td class="left">5.1.  Accept-Ranges</td><td> </td><td class="right">5.1.  Accept-Ranges</td><td class="lineno" valign="top"></td></tr>
357      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
358      <tr><td class="lineno" valign="top"></td><td class="left">   The "Accept-Ranges" response-header field allows a resource to</td><td> </td><td class="right">   The "Accept-Ranges" response-header field allows a resource to</td><td class="lineno" valign="top"></td></tr>
359      <tr><td class="lineno" valign="top"></td><td class="left">   indicate its acceptance of range requests.</td><td> </td><td class="right">   indicate its acceptance of range requests.</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">     Accept-Ranges     = "Accept-Ranges" ":" OWS Accept-Ranges-v</td><td> </td><td class="right">     Accept-Ranges     = "Accept-Ranges" ":" OWS Accept-Ranges-v</td><td class="lineno" valign="top"></td></tr>
362      <tr><td class="lineno" valign="top"></td><td class="left">     Accept-Ranges-v   = acceptable-ranges</td><td> </td><td class="right">     Accept-Ranges-v   = acceptable-ranges</td><td class="lineno" valign="top"></td></tr>
363      <tr><td class="lineno" valign="top"></td><td class="left">     acceptable-ranges = 1#range-unit / "none"</td><td> </td><td class="right">     acceptable-ranges = 1#range-unit / "none"</td><td class="lineno" valign="top"></td></tr>
364      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
365      <tr><td class="lineno" valign="top"></td><td class="left">   Origin servers that accept byte-range requests MAY send</td><td> </td><td class="right">   Origin servers that accept byte-range requests MAY send</td><td class="lineno" valign="top"></td></tr>
366      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
367      <tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 8, line 22</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 9, line 31</em></th><td></td></tr>
368      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
369      <tr><td class="lineno" valign="top"></td><td class="left">   Servers that do not accept any kind of range request for a resource</td><td> </td><td class="right">   Servers that do not accept any kind of range request for a resource</td><td class="lineno" valign="top"></td></tr>
370      <tr><td class="lineno" valign="top"></td><td class="left">   MAY send</td><td> </td><td class="right">   MAY send</td><td class="lineno" valign="top"></td></tr>
371      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
372      <tr><td class="lineno" valign="top"></td><td class="left">     Accept-Ranges: none</td><td> </td><td class="right">     Accept-Ranges: none</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">   to advise the client not to attempt a range request.</td><td> </td><td class="right">   to advise the client not to attempt a range request.</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">5.2.  Content-Range</td><td> </td><td class="right">5.2.  Content-Range</td><td class="lineno" valign="top"></td></tr>
377      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
378      <tr><td><a name="diff0024" /></td></tr>
379      <tr><td class="lineno" valign="top"></td><td class="lblock">   The "Content-Range" <span class="delete">entity-header</span> field is sent with a partial</td><td> </td><td class="rblock">   The "Content-Range" <span class="insert">header</span> field is sent with a partial</td><td class="lineno" valign="top"></td></tr>
380      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">entity-body</span> to specify where in the full <span class="delete">entity-body</span> the <span class="delete">partial</span> body</td><td> </td><td class="rblock">   <span class="insert">representation</span> to specify where in the full <span class="insert">representation</span> the</td><td class="lineno" valign="top"></td></tr>
381      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">should</span> be applied.  Range units are defined in Section 2.</td><td> </td><td class="rblock">   <span class="insert">payload</span> body <span class="insert">is intended to</span> be applied.</td><td class="lineno" valign="top"></td></tr>
382      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
383      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   Range units are defined in Section 2.</td><td class="lineno" valign="top"></td></tr>
384      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
385      <tr><td class="lineno" valign="top"></td><td class="left">     Content-Range = "Content-Range" ":" OWS Content-Range-v</td><td> </td><td class="right">     Content-Range = "Content-Range" ":" OWS Content-Range-v</td><td class="lineno" valign="top"></td></tr>
386      <tr><td class="lineno" valign="top"></td><td class="left">     Content-Range-v = content-range-spec</td><td> </td><td class="right">     Content-Range-v = content-range-spec</td><td class="lineno" valign="top"></td></tr>
387      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
388      <tr><td class="lineno" valign="top"></td><td class="left">     content-range-spec      = byte-content-range-spec</td><td> </td><td class="right">     content-range-spec      = byte-content-range-spec</td><td class="lineno" valign="top"></td></tr>
389      <tr><td class="lineno" valign="top"></td><td class="left">                             / other-content-range-spec</td><td> </td><td class="right">                             / other-content-range-spec</td><td class="lineno" valign="top"></td></tr>
390      <tr><td class="lineno" valign="top"></td><td class="left">     byte-content-range-spec = bytes-unit SP</td><td> </td><td class="right">     byte-content-range-spec = bytes-unit SP</td><td class="lineno" valign="top"></td></tr>
391      <tr><td class="lineno" valign="top"></td><td class="left">                               byte-range-resp-spec "/"</td><td> </td><td class="right">                               byte-range-resp-spec "/"</td><td class="lineno" valign="top"></td></tr>
392      <tr><td class="lineno" valign="top"></td><td class="left">                               ( instance-length / "*" )</td><td> </td><td class="right">                               ( instance-length / "*" )</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"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
395      <tr bgcolor="gray" ><td></td><th><a name="part-l7" /><small>skipping to change at</small><em> page 8, line 42</em></th><th> </th><th><a name="part-r7" /><small>skipping to change at</small><em> page 10, line 4</em></th><td></td></tr>
396      <tr><td class="lineno" valign="top"></td><td class="left">                               byte-range-resp-spec "/"</td><td> </td><td class="right">                               byte-range-resp-spec "/"</td><td class="lineno" valign="top"></td></tr>
397      <tr><td class="lineno" valign="top"></td><td class="left">                               ( instance-length / "*" )</td><td> </td><td class="right">                               ( instance-length / "*" )</td><td class="lineno" valign="top"></td></tr>
398      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
399      <tr><td class="lineno" valign="top"></td><td class="left">     byte-range-resp-spec    = (first-byte-pos "-" last-byte-pos)</td><td> </td><td class="right">     byte-range-resp-spec    = (first-byte-pos "-" last-byte-pos)</td><td class="lineno" valign="top"></td></tr>
400      <tr><td class="lineno" valign="top"></td><td class="left">                             / "*"</td><td> </td><td class="right">                             / "*"</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">     instance-length         = 1*DIGIT</td><td> </td><td class="right">     instance-length         = 1*DIGIT</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">     other-content-range-spec = other-range-unit SP</td><td> </td><td class="right">     other-content-range-spec = other-range-unit SP</td><td class="lineno" valign="top"></td></tr>
405      <tr><td class="lineno" valign="top"></td><td class="left">                                other-range-resp-spec</td><td> </td><td class="right">                                other-range-resp-spec</td><td class="lineno" valign="top"></td></tr>
406      <tr><td><a name="diff0025" /></td></tr>
407      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">                                                                         </span></td><td class="lineno" valign="top"></td></tr>
408      <tr><td class="lineno" valign="top"></td><td class="left">     other-range-resp-spec    = *CHAR</td><td> </td><td class="right">     other-range-resp-spec    = *CHAR</td><td class="lineno" valign="top"></td></tr>
409      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
410      <tr><td><a name="diff0026" /></td></tr>
411      <tr><td class="lineno" valign="top"></td><td class="lblock">   The header SHOULD indicate the total length of the full <span class="delete">entity-body,</span></td><td> </td><td class="rblock">   The header SHOULD indicate the total length of the full</td><td class="lineno" valign="top"></td></tr>
412      <tr><td class="lineno" valign="top"></td><td class="lblock">   unless this length is unknown or difficult to determine.  The</td><td> </td><td class="rblock">   <span class="insert">representation,</span> unless this length is unknown or difficult to</td><td class="lineno" valign="top"></td></tr>
413      <tr><td class="lineno" valign="top"></td><td class="lblock">   asterisk "*" character means that the instance-length is unknown at</td><td> </td><td class="rblock">   determine.  The asterisk "*" character means that the instance-length</td><td class="lineno" valign="top"></td></tr>
414      <tr><td class="lineno" valign="top"></td><td class="lblock">   the time when the response was generated.</td><td> </td><td class="rblock">   is unknown at the time when the response was generated.</td><td class="lineno" valign="top"></td></tr>
415      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
416      <tr><td class="lineno" valign="top"></td><td class="left">   Unlike byte-ranges-specifier values (see Section 5.4.1), a byte-</td><td> </td><td class="right">   Unlike byte-ranges-specifier values (see Section 5.4.1), a byte-</td><td class="lineno" valign="top"></td></tr>
417      <tr><td class="lineno" valign="top"></td><td class="left">   range-resp-spec MUST only specify one range, and MUST contain</td><td> </td><td class="right">   range-resp-spec MUST only specify one range, and MUST contain</td><td class="lineno" valign="top"></td></tr>
418      <tr><td class="lineno" valign="top"></td><td class="left">   absolute byte positions for both the first and last byte of the</td><td> </td><td class="right">   absolute byte positions for both the first and last byte of the</td><td class="lineno" valign="top"></td></tr>
419      <tr><td class="lineno" valign="top"></td><td class="left">   range.</td><td> </td><td class="right">   range.</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">   A byte-content-range-spec with a byte-range-resp-spec whose last-</td><td> </td><td class="right">   A byte-content-range-spec with a byte-range-resp-spec whose last-</td><td class="lineno" valign="top"></td></tr>
422      <tr><td class="lineno" valign="top"></td><td class="left">   byte-pos value is less than its first-byte-pos value, or whose</td><td> </td><td class="right">   byte-pos value is less than its first-byte-pos value, or whose</td><td class="lineno" valign="top"></td></tr>
423      <tr><td class="lineno" valign="top"></td><td class="left">   instance-length value is less than or equal to its last-byte-pos</td><td> </td><td class="right">   instance-length value is less than or equal to its last-byte-pos</td><td class="lineno" valign="top"></td></tr>
424      <tr><td class="lineno" valign="top"></td><td class="left">   value, is invalid.  The recipient of an invalid byte-content-range-</td><td> </td><td class="right">   value, is invalid.  The recipient of an invalid byte-content-range-</td><td class="lineno" valign="top"></td></tr>
425      <tr><td class="lineno" valign="top"></td><td class="left">   spec MUST ignore it and any content transferred along with it.</td><td> </td><td class="right">   spec MUST ignore it and any content transferred along with it.</td><td class="lineno" valign="top"></td></tr>
426      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
427      <tr><td class="lineno" valign="top"></td><td class="left">   In the case of a byte range request: A server sending a response with</td><td> </td><td class="right">   In the case of a byte range request: A server sending a response with</td><td class="lineno" valign="top"></td></tr>
428      <tr><td class="lineno" valign="top"></td><td class="left">   status code 416 (Requested range not satisfiable) SHOULD include a</td><td> </td><td class="right">   status code 416 (Requested range not satisfiable) SHOULD include a</td><td class="lineno" valign="top"></td></tr>
429      <tr><td class="lineno" valign="top"></td><td class="left">   Content-Range field with a byte-range-resp-spec of "*".  The</td><td> </td><td class="right">   Content-Range field with a byte-range-resp-spec of "*".  The</td><td class="lineno" valign="top"></td></tr>
430      <tr><td class="lineno" valign="top"></td><td class="left">   instance-length specifies the current length of the selected</td><td> </td><td class="right">   instance-length specifies the current length of the selected</td><td class="lineno" valign="top"></td></tr>
431      <tr><td class="lineno" valign="top"></td><td class="left">   resource.  A response with status code 206 (Partial Content) MUST NOT</td><td> </td><td class="right">   resource.  A response with status code 206 (Partial Content) MUST NOT</td><td class="lineno" valign="top"></td></tr>
432      <tr><td class="lineno" valign="top"></td><td class="left">   include a Content-Range field with a byte-range-resp-spec of "*".</td><td> </td><td class="right">   include a Content-Range field with a byte-range-resp-spec of "*".</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><a name="diff0027" /></td></tr>
435      <tr><td class="lineno" valign="top"></td><td class="lblock">   Examples of byte-content-range-spec values, assuming that the <span class="delete">entity</span></td><td> </td><td class="rblock">   Examples of byte-content-range-spec values, assuming that the</td><td class="lineno" valign="top"></td></tr>
436      <tr><td class="lineno" valign="top"></td><td class="lblock">   contains a total of 1234 bytes:</td><td> </td><td class="rblock">   <span class="insert">representation</span> contains a total of 1234 bytes:</td><td class="lineno" valign="top"></td></tr>
437      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
438      <tr><td class="lineno" valign="top"></td><td class="left">   o  The first 500 bytes:</td><td> </td><td class="right">   o  The first 500 bytes:</td><td class="lineno" valign="top"></td></tr>
439      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
440      <tr><td class="lineno" valign="top"></td><td class="left">        bytes 0-499/1234</td><td> </td><td class="right">        bytes 0-499/1234</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 class="lineno" valign="top"></td><td class="left">   o  The second 500 bytes:</td><td> </td><td class="right">   o  The second 500 bytes:</td><td class="lineno" valign="top"></td></tr>
443      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
444      <tr><td class="lineno" valign="top"></td><td class="left">        bytes 500-999/1234</td><td> </td><td class="right">        bytes 500-999/1234</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">   o  All except for the first 500 bytes:</td><td> </td><td class="right">   o  All except for the first 500 bytes:</td><td class="lineno" valign="top"></td></tr>
447      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
448      <tr bgcolor="gray" ><td></td><th><a name="part-l8" /><small>skipping to change at</small><em> page 10, line 5</em></th><th> </th><th><a name="part-r8" /><small>skipping to change at</small><em> page 11, line 17</em></th><td></td></tr>
449      <tr><td class="lineno" valign="top"></td><td class="left">     Date: Wed, 15 Nov 1995 06:25:24 GMT</td><td> </td><td class="right">     Date: Wed, 15 Nov 1995 06:25:24 GMT</td><td class="lineno" valign="top"></td></tr>
450      <tr><td class="lineno" valign="top"></td><td class="left">     Last-Modified: Wed, 15 Nov 1995 04:58:08 GMT</td><td> </td><td class="right">     Last-Modified: Wed, 15 Nov 1995 04:58:08 GMT</td><td class="lineno" valign="top"></td></tr>
451      <tr><td class="lineno" valign="top"></td><td class="left">     Content-Range: bytes 21010-47021/47022</td><td> </td><td class="right">     Content-Range: bytes 21010-47021/47022</td><td class="lineno" valign="top"></td></tr>
452      <tr><td class="lineno" valign="top"></td><td class="left">     Content-Length: 26012</td><td> </td><td class="right">     Content-Length: 26012</td><td class="lineno" valign="top"></td></tr>
453      <tr><td class="lineno" valign="top"></td><td class="left">     Content-Type: image/gif</td><td> </td><td class="right">     Content-Type: image/gif</td><td class="lineno" valign="top"></td></tr>
454      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
455      <tr><td class="lineno" valign="top"></td><td class="left">   When an HTTP message includes the content of multiple ranges (for</td><td> </td><td class="right">   When an HTTP message includes the content of multiple ranges (for</td><td class="lineno" valign="top"></td></tr>
456      <tr><td class="lineno" valign="top"></td><td class="left">   example, a response to a request for multiple non-overlapping</td><td> </td><td class="right">   example, a response to a request for multiple non-overlapping</td><td class="lineno" valign="top"></td></tr>
457      <tr><td class="lineno" valign="top"></td><td class="left">   ranges), these are transmitted as a multipart message.  The multipart</td><td> </td><td class="right">   ranges), these are transmitted as a multipart message.  The multipart</td><td class="lineno" valign="top"></td></tr>
458      <tr><td class="lineno" valign="top"></td><td class="left">   media type used for this purpose is "multipart/byteranges" as defined</td><td> </td><td class="right">   media type used for this purpose is "multipart/byteranges" as defined</td><td class="lineno" valign="top"></td></tr>
459      <tr><td><a name="diff0028" /></td></tr>
460      <tr><td class="lineno" valign="top"></td><td class="lblock">   in Appendix A.<span class="delete">  See Appendix B.1 for a compatibility issue.</span></td><td> </td><td class="rblock">   in Appendix A.</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">   A response to a request for a single range MUST NOT be sent using the</td><td> </td><td class="right">   A response to a request for a single range MUST NOT be sent using the</td><td class="lineno" valign="top"></td></tr>
463      <tr><td class="lineno" valign="top"></td><td class="left">   multipart/byteranges media type.  A response to a request for</td><td> </td><td class="right">   multipart/byteranges media type.  A response to a request for</td><td class="lineno" valign="top"></td></tr>
464      <tr><td class="lineno" valign="top"></td><td class="left">   multiple ranges, whose result is a single range, MAY be sent as a</td><td> </td><td class="right">   multiple ranges, whose result is a single range, MAY be sent as a</td><td class="lineno" valign="top"></td></tr>
465      <tr><td class="lineno" valign="top"></td><td class="left">   multipart/byteranges media type with one part.  A client that cannot</td><td> </td><td class="right">   multipart/byteranges media type with one part.  A client that cannot</td><td class="lineno" valign="top"></td></tr>
466      <tr><td class="lineno" valign="top"></td><td class="left">   decode a multipart/byteranges message MUST NOT ask for multiple</td><td> </td><td class="right">   decode a multipart/byteranges message MUST NOT ask for multiple</td><td class="lineno" valign="top"></td></tr>
467      <tr><td class="lineno" valign="top"></td><td class="left">   ranges in a single request.</td><td> </td><td class="right">   ranges in a single request.</td><td class="lineno" valign="top"></td></tr>
468      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
469      <tr><td class="lineno" valign="top"></td><td class="left">   When a client requests multiple ranges in one request, the server</td><td> </td><td class="right">   When a client requests multiple ranges in one request, the server</td><td class="lineno" valign="top"></td></tr>
470      <tr><td class="lineno" valign="top"></td><td class="left">   SHOULD return them in the order that they appeared in the request.</td><td> </td><td class="right">   SHOULD return them in the order that they appeared in the request.</td><td class="lineno" valign="top"></td></tr>
471      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
472      <tr><td class="lineno" valign="top"></td><td class="left">   If the server ignores a byte-range-spec because it is syntactically</td><td> </td><td class="right">   If the server ignores a byte-range-spec because it is syntactically</td><td class="lineno" valign="top"></td></tr>
473      <tr><td class="lineno" valign="top"></td><td class="left">   invalid, the server SHOULD treat the request as if the invalid Range</td><td> </td><td class="right">   invalid, the server SHOULD treat the request as if the invalid Range</td><td class="lineno" valign="top"></td></tr>
474      <tr><td class="lineno" valign="top"></td><td class="left">   header field did not exist.  (Normally, this means return a 200</td><td> </td><td class="right">   header field did not exist.  (Normally, this means return a 200</td><td class="lineno" valign="top"></td></tr>
475      <tr><td><a name="diff0029" /></td></tr>
476      <tr><td class="lineno" valign="top"></td><td class="lblock">   response containing the full <span class="delete">entity</span>).</td><td> </td><td class="rblock">   response containing the full <span class="insert">representation</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">   If the server receives a request (other than one including an If-</td><td> </td><td class="right">   If the server receives a request (other than one including an If-</td><td class="lineno" valign="top"></td></tr>
479      <tr><td class="lineno" valign="top"></td><td class="left">   Range request-header field) with an unsatisfiable Range request-</td><td> </td><td class="right">   Range request-header field) with an unsatisfiable Range request-</td><td class="lineno" valign="top"></td></tr>
480      <tr><td class="lineno" valign="top"></td><td class="left">   header field (that is, all of whose byte-range-spec values have a</td><td> </td><td class="right">   header field (that is, all of whose byte-range-spec values have a</td><td class="lineno" valign="top"></td></tr>
481      <tr><td class="lineno" valign="top"></td><td class="left">   first-byte-pos value greater than the current length of the selected</td><td> </td><td class="right">   first-byte-pos value greater than the current length of the selected</td><td class="lineno" valign="top"></td></tr>
482      <tr><td class="lineno" valign="top"></td><td class="left">   resource), it SHOULD return a response code of 416 (Requested range</td><td> </td><td class="right">   resource), it SHOULD return a response code of 416 (Requested range</td><td class="lineno" valign="top"></td></tr>
483      <tr><td class="lineno" valign="top"></td><td class="left">   not satisfiable) (Section 3.2).</td><td> </td><td class="right">   not satisfiable) (Section 3.2).</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">      Note: Clients cannot depend on servers to send a 416 (Requested</td><td> </td><td class="right">      Note: Clients cannot depend on servers to send a 416 (Requested</td><td class="lineno" valign="top"></td></tr>
486      <tr><td class="lineno" valign="top"></td><td class="left">      range not satisfiable) response instead of a 200 (OK) response for</td><td> </td><td class="right">      range not satisfiable) response instead of a 200 (OK) response for</td><td class="lineno" valign="top"></td></tr>
487      <tr><td class="lineno" valign="top"></td><td class="left">      an unsatisfiable Range request-header, since not all servers</td><td> </td><td class="right">      an unsatisfiable Range request-header, since not all servers</td><td class="lineno" valign="top"></td></tr>
488      <tr><td class="lineno" valign="top"></td><td class="left">      implement this request-header.</td><td> </td><td class="right">      implement this request-header.</td><td class="lineno" valign="top"></td></tr>
489      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
490      <tr><td class="lineno" valign="top"></td><td class="left">5.3.  If-Range</td><td> </td><td class="right">5.3.  If-Range</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><a name="diff0030" /></td></tr>
493      <tr><td class="lineno" valign="top"></td><td class="lblock">   If a client has a partial copy of <span class="delete">an entity</span> in its cache, and wishes</td><td> </td><td class="rblock">   If a client has a partial copy of <span class="insert">a representation</span> in its cache, and</td><td class="lineno" valign="top"></td></tr>
494      <tr><td class="lineno" valign="top"></td><td class="lblock">   to have an up-to-date copy of the entire <span class="delete">entity</span> in its cache, it</td><td> </td><td class="rblock">   wishes to have an up-to-date copy of the entire <span class="insert">representation</span> in its</td><td class="lineno" valign="top"></td></tr>
495      <tr><td class="lineno" valign="top"></td><td class="lblock">   could use the Range request-header with a conditional GET (using</td><td> </td><td class="rblock">   cache, it could use the Range request-header with a conditional GET</td><td class="lineno" valign="top"></td></tr>
496      <tr><td class="lineno" valign="top"></td><td class="lblock">   either or both of If-Unmodified-Since and If-Match.)  However, if the</td><td> </td><td class="rblock">   (using either or both of If-Unmodified-Since and If-Match.)  However,</td><td class="lineno" valign="top"></td></tr>
497      <tr><td class="lineno" valign="top"></td><td class="lblock">   condition fails because the <span class="delete">entity</span> has been modified, the client</td><td> </td><td class="rblock">   if the condition fails because the <span class="insert">representation</span> has been modified,</td><td class="lineno" valign="top"></td></tr>
498      <tr><td class="lineno" valign="top"></td><td class="lblock">   would then have to make a second request to obtain the entire current</td><td> </td><td class="rblock">   the client would then have to make a second request to obtain the</td><td class="lineno" valign="top"></td></tr>
499      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">entity-body.</span></td><td> </td><td class="rblock">   entire current <span class="insert">representation.</span></td><td class="lineno" valign="top"></td></tr>
500      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
501      <tr><td class="lineno" valign="top"></td><td class="left">   The "If-Range" request-header field allows a client to "short-</td><td> </td><td class="right">   The "If-Range" request-header field allows a client to "short-</td><td class="lineno" valign="top"></td></tr>
502      <tr><td class="lineno" valign="top"></td><td class="left">   circuit" the second request.  Informally, its meaning is "if the</td><td> </td><td class="right">   circuit" the second request.  Informally, its meaning is "if the</td><td class="lineno" valign="top"></td></tr>
503      <tr><td><a name="diff0031" /></td></tr>
504      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">entity</span> is unchanged, send me the part(s) that I am missing;</td><td> </td><td class="rblock">   <span class="insert">representation</span> is unchanged, send me the part(s) that I am missing;</td><td class="lineno" valign="top"></td></tr>
505      <tr><td class="lineno" valign="top"></td><td class="lblock">   otherwise, send me the entire new <span class="delete">entity".</span></td><td> </td><td class="rblock">   otherwise, send me the entire new <span class="insert">representation".</span></td><td class="lineno" valign="top"></td></tr>
506      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
507      <tr><td class="lineno" valign="top"></td><td class="left">     If-Range   = "If-Range" ":" OWS If-Range-v</td><td> </td><td class="right">     If-Range   = "If-Range" ":" OWS If-Range-v</td><td class="lineno" valign="top"></td></tr>
508      <tr><td class="lineno" valign="top"></td><td class="left">     If-Range-v = entity-tag / HTTP-date</td><td> </td><td class="right">     If-Range-v = entity-tag / HTTP-date</td><td class="lineno" valign="top"></td></tr>
509      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
510      <tr><td><a name="diff0032" /></td></tr>
511      <tr><td class="lineno" valign="top"></td><td class="lblock">   If the client has no <span class="delete">entity tag</span> for <span class="delete">an entity,</span> but does have a <span class="delete">Last-</span></td><td> </td><td class="rblock">   If the client has no <span class="insert">entity-tag</span> for <span class="insert">a representation,</span> but does have a</td><td class="lineno" valign="top"></td></tr>
512      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Modified</span> date, it MAY use that date in an If-Range header.  (The</td><td> </td><td class="rblock">   <span class="insert">Last-Modified</span> date, it MAY use that date in an If-Range header.  (The</td><td class="lineno" valign="top"></td></tr>
513      <tr><td class="lineno" valign="top"></td><td class="left">   server can distinguish between a valid HTTP-date and any form of</td><td> </td><td class="right">   server can distinguish between a valid HTTP-date and any form of</td><td class="lineno" valign="top"></td></tr>
514      <tr><td class="lineno" valign="top"></td><td class="left">   entity-tag by examining no more than two characters.)  The If-Range</td><td> </td><td class="right">   entity-tag by examining no more than two characters.)  The If-Range</td><td class="lineno" valign="top"></td></tr>
515      <tr><td class="lineno" valign="top"></td><td class="left">   header SHOULD only be used together with a Range header, and MUST be</td><td> </td><td class="right">   header SHOULD only be used together with a Range header, and MUST be</td><td class="lineno" valign="top"></td></tr>
516      <tr><td class="lineno" valign="top"></td><td class="left">   ignored if the request does not include a Range header, or if the</td><td> </td><td class="right">   ignored if the request does not include a Range header, or if the</td><td class="lineno" valign="top"></td></tr>
517      <tr><td class="lineno" valign="top"></td><td class="left">   server does not support the sub-range operation.</td><td> </td><td class="right">   server does not support the sub-range operation.</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><a name="diff0033" /></td></tr>
520      <tr><td class="lineno" valign="top"></td><td class="lblock">   If the <span class="delete">entity tag</span> given in the If-Range header matches the current</td><td> </td><td class="rblock">   If the <span class="insert">entity-tag</span> given in the If-Range header matches the current</td><td class="lineno" valign="top"></td></tr>
521      <tr><td class="lineno" valign="top"></td><td class="lblock">   cache validator for the <span class="delete">entity,</span> then the server SHOULD provide the</td><td> </td><td class="rblock">   cache validator for the <span class="insert">representation,</span> then the server SHOULD</td><td class="lineno" valign="top"></td></tr>
522      <tr><td class="lineno" valign="top"></td><td class="lblock">   specified sub-range of the <span class="delete">entity</span> using a 206 (Partial Content)</td><td> </td><td class="rblock">   provide the specified sub-range of the <span class="insert">representation</span> using a 206</td><td class="lineno" valign="top"></td></tr>
523      <tr><td class="lineno" valign="top"></td><td class="lblock">   response.  If the cache validator does not match, then the server</td><td> </td><td class="rblock">   (Partial Content) response.  If the cache validator does not match,</td><td class="lineno" valign="top"></td></tr>
524      <tr><td class="lineno" valign="top"></td><td class="lblock">   SHOULD return the entire <span class="delete">entity</span> using a 200 (OK) response.</td><td> </td><td class="rblock">   then the server SHOULD return the entire <span class="insert">representation</span> using a 200</td><td class="lineno" valign="top"></td></tr>
525      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   (OK) response.</td><td class="lineno" valign="top"></td></tr>
526      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
527      <tr><td class="lineno" valign="top"></td><td class="left">5.4.  Range</td><td> </td><td class="right">5.4.  Range</td><td class="lineno" valign="top"></td></tr>
528      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
529      <tr><td class="lineno" valign="top"></td><td class="left">5.4.1.  Byte Ranges</td><td> </td><td class="right">5.4.1.  Byte Ranges</td><td class="lineno" valign="top"></td></tr>
530      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
531      <tr><td><a name="diff0034" /></td></tr>
532      <tr><td class="lineno" valign="top"></td><td class="lblock">   Since all HTTP <span class="delete">entities</span> are <span class="delete">represented in HTTP messages</span> as sequences</td><td> </td><td class="rblock">   Since all HTTP <span class="insert">representations</span> are <span class="insert">transferred</span> as sequences of bytes,</td><td class="lineno" valign="top"></td></tr>
533      <tr><td class="lineno" valign="top"></td><td class="lblock">   of bytes, the concept of a byte range is meaningful for any HTTP</td><td> </td><td class="rblock">   the concept of a byte range is meaningful for any HTTP</td><td class="lineno" valign="top"></td></tr>
534      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">entity.</span>  (However, not all clients and servers need to support <span class="delete">byte-</span></td><td> </td><td class="rblock">   <span class="insert">representation.</span>  (However, not all clients and servers need to</td><td class="lineno" valign="top"></td></tr>
535      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   range</span> operations.)</td><td> </td><td class="rblock">   support <span class="insert">byte-range</span> operations.)</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">   Byte range specifications in HTTP apply to the sequence of bytes in</td><td> </td><td class="right">   Byte range specifications in HTTP apply to the sequence of bytes in</td><td class="lineno" valign="top"></td></tr>
538      <tr><td><a name="diff0035" /></td></tr>
539      <tr><td class="lineno" valign="top"></td><td class="lblock">   the <span class="delete">entity-body</span> (not necessarily the same as the <span class="delete">message-body).</span></td><td> </td><td class="rblock">   the <span class="insert">representation body</span> (not necessarily the same as the <span class="insert">message-</span></td><td class="lineno" valign="top"></td></tr>
540      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   body).</span></td><td class="lineno" valign="top"></td></tr>
541      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
542      <tr><td class="lineno" valign="top"></td><td class="left">   A byte range operation MAY specify a single range of bytes, or a set</td><td> </td><td class="right">   A byte range operation MAY specify a single range of bytes, or a set</td><td class="lineno" valign="top"></td></tr>
543      <tr><td><a name="diff0036" /></td></tr>
544      <tr><td class="lineno" valign="top"></td><td class="lblock">   of ranges within a single <span class="delete">entity</span>.</td><td> </td><td class="rblock">   of ranges within a single <span class="insert">representation</span>.</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">     byte-ranges-specifier = bytes-unit "=" byte-range-set</td><td> </td><td class="right">     byte-ranges-specifier = bytes-unit "=" byte-range-set</td><td class="lineno" valign="top"></td></tr>
547      <tr><td class="lineno" valign="top"></td><td class="left">     byte-range-set  = 1#( byte-range-spec / suffix-byte-range-spec )</td><td> </td><td class="right">     byte-range-set  = 1#( byte-range-spec / suffix-byte-range-spec )</td><td class="lineno" valign="top"></td></tr>
548      <tr><td class="lineno" valign="top"></td><td class="left">     byte-range-spec = first-byte-pos "-" [ last-byte-pos ]</td><td> </td><td class="right">     byte-range-spec = first-byte-pos "-" [ last-byte-pos ]</td><td class="lineno" valign="top"></td></tr>
549      <tr><td class="lineno" valign="top"></td><td class="left">     first-byte-pos  = 1*DIGIT</td><td> </td><td class="right">     first-byte-pos  = 1*DIGIT</td><td class="lineno" valign="top"></td></tr>
550      <tr><td class="lineno" valign="top"></td><td class="left">     last-byte-pos   = 1*DIGIT</td><td> </td><td class="right">     last-byte-pos   = 1*DIGIT</td><td class="lineno" valign="top"></td></tr>
551      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
552      <tr><td class="lineno" valign="top"></td><td class="left">   The first-byte-pos value in a byte-range-spec gives the byte-offset</td><td> </td><td class="right">   The first-byte-pos value in a byte-range-spec gives the byte-offset</td><td class="lineno" valign="top"></td></tr>
553      <tr><td class="lineno" valign="top"></td><td class="left">   of the first byte in a range.  The last-byte-pos value gives the</td><td> </td><td class="right">   of the first byte in a range.  The last-byte-pos value gives the</td><td class="lineno" valign="top"></td></tr>
554      <tr><td class="lineno" valign="top"></td><td class="left">   byte-offset of the last byte in the range; that is, the byte</td><td> </td><td class="right">   byte-offset of the last byte in the range; that is, the byte</td><td class="lineno" valign="top"></td></tr>
555      <tr><td class="lineno" valign="top"></td><td class="left">   positions specified are inclusive.  Byte offsets start at zero.</td><td> </td><td class="right">   positions specified are inclusive.  Byte offsets start at zero.</td><td class="lineno" valign="top"></td></tr>
556      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
557      <tr><td class="lineno" valign="top"></td><td class="left">   If the last-byte-pos value is present, it MUST be greater than or</td><td> </td><td class="right">   If the last-byte-pos value is present, it MUST be greater than or</td><td class="lineno" valign="top"></td></tr>
558      <tr><td class="lineno" valign="top"></td><td class="left">   equal to the first-byte-pos in that byte-range-spec, or the byte-</td><td> </td><td class="right">   equal to the first-byte-pos in that byte-range-spec, or the byte-</td><td class="lineno" valign="top"></td></tr>
559      <tr><td class="lineno" valign="top"></td><td class="left">   range-spec is syntactically invalid.  The recipient of a byte-range-</td><td> </td><td class="right">   range-spec is syntactically invalid.  The recipient of a byte-range-</td><td class="lineno" valign="top"></td></tr>
560      <tr><td class="lineno" valign="top"></td><td class="left">   set that includes one or more syntactically invalid byte-range-spec</td><td> </td><td class="right">   set that includes one or more syntactically invalid byte-range-spec</td><td class="lineno" valign="top"></td></tr>
561      <tr><td class="lineno" valign="top"></td><td class="left">   values MUST ignore the header field that includes that byte-range-</td><td> </td><td class="right">   values MUST ignore the header field that includes that byte-range-</td><td class="lineno" valign="top"></td></tr>
562      <tr><td class="lineno" valign="top"></td><td class="left">   set.</td><td> </td><td class="right">   set.</td><td class="lineno" valign="top"></td></tr>
563      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
564      <tr><td class="lineno" valign="top"></td><td class="left">   If the last-byte-pos value is absent, or if the value is greater than</td><td> </td><td class="right">   If the last-byte-pos value is absent, or if the value is greater than</td><td class="lineno" valign="top"></td></tr>
565      <tr><td><a name="diff0037" /></td></tr>
566      <tr><td class="lineno" valign="top"></td><td class="lblock">   or equal to the current length of the <span class="delete">entity-body, last-byte-pos</span> is</td><td> </td><td class="rblock">   or equal to the current length of the <span class="insert">representation body, last-byte-</span></td><td class="lineno" valign="top"></td></tr>
567      <tr><td class="lineno" valign="top"></td><td class="lblock">   taken to be equal to one less than the current length of the <span class="delete">entity-</span></td><td> </td><td class="rblock"><span class="insert">   pos</span> is taken to be equal to one less than the current length of the</td><td class="lineno" valign="top"></td></tr>
568      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   body</span> in bytes.</td><td> </td><td class="rblock">   <span class="insert">representation</span> in bytes.</td><td class="lineno" valign="top"></td></tr>
569      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
570      <tr><td class="lineno" valign="top"></td><td class="left">   By its choice of last-byte-pos, a client can limit the number of</td><td> </td><td class="right">   By its choice of last-byte-pos, a client can limit the number of</td><td class="lineno" valign="top"></td></tr>
571      <tr><td><a name="diff0038" /></td></tr>
572      <tr><td class="lineno" valign="top"></td><td class="lblock">   bytes retrieved without knowing the size of the <span class="delete">entity</span>.</td><td> </td><td class="rblock">   bytes retrieved without knowing the size of the <span class="insert">representation</span>.</td><td class="lineno" valign="top"></td></tr>
573      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
574      <tr><td class="lineno" valign="top"></td><td class="left">     suffix-byte-range-spec = "-" suffix-length</td><td> </td><td class="right">     suffix-byte-range-spec = "-" suffix-length</td><td class="lineno" valign="top"></td></tr>
575      <tr><td class="lineno" valign="top"></td><td class="left">     suffix-length = 1*DIGIT</td><td> </td><td class="right">     suffix-length = 1*DIGIT</td><td class="lineno" valign="top"></td></tr>
576      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
577      <tr><td><a name="diff0039" /></td></tr>
578      <tr><td class="lineno" valign="top"></td><td class="lblock">   A suffix-byte-range-spec is used to specify the suffix of the <span class="delete">entity-</span></td><td> </td><td class="rblock">   A suffix-byte-range-spec is used to specify the suffix of the</td><td class="lineno" valign="top"></td></tr>
579      <tr><td class="lineno" valign="top"></td><td class="lblock">   body, of a length given by the suffix-length value.  (That is, this</td><td> </td><td class="rblock">   <span class="insert">representation</span> body, of a length given by the suffix-length value.</td><td class="lineno" valign="top"></td></tr>
580      <tr><td class="lineno" valign="top"></td><td class="lblock">   form specifies the last N bytes of <span class="delete">an entity-body.)</span>  If the <span class="delete">entity</span> is</td><td> </td><td class="rblock">   (That is, this form specifies the last N bytes of <span class="insert">a representation.)</span></td><td class="lineno" valign="top"></td></tr>
581      <tr><td class="lineno" valign="top"></td><td class="lblock">   shorter than the specified suffix-length, the entire <span class="delete">entity-body</span> is</td><td> </td><td class="rblock">   If the <span class="insert">representation</span> is shorter than the specified suffix-length,</td><td class="lineno" valign="top"></td></tr>
582      <tr><td class="lineno" valign="top"></td><td class="lblock">   used.</td><td> </td><td class="rblock">   the entire <span class="insert">representation</span> is used.</td><td class="lineno" valign="top"></td></tr>
583      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
584      <tr><td class="lineno" valign="top"></td><td class="left">   If a syntactically valid byte-range-set includes at least one byte-</td><td> </td><td class="right">   If a syntactically valid byte-range-set includes at least one byte-</td><td class="lineno" valign="top"></td></tr>
585      <tr><td class="lineno" valign="top"></td><td class="left">   range-spec whose first-byte-pos is less than the current length of</td><td> </td><td class="right">   range-spec whose first-byte-pos is less than the current length of</td><td class="lineno" valign="top"></td></tr>
586      <tr><td><a name="diff0040" /></td></tr>
587      <tr><td class="lineno" valign="top"></td><td class="lblock">   the <span class="delete">entity-body,</span> or at least one suffix-byte-range-spec with a <span class="delete">non-</span></td><td> </td><td class="rblock">   the <span class="insert">representation,</span> or at least one suffix-byte-range-spec with a</td><td class="lineno" valign="top"></td></tr>
588      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   zero</span> suffix-length, then the byte-range-set is satisfiable.</td><td> </td><td class="rblock">   <span class="insert">non-zero</span> suffix-length, then the byte-range-set is satisfiable.</td><td class="lineno" valign="top"></td></tr>
589      <tr><td class="lineno" valign="top"></td><td class="left">   Otherwise, the byte-range-set is unsatisfiable.  If the byte-range-</td><td> </td><td class="right">   Otherwise, the byte-range-set is unsatisfiable.  If the byte-range-</td><td class="lineno" valign="top"></td></tr>
590      <tr><td><a name="diff0041" /></td></tr>
591      <tr><td class="lineno" valign="top"></td><td class="lblock">   set is unsatisfiable, the server SHOULD return a response with a</td><td> </td><td class="rblock">   set is unsatisfiable, the server SHOULD return a response with a 416</td><td class="lineno" valign="top"></td></tr>
592      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">status of</span> 416 (Requested range not <span class="delete">satisfiable).</span>  Otherwise, the</td><td> </td><td class="rblock">   (Requested range not <span class="insert">satisfiable) status code.</span>  Otherwise, the server</td><td class="lineno" valign="top"></td></tr>
593      <tr><td class="lineno" valign="top"></td><td class="lblock">   server SHOULD return a response with a <span class="delete">status of</span> 206 (Partial</td><td> </td><td class="rblock">   SHOULD return a response with a 206 (Partial Content) <span class="insert">status code</span></td><td class="lineno" valign="top"></td></tr>
594      <tr><td class="lineno" valign="top"></td><td class="lblock">   Content) containing the satisfiable ranges of the <span class="delete">entity-body.</span></td><td> </td><td class="rblock">   containing the satisfiable ranges of the <span class="insert">representation.</span></td><td class="lineno" valign="top"></td></tr>
595      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
596      <tr><td><a name="diff0042" /></td></tr>
597      <tr><td class="lineno" valign="top"></td><td class="lblock">   Examples of byte-ranges-specifier values (assuming <span class="delete">an entity-body</span> of</td><td> </td><td class="rblock">   Examples of byte-ranges-specifier values (assuming <span class="insert">a representation</span></td><td class="lineno" valign="top"></td></tr>
598      <tr><td class="lineno" valign="top"></td><td class="lblock">   length 10000):</td><td> </td><td class="rblock">   of length 10000):</td><td class="lineno" valign="top"></td></tr>
599      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
600      <tr><td class="lineno" valign="top"></td><td class="left">   o  The first 500 bytes (byte offsets 0-499, inclusive):</td><td> </td><td class="right">   o  The first 500 bytes (byte offsets 0-499, inclusive):</td><td class="lineno" valign="top"></td></tr>
601      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
602      <tr><td class="lineno" valign="top"></td><td class="left">        bytes=0-499</td><td> </td><td class="right">        bytes=0-499</td><td class="lineno" valign="top"></td></tr>
603      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
604      <tr><td class="lineno" valign="top"></td><td class="left">   o  The second 500 bytes (byte offsets 500-999, inclusive):</td><td> </td><td class="right">   o  The second 500 bytes (byte offsets 500-999, inclusive):</td><td class="lineno" valign="top"></td></tr>
605      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
606      <tr><td class="lineno" valign="top"></td><td class="left">        bytes=500-999</td><td> </td><td class="right">        bytes=500-999</td><td class="lineno" valign="top"></td></tr>
607      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
608      <tr><td class="lineno" valign="top"></td><td class="left">   o  The final 500 bytes (byte offsets 9500-9999, inclusive):</td><td> </td><td class="right">   o  The final 500 bytes (byte offsets 9500-9999, inclusive):</td><td class="lineno" valign="top"></td></tr>
609      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
610      <tr bgcolor="gray" ><td></td><th><a name="part-l9" /><small>skipping to change at</small><em> page 13, line 14</em></th><th> </th><th><a name="part-r9" /><small>skipping to change at</small><em> page 14, line 30</em></th><td></td></tr>
611      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
612      <tr><td class="lineno" valign="top"></td><td class="left">   o  Several legal but not canonical specifications of the second 500</td><td> </td><td class="right">   o  Several legal but not canonical specifications of the second 500</td><td class="lineno" valign="top"></td></tr>
613      <tr><td class="lineno" valign="top"></td><td class="left">      bytes (byte offsets 500-999, inclusive):</td><td> </td><td class="right">      bytes (byte offsets 500-999, inclusive):</td><td class="lineno" valign="top"></td></tr>
614      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
615      <tr><td class="lineno" valign="top"></td><td class="left">        bytes=500-600,601-999</td><td> </td><td class="right">        bytes=500-600,601-999</td><td class="lineno" valign="top"></td></tr>
616      <tr><td class="lineno" valign="top"></td><td class="left">        bytes=500-700,601-999</td><td> </td><td class="right">        bytes=500-700,601-999</td><td class="lineno" valign="top"></td></tr>
617      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
618      <tr><td class="lineno" valign="top"></td><td class="left">5.4.2.  Range Retrieval Requests</td><td> </td><td class="right">5.4.2.  Range Retrieval Requests</td><td class="lineno" valign="top"></td></tr>
619      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
620      <tr><td class="lineno" valign="top"></td><td class="left">   The "Range" request-header field defines the GET method (conditional</td><td> </td><td class="right">   The "Range" request-header field defines the GET method (conditional</td><td class="lineno" valign="top"></td></tr>
621      <tr><td><a name="diff0043" /></td></tr>
622      <tr><td class="lineno" valign="top"></td><td class="lblock">   or not) to request one or more sub-ranges of the response <span class="delete">entity-</span></td><td> </td><td class="rblock">   or not) to request one or more sub-ranges of the response</td><td class="lineno" valign="top"></td></tr>
623      <tr><td class="lineno" valign="top"></td><td class="lblock">   body, instead of the entire <span class="delete">entity</span> body.</td><td> </td><td class="rblock">   <span class="insert">representation</span> body, instead of the entire <span class="insert">representation</span> body.</td><td class="lineno" valign="top"></td></tr>
624      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
625      <tr><td class="lineno" valign="top"></td><td class="left">     Range   = "Range" ":" OWS Range-v</td><td> </td><td class="right">     Range   = "Range" ":" OWS Range-v</td><td class="lineno" valign="top"></td></tr>
626      <tr><td class="lineno" valign="top"></td><td class="left">     Range-v = byte-ranges-specifier</td><td> </td><td class="right">     Range-v = byte-ranges-specifier</td><td class="lineno" valign="top"></td></tr>
627      <tr><td class="lineno" valign="top"></td><td class="left">             / other-ranges-specifier</td><td> </td><td class="right">             / other-ranges-specifier</td><td class="lineno" valign="top"></td></tr>
628      <tr><td class="lineno" valign="top"></td><td class="left">     other-ranges-specifier = other-range-unit "=" other-range-set</td><td> </td><td class="right">     other-ranges-specifier = other-range-unit "=" other-range-set</td><td class="lineno" valign="top"></td></tr>
629      <tr><td class="lineno" valign="top"></td><td class="left">     other-range-set = 1*CHAR</td><td> </td><td class="right">     other-range-set = 1*CHAR</td><td class="lineno" valign="top"></td></tr>
630      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
631      <tr><td class="lineno" valign="top"></td><td class="left">   A server MAY ignore the Range header.  However, HTTP/1.1 origin</td><td> </td><td class="right">   A server MAY ignore the Range header.  However, HTTP/1.1 origin</td><td class="lineno" valign="top"></td></tr>
632      <tr><td class="lineno" valign="top"></td><td class="left">   servers and intermediate caches ought to support byte ranges when</td><td> </td><td class="right">   servers and intermediate caches ought to support byte ranges when</td><td class="lineno" valign="top"></td></tr>
633      <tr><td class="lineno" valign="top"></td><td class="left">   possible, since Range supports efficient recovery from partially</td><td> </td><td class="right">   possible, since Range supports efficient recovery from partially</td><td class="lineno" valign="top"></td></tr>
634      <tr><td class="lineno" valign="top"></td><td class="left">   failed transfers, and supports efficient partial retrieval of large</td><td> </td><td class="right">   failed transfers, and supports efficient partial retrieval of large</td><td class="lineno" valign="top"></td></tr>
635      <tr><td><a name="diff0044" /></td></tr>
636      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">entitie</span>s.</td><td> </td><td class="rblock">   <span class="insert">representation</span>s.</td><td class="lineno" valign="top"></td></tr>
637      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
638      <tr><td class="lineno" valign="top"></td><td class="left">   If the server supports the Range header and the specified range or</td><td> </td><td class="right">   If the server supports the Range header and the specified range or</td><td class="lineno" valign="top"></td></tr>
639      <tr><td><a name="diff0045" /></td></tr>
640      <tr><td class="lineno" valign="top"></td><td class="lblock">   ranges are appropriate for the <span class="delete">entity</span>:</td><td> </td><td class="rblock">   ranges are appropriate for the <span class="insert">representation</span>:</td><td class="lineno" valign="top"></td></tr>
641      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
642      <tr><td class="lineno" valign="top"></td><td class="left">   o  The presence of a Range header in an unconditional GET modifies</td><td> </td><td class="right">   o  The presence of a Range header in an unconditional GET modifies</td><td class="lineno" valign="top"></td></tr>
643      <tr><td class="lineno" valign="top"></td><td class="left">      what is returned if the GET is otherwise successful.  In other</td><td> </td><td class="right">      what is returned if the GET is otherwise successful.  In other</td><td class="lineno" valign="top"></td></tr>
644      <tr><td class="lineno" valign="top"></td><td class="left">      words, the response carries a status code of 206 (Partial Content)</td><td> </td><td class="right">      words, the response carries a status code of 206 (Partial Content)</td><td class="lineno" valign="top"></td></tr>
645      <tr><td class="lineno" valign="top"></td><td class="left">      instead of 200 (OK).</td><td> </td><td class="right">      instead of 200 (OK).</td><td class="lineno" valign="top"></td></tr>
646      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
647      <tr><td class="lineno" valign="top"></td><td class="left">   o  The presence of a Range header in a conditional GET (a request</td><td> </td><td class="right">   o  The presence of a Range header in a conditional GET (a request</td><td class="lineno" valign="top"></td></tr>
648      <tr><td class="lineno" valign="top"></td><td class="left">      using one or both of If-Modified-Since and If-None-Match, or one</td><td> </td><td class="right">      using one or both of If-Modified-Since and If-None-Match, or one</td><td class="lineno" valign="top"></td></tr>
649      <tr><td class="lineno" valign="top"></td><td class="left">      or both of If-Unmodified-Since and If-Match) modifies what is</td><td> </td><td class="right">      or both of If-Unmodified-Since and If-Match) modifies what is</td><td class="lineno" valign="top"></td></tr>
650      <tr><td class="lineno" valign="top"></td><td class="left">      returned if the GET is otherwise successful and the condition is</td><td> </td><td class="right">      returned if the GET is otherwise successful and the condition is</td><td class="lineno" valign="top"></td></tr>
651      <tr><td class="lineno" valign="top"></td><td class="left">      true.  It does not affect the 304 (Not Modified) response returned</td><td> </td><td class="right">      true.  It does not affect the 304 (Not Modified) response returned</td><td class="lineno" valign="top"></td></tr>
652      <tr><td class="lineno" valign="top"></td><td class="left">      if the conditional is false.</td><td> </td><td class="right">      if the conditional is false.</td><td class="lineno" valign="top"></td></tr>
653      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
654      <tr><td class="lineno" valign="top"></td><td class="left">   In some cases, it might be more appropriate to use the If-Range</td><td> </td><td class="right">   In some cases, it might be more appropriate to use the If-Range</td><td class="lineno" valign="top"></td></tr>
655      <tr><td class="lineno" valign="top"></td><td class="left">   header (see Section 5.3) in addition to the Range header.</td><td> </td><td class="right">   header (see Section 5.3) in addition to the Range header.</td><td class="lineno" valign="top"></td></tr>
656      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
657      <tr><td class="lineno" valign="top"></td><td class="left">   If a proxy that supports ranges receives a Range request, forwards</td><td> </td><td class="right">   If a proxy that supports ranges receives a Range request, forwards</td><td class="lineno" valign="top"></td></tr>
658      <tr><td><a name="diff0046" /></td></tr>
659      <tr><td class="lineno" valign="top"></td><td class="lblock">   the request to an inbound server, and receives an entire <span class="delete">entity</span> in</td><td> </td><td class="rblock">   the request to an inbound server, and receives an entire</td><td class="lineno" valign="top"></td></tr>
660      <tr><td class="lineno" valign="top"></td><td class="lblock">   reply, it SHOULD only return the requested range to its client.  It</td><td> </td><td class="rblock">   <span class="insert">representation</span> in reply, it SHOULD only return the requested range to</td><td class="lineno" valign="top"></td></tr>
661      <tr><td class="lineno" valign="top"></td><td class="lblock">   SHOULD store the entire received response in its cache if that is</td><td> </td><td class="rblock">   its client.  It SHOULD store the entire received response in its</td><td class="lineno" valign="top"></td></tr>
662      <tr><td class="lineno" valign="top"></td><td class="lblock">   consistent with its cache allocation policies.</td><td> </td><td class="rblock">   cache if that is consistent with its cache allocation policies.</td><td class="lineno" valign="top"></td></tr>
663      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
664      <tr><td class="lineno" valign="top"></td><td class="left">6.  IANA Considerations</td><td> </td><td class="right">6.  IANA Considerations</td><td class="lineno" valign="top"></td></tr>
665      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
666      <tr><td class="lineno" valign="top"></td><td class="left">6.1.  Status Code Registration</td><td> </td><td class="right">6.1.  Status Code Registration</td><td class="lineno" valign="top"></td></tr>
667      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
668      <tr><td class="lineno" valign="top"></td><td class="left">   The HTTP Status Code Registry located at</td><td> </td><td class="right">   The HTTP Status Code Registry located at</td><td class="lineno" valign="top"></td></tr>
669      <tr><td><a name="diff0047" /></td></tr>
670      <tr><td class="lineno" valign="top"></td><td class="lblock">   &lt;http://www.iana.org/assignments/http-status-codes&gt; sh<span class="delete">ould</span> be updated</td><td> </td><td class="rblock">   &lt;http://www.iana.org/assignments/http-status-codes&gt; sh<span class="insert">all</span> be updated</td><td class="lineno" valign="top"></td></tr>
671      <tr><td class="lineno" valign="top"></td><td class="left">   with the registrations below:</td><td> </td><td class="right">   with the registrations below:</td><td class="lineno" valign="top"></td></tr>
672      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
673      <tr><td class="lineno" valign="top"></td><td class="left">   +-------+---------------------------------+-------------+</td><td> </td><td class="right">   +-------+---------------------------------+-------------+</td><td class="lineno" valign="top"></td></tr>
674      <tr><td class="lineno" valign="top"></td><td class="left">   | Value | Description                     | Reference   |</td><td> </td><td class="right">   | Value | Description                     | Reference   |</td><td class="lineno" valign="top"></td></tr>
675      <tr><td class="lineno" valign="top"></td><td class="left">   +-------+---------------------------------+-------------+</td><td> </td><td class="right">   +-------+---------------------------------+-------------+</td><td class="lineno" valign="top"></td></tr>
676      <tr><td class="lineno" valign="top"></td><td class="left">   | 206   | Partial Content                 | Section 3.1 |</td><td> </td><td class="right">   | 206   | Partial Content                 | Section 3.1 |</td><td class="lineno" valign="top"></td></tr>
677      <tr><td class="lineno" valign="top"></td><td class="left">   | 416   | Requested Range Not Satisfiable | Section 3.2 |</td><td> </td><td class="right">   | 416   | Requested Range Not Satisfiable | Section 3.2 |</td><td class="lineno" valign="top"></td></tr>
678      <tr><td class="lineno" valign="top"></td><td class="left">   +-------+---------------------------------+-------------+</td><td> </td><td class="right">   +-------+---------------------------------+-------------+</td><td class="lineno" valign="top"></td></tr>
679      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
680      <tr><td><a name="diff0048" /></td></tr>
681      <tr><td class="lineno" valign="top"></td><td class="lblock">6.2.  <span class="delete">Message Header</span> Registration</td><td> </td><td class="rblock">6.2.  <span class="insert">Header Field</span> Registration</td><td class="lineno" valign="top"></td></tr>
682      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
683      <tr><td><a name="diff0049" /></td></tr>
684      <tr><td class="lineno" valign="top"></td><td class="lblock">   The Message Header Registry located at &lt;http://www.iana.org/</td><td> </td><td class="rblock">   The Message Header <span class="insert">Field</span> Registry located at &lt;http://www.iana.org/</td><td class="lineno" valign="top"></td></tr>
685      <tr><td class="lineno" valign="top"></td><td class="lblock">   assignments/message-headers/message-header-index.html&gt; <span class="delete">should</span> be</td><td> </td><td class="rblock">   assignments/message-headers/message-header-index.html&gt; <span class="insert">shall</span> be</td><td class="lineno" valign="top"></td></tr>
686      <tr><td class="lineno" valign="top"></td><td class="left">   updated with the permanent registrations below (see [RFC3864]):</td><td> </td><td class="right">   updated with the permanent registrations below (see [RFC3864]):</td><td class="lineno" valign="top"></td></tr>
687      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
688      <tr><td class="lineno" valign="top"></td><td class="left">   +-------------------+----------+----------+-------------+</td><td> </td><td class="right">   +-------------------+----------+----------+-------------+</td><td class="lineno" valign="top"></td></tr>
689      <tr><td class="lineno" valign="top"></td><td class="left">   | Header Field Name | Protocol | Status   | Reference   |</td><td> </td><td class="right">   | Header Field Name | Protocol | Status   | Reference   |</td><td class="lineno" valign="top"></td></tr>
690      <tr><td class="lineno" valign="top"></td><td class="left">   +-------------------+----------+----------+-------------+</td><td> </td><td class="right">   +-------------------+----------+----------+-------------+</td><td class="lineno" valign="top"></td></tr>
691      <tr><td class="lineno" valign="top"></td><td class="left">   | Accept-Ranges     | http     | standard | Section 5.1 |</td><td> </td><td class="right">   | Accept-Ranges     | http     | standard | Section 5.1 |</td><td class="lineno" valign="top"></td></tr>
692      <tr><td class="lineno" valign="top"></td><td class="left">   | Content-Range     | http     | standard | Section 5.2 |</td><td> </td><td class="right">   | Content-Range     | http     | standard | Section 5.2 |</td><td class="lineno" valign="top"></td></tr>
693      <tr><td class="lineno" valign="top"></td><td class="left">   | If-Range          | http     | standard | Section 5.3 |</td><td> </td><td class="right">   | If-Range          | http     | standard | Section 5.3 |</td><td class="lineno" valign="top"></td></tr>
694      <tr><td class="lineno" valign="top"></td><td class="left">   | Range             | http     | standard | Section 5.4 |</td><td> </td><td class="right">   | Range             | http     | standard | Section 5.4 |</td><td class="lineno" valign="top"></td></tr>
695      <tr><td class="lineno" valign="top"></td><td class="left">   +-------------------+----------+----------+-------------+</td><td> </td><td class="right">   +-------------------+----------+----------+-------------+</td><td class="lineno" valign="top"></td></tr>
696      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
697      <tr><td class="lineno" valign="top"></td><td class="left">   The change controller is: "IETF (iesg@ietf.org) - Internet</td><td> </td><td class="right">   The change controller is: "IETF (iesg@ietf.org) - Internet</td><td class="lineno" valign="top"></td></tr>
698      <tr><td class="lineno" valign="top"></td><td class="left">   Engineering Task Force".</td><td> </td><td class="right">   Engineering Task Force".</td><td class="lineno" valign="top"></td></tr>
699      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
700      <tr><td><a name="diff0050" /></td></tr>
701      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">6.3.  Range Specifier Registration</span></td><td class="lineno" valign="top"></td></tr>
702      <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>
703      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   The registration procedure for HTTP Range Specifiers is defined by</span></td><td class="lineno" valign="top"></td></tr>
704      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Section 2.1 of this document.</span></td><td class="lineno" valign="top"></td></tr>
705      <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>
706      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   The HTTP Range Specifier Registry shall be created at</span></td><td class="lineno" valign="top"></td></tr>
707      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   &lt;http://www.iana.org/assignments/http-range-specifiers&gt; and be</span></td><td class="lineno" valign="top"></td></tr>
708      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   populated with the registrations below:</span></td><td class="lineno" valign="top"></td></tr>
709      <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>
710      <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>
711      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   | Range Specifier Name | Description       | Reference            |</span></td><td class="lineno" valign="top"></td></tr>
712      <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>
713      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   | bytes                | a range of octets | (this specification) |</span></td><td class="lineno" valign="top"></td></tr>
714      <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>
715      <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>
716      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   The change controller is: "IETF (iesg@ietf.org) - Internet</span></td><td class="lineno" valign="top"></td></tr>
717      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Engineering Task Force".</span></td><td class="lineno" valign="top"></td></tr>
718      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
719      <tr><td class="lineno" valign="top"></td><td class="left">7.  Security Considerations</td><td> </td><td class="right">7.  Security Considerations</td><td class="lineno" valign="top"></td></tr>
720      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
721      <tr><td class="lineno" valign="top"></td><td class="left">   No additional security considerations have been identified beyond</td><td> </td><td class="right">   No additional security considerations have been identified beyond</td><td class="lineno" valign="top"></td></tr>
722      <tr><td class="lineno" valign="top"></td><td class="left">   those applicable to HTTP in general [Part1].</td><td> </td><td class="right">   those applicable to HTTP in general [Part1].</td><td class="lineno" valign="top"></td></tr>
723      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
724      <tr><td class="lineno" valign="top"></td><td class="left">8.  Acknowledgments</td><td> </td><td class="right">8.  Acknowledgments</td><td class="lineno" valign="top"></td></tr>
725      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
726      <tr><td class="lineno" valign="top"></td><td class="left">   Most of the specification of ranges is based on work originally done</td><td> </td><td class="right">   Most of the specification of ranges is based on work originally done</td><td class="lineno" valign="top"></td></tr>
727      <tr><td class="lineno" valign="top"></td><td class="left">   by Ari Luotonen and John Franks, with additional input from Steve</td><td> </td><td class="right">   by Ari Luotonen and John Franks, with additional input from Steve</td><td class="lineno" valign="top"></td></tr>
728      <tr><td class="lineno" valign="top"></td><td class="left">   Zilles, Daniel W. Connolly, Roy T. Fielding, Jim Gettys, Martin</td><td> </td><td class="right">   Zilles, Daniel W. Connolly, Roy T. Fielding, Jim Gettys, Martin</td><td class="lineno" valign="top"></td></tr>
729      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
730      <tr bgcolor="gray" ><td></td><th><a name="part-l10" /><small>skipping to change at</small><em> page 15, line 4</em></th><th> </th><th><a name="part-r10" /><small>skipping to change at</small><em> page 16, line 38</em></th><td></td></tr>
731      <tr><td class="lineno" valign="top"></td><td class="left">8.  Acknowledgments</td><td> </td><td class="right">8.  Acknowledgments</td><td class="lineno" valign="top"></td></tr>
732      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
733      <tr><td class="lineno" valign="top"></td><td class="left">   Most of the specification of ranges is based on work originally done</td><td> </td><td class="right">   Most of the specification of ranges is based on work originally done</td><td class="lineno" valign="top"></td></tr>
734      <tr><td class="lineno" valign="top"></td><td class="left">   by Ari Luotonen and John Franks, with additional input from Steve</td><td> </td><td class="right">   by Ari Luotonen and John Franks, with additional input from Steve</td><td class="lineno" valign="top"></td></tr>
735      <tr><td class="lineno" valign="top"></td><td class="left">   Zilles, Daniel W. Connolly, Roy T. Fielding, Jim Gettys, Martin</td><td> </td><td class="right">   Zilles, Daniel W. Connolly, Roy T. Fielding, Jim Gettys, Martin</td><td class="lineno" valign="top"></td></tr>
736      <tr><td class="lineno" valign="top"></td><td class="left">   Hamilton, Koen Holtman, Shel Kaplan, Paul Leach, Alex Lopez-Ortiz,</td><td> </td><td class="right">   Hamilton, Koen Holtman, Shel Kaplan, Paul Leach, Alex Lopez-Ortiz,</td><td class="lineno" valign="top"></td></tr