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Changeset 214 for draft-ietf-httpbis/latest/p1-messaging.html
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- 17/02/08 20:26:35 (15 years ago)
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draft-ietf-httpbis/latest/p1-messaging.html (modified) (28 diffs)
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draft-ietf-httpbis/latest/p1-messaging.html
r213 r214 969 969 </pre><p id="rfc.section.2.2.p.12">Many HTTP/1.1 header field values consist of words separated by LWS or special characters. These special characters <em class="bcp14">MUST</em> be in a quoted string to be used within a parameter value (as defined in <a href="#transfer.codings" title="Transfer Codings">Section 3.4</a>). 970 970 </p> 971 <div id="rfc.figure.u.9"></div><pre class="inline"><span id="rfc.iref.g.16"></span><span id="rfc.iref.g.17"></span> token = 1*<any CHAR except CTLs or separators> 972 separators = "(" | ")" | "<" | ">" | "@" 971 <div id="rfc.figure.u.9"></div><pre class="inline"><span id="rfc.iref.g.16"></span><span id="rfc.iref.g.17"></span><span id="rfc.iref.g.18"></span> separators = "(" | ")" | "<" | ">" | "@" 973 972 | "," | ";" | ":" | "\" | DQUOTE 974 973 | "/" | "[" | "]" | "?" | "=" 975 974 | "{" | "}" | SP | HTAB 975 976 tchar = "!" | "#" | "$" | "%" | "&" | "'" | "*" | "+" | "-" 977 | "." | "^" | "_" | "`" | "|" | "~" | DIGIT | ALPHA 978 ; any CHAR except CTLs or separators 979 980 token = 1*tchar 976 981 </pre><p id="rfc.section.2.2.p.14">Comments can be included in some HTTP header fields by surrounding the comment text with parentheses. Comments are only allowed 977 982 in fields containing "comment" as part of their field value definition. In all other fields, parentheses are considered part 978 983 of the field value. 979 984 </p> 980 <div id="rfc.figure.u.10"></div><pre class="inline"><span id="rfc.iref.g.1 8"></span><span id="rfc.iref.g.19"></span> comment = "(" *( ctext | quoted-pair | comment ) ")"985 <div id="rfc.figure.u.10"></div><pre class="inline"><span id="rfc.iref.g.19"></span><span id="rfc.iref.g.20"></span> comment = "(" *( ctext | quoted-pair | comment ) ")" 981 986 ctext = <any TEXT excluding "(" and ")"> 982 987 </pre><p id="rfc.section.2.2.p.16">A string of text is parsed as a single word if it is quoted using double-quote marks.</p> 983 <div id="rfc.figure.u.11"></div><pre class="inline"><span id="rfc.iref.g.2 0"></span><span id="rfc.iref.g.21"></span> quoted-string = ( DQUOTE *(qdtext | quoted-pair ) DQUOTE )988 <div id="rfc.figure.u.11"></div><pre class="inline"><span id="rfc.iref.g.21"></span><span id="rfc.iref.g.22"></span> quoted-string = ( DQUOTE *(qdtext | quoted-pair ) DQUOTE ) 984 989 qdtext = <any TEXT excluding DQUOTE and "\"> 985 990 </pre><p id="rfc.section.2.2.p.18">The backslash character ("\") <em class="bcp14">MAY</em> be used as a single-character quoting mechanism only within quoted-string and comment constructs. 986 991 </p> 987 <div id="rfc.figure.u.12"></div><pre class="inline"><span id="rfc.iref.g.2 2"></span> quoted-pair = "\" CHAR992 <div id="rfc.figure.u.12"></div><pre class="inline"><span id="rfc.iref.g.23"></span> quoted-pair = "\" CHAR 988 993 </pre><h2 id="rfc.section.2.3"><a href="#rfc.section.2.3">2.3</a> <a id="abnf.dependencies" href="#abnf.dependencies">ABNF Rules defined in other Parts of the Specification</a></h2> 989 994 <p id="rfc.section.2.3.p.1">The ABNF rules below are defined in other parts:</p> … … 1007 1012 </p> 1008 1013 <p id="rfc.section.3.1.p.2">The version of an HTTP message is indicated by an HTTP-Version field in the first line of the message. HTTP-Version is case-sensitive.</p> 1009 <div id="rfc.figure.u.16"></div><pre class="inline"><span id="rfc.iref.g.2 3"></span> HTTP-Version = "HTTP" "/" 1*DIGIT "." 1*DIGIT1014 <div id="rfc.figure.u.16"></div><pre class="inline"><span id="rfc.iref.g.24"></span> HTTP-Version = "HTTP" "/" 1*DIGIT "." 1*DIGIT 1010 1015 </pre><p id="rfc.section.3.1.p.4">Note that the major and minor numbers <em class="bcp14">MUST</em> be treated as separate integers and that each <em class="bcp14">MAY</em> be incremented higher than a single digit. Thus, HTTP/2.4 is a lower version than HTTP/2.13, which in turn is lower than HTTP/12.3. 1011 1016 Leading zeros <em class="bcp14">MUST</em> be ignored by recipients and <em class="bcp14">MUST NOT</em> be sent. … … 1037 1042 "abs_path", "query", and "authority" from that specification: 1038 1043 </p> 1039 <div id="rfc.figure.u.17"></div><pre class="inline"><span id="rfc.iref.g.2 4"></span><span id="rfc.iref.g.25"></span><span id="rfc.iref.g.26"></span><span id="rfc.iref.g.27"></span><span id="rfc.iref.g.28"></span><span id="rfc.iref.g.29"></span><span id="rfc.iref.g.30"></span> absoluteURI = <absoluteURI, defined in <a href="#RFC2396" id="rfc.xref.RFC2396.2"><cite title="Uniform Resource Identifiers (URI): Generic Syntax">[RFC2396]</cite></a>, <a href="http://tools.ietf.org/html/rfc2396#section-3">Section 3</a>>1044 <div id="rfc.figure.u.17"></div><pre class="inline"><span id="rfc.iref.g.25"></span><span id="rfc.iref.g.26"></span><span id="rfc.iref.g.27"></span><span id="rfc.iref.g.28"></span><span id="rfc.iref.g.29"></span><span id="rfc.iref.g.30"></span><span id="rfc.iref.g.31"></span> absoluteURI = <absoluteURI, defined in <a href="#RFC2396" id="rfc.xref.RFC2396.2"><cite title="Uniform Resource Identifiers (URI): Generic Syntax">[RFC2396]</cite></a>, <a href="http://tools.ietf.org/html/rfc2396#section-3">Section 3</a>> 1040 1045 authority = <authority, defined in <a href="#RFC2396" id="rfc.xref.RFC2396.3"><cite title="Uniform Resource Identifiers (URI): Generic Syntax">[RFC2396]</cite></a>, <a href="http://tools.ietf.org/html/rfc2396#section-3.2">Section 3.2</a>> 1041 1046 fragment = <fragment, defined in <a href="#RFC2396" id="rfc.xref.RFC2396.4"><cite title="Uniform Resource Identifiers (URI): Generic Syntax">[RFC2396]</cite></a>, <a href="http://tools.ietf.org/html/rfc2396#section-4.1">Section 4.1</a>> … … 1057 1062 and semantics for http URLs. 1058 1063 </p> 1059 <div id="rfc.figure.u.18"></div><pre class="inline"><span id="rfc.iref.g.3 1"></span> http-URL = "http:" "//" uri-host [ ":" port ]1064 <div id="rfc.figure.u.18"></div><pre class="inline"><span id="rfc.iref.g.32"></span> http-URL = "http:" "//" uri-host [ ":" port ] 1060 1065 [ path-absolute [ "?" query ]] 1061 1066 </pre><p id="rfc.section.3.2.2.p.3">If the port is empty or not given, port 80 is assumed. The semantics are that the identified resource is located at the server … … 1097 1102 time zone, and <em class="bcp14">MUST</em> be assumed when reading the asctime format. HTTP-date is case sensitive and <em class="bcp14">MUST NOT</em> include additional LWS beyond that specifically included as SP in the grammar. 1098 1103 </p> 1099 <div id="rfc.figure.u.21"></div><pre class="inline"><span id="rfc.iref.g.3 2"></span><span id="rfc.iref.g.33"></span><span id="rfc.iref.g.34"></span><span id="rfc.iref.g.35"></span><span id="rfc.iref.g.36"></span><span id="rfc.iref.g.37"></span><span id="rfc.iref.g.38"></span><span id="rfc.iref.g.39"></span><span id="rfc.iref.g.40"></span><span id="rfc.iref.g.41"></span><span id="rfc.iref.g.42"></span> HTTP-date = rfc1123-date | rfc850-date | asctime-date1104 <div id="rfc.figure.u.21"></div><pre class="inline"><span id="rfc.iref.g.33"></span><span id="rfc.iref.g.34"></span><span id="rfc.iref.g.35"></span><span id="rfc.iref.g.36"></span><span id="rfc.iref.g.37"></span><span id="rfc.iref.g.38"></span><span id="rfc.iref.g.39"></span><span id="rfc.iref.g.40"></span><span id="rfc.iref.g.41"></span><span id="rfc.iref.g.42"></span><span id="rfc.iref.g.43"></span> HTTP-date = rfc1123-date | rfc850-date | asctime-date 1100 1105 rfc1123-date = wkday "," SP date1 SP time SP "GMT" 1101 1106 rfc850-date = weekday "," SP date2 SP time SP "GMT" … … 1124 1129 is a property of the message, not of the original entity. 1125 1130 </p> 1126 <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.4 3"></span><span id="rfc.iref.g.44"></span> transfer-coding = "chunked" | transfer-extension1131 <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.44"></span><span id="rfc.iref.g.45"></span> transfer-coding = "chunked" | transfer-extension 1127 1132 transfer-extension = token *( ";" parameter ) 1128 1133 </pre><p id="rfc.section.3.4.p.3">Parameters are in the form of attribute/value pairs.</p> 1129 <div id="rfc.figure.u.23"></div><pre class="inline"><span id="rfc.iref.g.4 5"></span><span id="rfc.iref.g.46"></span><span id="rfc.iref.g.47"></span> parameter = attribute "=" value1134 <div id="rfc.figure.u.23"></div><pre class="inline"><span id="rfc.iref.g.46"></span><span id="rfc.iref.g.47"></span><span id="rfc.iref.g.48"></span> parameter = attribute "=" value 1130 1135 attribute = token 1131 1136 value = token | quoted-string … … 1152 1157 necessary for the recipient to verify that it has received the full message. 1153 1158 </p> 1154 <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.4 8"></span><span id="rfc.iref.g.49"></span><span id="rfc.iref.g.50"></span><span id="rfc.iref.g.51"></span><span id="rfc.iref.g.52"></span><span id="rfc.iref.g.53"></span><span id="rfc.iref.g.54"></span><span id="rfc.iref.g.55"></span><span id="rfc.iref.g.56"></span> Chunked-Body = *chunk1159 <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.49"></span><span id="rfc.iref.g.50"></span><span id="rfc.iref.g.51"></span><span id="rfc.iref.g.52"></span><span id="rfc.iref.g.53"></span><span id="rfc.iref.g.54"></span><span id="rfc.iref.g.55"></span><span id="rfc.iref.g.56"></span><span id="rfc.iref.g.57"></span> Chunked-Body = *chunk 1155 1160 last-chunk 1156 1161 trailer-part … … 1211 1216 space. By convention, the products are listed in order of their significance for identifying the application. 1212 1217 </p> 1213 <div id="rfc.figure.u.26"></div><pre class="inline"><span id="rfc.iref.g.5 7"></span><span id="rfc.iref.g.58"></span> product = token ["/" product-version]1218 <div id="rfc.figure.u.26"></div><pre class="inline"><span id="rfc.iref.g.58"></span><span id="rfc.iref.g.59"></span> product = token ["/" product-version] 1214 1219 product-version = token 1215 1220 </pre><p id="rfc.section.3.5.p.3">Examples:</p> … … 1221 1226 <h2 id="rfc.section.4.1"><a href="#rfc.section.4.1">4.1</a> <a id="message.types" href="#message.types">Message Types</a></h2> 1222 1227 <p id="rfc.section.4.1.p.1">HTTP messages consist of requests from client to server and responses from server to client.</p> 1223 <div id="rfc.figure.u.28"></div><pre class="inline"><span id="rfc.iref.g. 59"></span> HTTP-message = Request | Response ; HTTP/1.1 messages1228 <div id="rfc.figure.u.28"></div><pre class="inline"><span id="rfc.iref.g.60"></span> HTTP-message = Request | Response ; HTTP/1.1 messages 1224 1229 </pre><p id="rfc.section.4.1.p.3">Request (<a href="#request" title="Request">Section 5</a>) and Response (<a href="#response" title="Response">Section 6</a>) messages use the generic message format of <a href="#RFC2822" id="rfc.xref.RFC2822.2"><cite title="Internet Message Format">[RFC2822]</cite></a> for transferring entities (the payload of the message). Both types of message consist of a start-line, zero or more header 1225 1230 fields (also known as "headers"), an empty line (i.e., a line with nothing preceding the CRLF) indicating the end of the header 1226 1231 fields, and possibly a message-body. 1227 1232 </p> 1228 <div id="rfc.figure.u.29"></div><pre class="inline"><span id="rfc.iref.g.6 0"></span><span id="rfc.iref.g.61"></span> generic-message = start-line1233 <div id="rfc.figure.u.29"></div><pre class="inline"><span id="rfc.iref.g.61"></span><span id="rfc.iref.g.62"></span> generic-message = start-line 1229 1234 *(message-header CRLF) 1230 1235 CRLF … … 1244 1249 forms. 1245 1250 </p> 1246 <div id="rfc.figure.u.30"></div><pre class="inline"><span id="rfc.iref.g.6 2"></span><span id="rfc.iref.g.63"></span><span id="rfc.iref.g.64"></span><span id="rfc.iref.g.65"></span> message-header = field-name ":" [ field-value ]1251 <div id="rfc.figure.u.30"></div><pre class="inline"><span id="rfc.iref.g.63"></span><span id="rfc.iref.g.64"></span><span id="rfc.iref.g.65"></span><span id="rfc.iref.g.66"></span> message-header = field-name ":" [ field-value ] 1247 1252 field-name = token 1248 1253 field-value = *( field-content | LWS ) … … 1269 1274 header field (<a href="#header.transfer-encoding" id="rfc.xref.header.transfer-encoding.2" title="Transfer-Encoding">Section 8.7</a>). 1270 1275 </p> 1271 <div id="rfc.figure.u.31"></div><pre class="inline"><span id="rfc.iref.g.6 6"></span> message-body = entity-body1276 <div id="rfc.figure.u.31"></div><pre class="inline"><span id="rfc.iref.g.67"></span> message-body = entity-body 1272 1277 | <entity-body encoded as per Transfer-Encoding> 1273 1278 </pre><p id="rfc.section.4.3.p.3">Transfer-Encoding <em class="bcp14">MUST</em> be used to indicate any transfer-codings applied by an application to ensure safe and proper transfer of the message. Transfer-Encoding … … 1336 1341 to the entity being transferred. These header fields apply only to the message being transmitted. 1337 1342 </p> 1338 <div id="rfc.figure.u.32"></div><pre class="inline"><span id="rfc.iref.g.6 7"></span> general-header = Cache-Control ; <a href="#Part6" id="rfc.xref.Part6.6"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>, <a href="p6-cache.html#header.cache-control" title="Cache-Control">Section 16.2</a>1343 <div id="rfc.figure.u.32"></div><pre class="inline"><span id="rfc.iref.g.68"></span> general-header = Cache-Control ; <a href="#Part6" id="rfc.xref.Part6.6"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>, <a href="p6-cache.html#header.cache-control" title="Cache-Control">Section 16.2</a> 1339 1344 | Connection ; <a href="#header.connection" id="rfc.xref.header.connection.1" title="Connection">Section 8.1</a> 1340 1345 | Date ; <a href="#header.date" id="rfc.xref.header.date.1" title="Date">Section 8.3</a> … … 1353 1358 resource, the identifier of the resource, and the protocol version in use. 1354 1359 </p> 1355 <div id="rfc.figure.u.33"></div><pre class="inline"><span id="rfc.iref.g.6 8"></span> Request = Request-Line ; <a href="#request-line" title="Request-Line">Section 5.1</a>1360 <div id="rfc.figure.u.33"></div><pre class="inline"><span id="rfc.iref.g.69"></span> Request = Request-Line ; <a href="#request-line" title="Request-Line">Section 5.1</a> 1356 1361 *(( general-header ; <a href="#general.header.fields" title="General Header Fields">Section 4.5</a> 1357 1362 | request-header ; <a href="#Part2" id="rfc.xref.Part2.7"><cite title="HTTP/1.1, part 2: Message Semantics">[Part2]</cite></a>, <a href="p2-semantics.html#request.header.fields" title="Request Header Fields">Section 4</a> … … 1363 1368 elements are separated by SP characters. No CR or LF is allowed except in the final CRLF sequence. 1364 1369 </p> 1365 <div id="rfc.figure.u.34"></div><pre class="inline"><span id="rfc.iref.g. 69"></span> Request-Line = Method SP Request-URI SP HTTP-Version CRLF1370 <div id="rfc.figure.u.34"></div><pre class="inline"><span id="rfc.iref.g.70"></span> Request-Line = Method SP Request-URI SP HTTP-Version CRLF 1366 1371 </pre><h3 id="rfc.section.5.1.1"><a href="#rfc.section.5.1.1">5.1.1</a> <a id="method" href="#method">Method</a></h3> 1367 1372 <p id="rfc.section.5.1.1.p.1">The Method token indicates the method to be performed on the resource identified by the Request-URI. The method is case-sensitive.</p> 1368 <div id="rfc.figure.u.35"></div><pre class="inline"><span id="rfc.iref.g.7 0"></span><span id="rfc.iref.g.71"></span> Method = token1373 <div id="rfc.figure.u.35"></div><pre class="inline"><span id="rfc.iref.g.71"></span><span id="rfc.iref.g.72"></span> Method = token 1369 1374 </pre><h3 id="rfc.section.5.1.2"><a href="#rfc.section.5.1.2">5.1.2</a> <a id="request-uri" href="#request-uri">Request-URI</a></h3> 1370 1375 <p id="rfc.section.5.1.2.p.1">The Request-URI is a Uniform Resource Identifier (<a href="#uri" title="Uniform Resource Identifiers">Section 3.2</a>) and identifies the resource upon which to apply the request. 1371 1376 </p> 1372 <div id="rfc.figure.u.36"></div><pre class="inline"><span id="rfc.iref.g.7 2"></span> Request-URI = "*"1377 <div id="rfc.figure.u.36"></div><pre class="inline"><span id="rfc.iref.g.73"></span> Request-URI = "*" 1373 1378 | absoluteURI 1374 1379 | ( path-absolute [ "?" query ] ) … … 1431 1436 <h1 id="rfc.section.6"><a href="#rfc.section.6">6.</a> <a id="response" href="#response">Response</a></h1> 1432 1437 <p id="rfc.section.6.p.1">After receiving and interpreting a request message, a server responds with an HTTP response message.</p> 1433 <div id="rfc.figure.u.40"></div><pre class="inline"><span id="rfc.iref.g.7 3"></span> Response = Status-Line ; <a href="#status-line" title="Status-Line">Section 6.1</a>1438 <div id="rfc.figure.u.40"></div><pre class="inline"><span id="rfc.iref.g.74"></span> Response = Status-Line ; <a href="#status-line" title="Status-Line">Section 6.1</a> 1434 1439 *(( general-header ; <a href="#general.header.fields" title="General Header Fields">Section 4.5</a> 1435 1440 | response-header ; <a href="#Part2" id="rfc.xref.Part2.9"><cite title="HTTP/1.1, part 2: Message Semantics">[Part2]</cite></a>, <a href="p2-semantics.html#response.header.fields" title="Response Header Fields">Section 6</a> … … 1442 1447 CRLF sequence. 1443 1448 </p> 1444 <div id="rfc.figure.u.41"></div><pre class="inline"><span id="rfc.iref.g.7 4"></span> Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF1449 <div id="rfc.figure.u.41"></div><pre class="inline"><span id="rfc.iref.g.75"></span> Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF 1445 1450 </pre><h3 id="rfc.section.6.1.1"><a href="#rfc.section.6.1.1">6.1.1</a> <a id="status.code.and.reason.phrase" href="#status.code.and.reason.phrase">Status Code and Reason Phrase</a></h3> 1446 1451 <p id="rfc.section.6.1.1.p.1">The Status-Code element is a 3-digit integer result code of the attempt to understand and satisfy the request. These codes … … 1459 1464 <li>5xx: Server Error - The server failed to fulfill an apparently valid request</li> 1460 1465 </ul> 1461 <div id="rfc.figure.u.42"></div><pre class="inline"><span id="rfc.iref.g.7 5"></span><span id="rfc.iref.g.76"></span><span id="rfc.iref.g.77"></span> Status-Code = 3DIGIT1466 <div id="rfc.figure.u.42"></div><pre class="inline"><span id="rfc.iref.g.76"></span><span id="rfc.iref.g.77"></span><span id="rfc.iref.g.78"></span> Status-Code = 3DIGIT 1462 1467 Reason-Phrase = *<TEXT, excluding CR, LF> 1463 1468 </pre><h1 id="rfc.section.7"><a href="#rfc.section.7">7.</a> <a id="connections" href="#connections">Connections</a></h1> … … 1650 1655 </p> 1651 1656 <p id="rfc.section.8.1.p.2">The Connection header has the following grammar:</p> 1652 <div id="rfc.figure.u.43"></div><pre class="inline"><span id="rfc.iref.g.7 8"></span><span id="rfc.iref.g.79"></span> Connection = "Connection" ":" 1#(connection-token)1657 <div id="rfc.figure.u.43"></div><pre class="inline"><span id="rfc.iref.g.79"></span><span id="rfc.iref.g.80"></span> Connection = "Connection" ":" 1#(connection-token) 1653 1658 connection-token = token 1654 1659 </pre><p id="rfc.section.8.1.p.4">HTTP/1.1 proxies <em class="bcp14">MUST</em> parse the Connection header field before a message is forwarded and, for each connection-token in this field, remove any header … … 1678 1683 or, in the case of the HEAD method, the size of the entity-body that would have been sent had the request been a GET. 1679 1684 </p> 1680 <div id="rfc.figure.u.45"></div><pre class="inline"><span id="rfc.iref.g.8 0"></span> Content-Length = "Content-Length" ":" 1*DIGIT1685 <div id="rfc.figure.u.45"></div><pre class="inline"><span id="rfc.iref.g.81"></span> Content-Length = "Content-Length" ":" 1*DIGIT 1681 1686 </pre><p id="rfc.section.8.2.p.3">An example is</p> 1682 1687 <div id="rfc.figure.u.46"></div><pre class="text"> Content-Length: 3495 … … 1695 1700 as orig-date in <a href="http://tools.ietf.org/html/rfc2822#section-3.6.1">Section 3.6.1</a> of <a href="#RFC2822" id="rfc.xref.RFC2822.4"><cite title="Internet Message Format">[RFC2822]</cite></a>. The field value is an HTTP-date, as described in <a href="#full.date" title="Full Date">Section 3.3.1</a>; it <em class="bcp14">MUST</em> be sent in rfc1123-date format. 1696 1701 </p> 1697 <div id="rfc.figure.u.47"></div><pre class="inline"><span id="rfc.iref.g.8 1"></span> Date = "Date" ":" HTTP-date1702 <div id="rfc.figure.u.47"></div><pre class="inline"><span id="rfc.iref.g.82"></span> Date = "Date" ":" HTTP-date 1698 1703 </pre><p id="rfc.section.8.3.p.3">An example is</p> 1699 1704 <div id="rfc.figure.u.48"></div><pre class="text"> Date: Tue, 15 Nov 1994 08:12:31 GMT … … 1733 1738 a single IP address. 1734 1739 </p> 1735 <div id="rfc.figure.u.49"></div><pre class="inline"><span id="rfc.iref.g.8 2"></span> Host = "Host" ":" uri-host [ ":" port ] ; <a href="#http.url" title="http URL">Section 3.2.2</a>1740 <div id="rfc.figure.u.49"></div><pre class="inline"><span id="rfc.iref.g.83"></span> Host = "Host" ":" uri-host [ ":" port ] ; <a href="#http.url" title="http URL">Section 3.2.2</a> 1736 1741 </pre><p id="rfc.section.8.4.p.3">A "host" without any trailing port information implies the default port for the service requested (e.g., "80" for an HTTP 1737 1742 URL). For example, a request on the origin server for <http://www.example.org/pub/WWW/> would properly include: … … 1752 1757 and/or a comma-separated list of extension transfer-coding names with optional accept parameters (as described in <a href="#transfer.codings" title="Transfer Codings">Section 3.4</a>). 1753 1758 </p> 1754 <div id="rfc.figure.u.51"></div><pre class="inline"><span id="rfc.iref.g.8 3"></span><span id="rfc.iref.g.84"></span> TE = "TE" ":" #( t-codings )1759 <div id="rfc.figure.u.51"></div><pre class="inline"><span id="rfc.iref.g.84"></span><span id="rfc.iref.g.85"></span> TE = "TE" ":" #( t-codings ) 1755 1760 t-codings = "trailers" | ( transfer-extension [ accept-params ] ) 1756 1761 </pre><p id="rfc.section.8.5.p.3">The presence of the keyword "trailers" indicates that the client is willing to accept trailer fields in a chunked transfer-coding, … … 1795 1800 with chunked transfer-coding. 1796 1801 </p> 1797 <div id="rfc.figure.u.53"></div><pre class="inline"><span id="rfc.iref.g.8 5"></span> Trailer = "Trailer" ":" 1#field-name1802 <div id="rfc.figure.u.53"></div><pre class="inline"><span id="rfc.iref.g.86"></span> Trailer = "Trailer" ":" 1#field-name 1798 1803 </pre><p id="rfc.section.8.6.p.3">An HTTP/1.1 message <em class="bcp14">SHOULD</em> include a Trailer header field in a message using chunked transfer-coding with a non-empty trailer. Doing so allows the recipient 1799 1804 to know which header fields to expect in the trailer. … … 1815 1820 transfer-coding is a property of the message, not of the entity. 1816 1821 </p> 1817 <div id="rfc.figure.u.54"></div><pre class="inline"><span id="rfc.iref.g.8 6"></span> Transfer-Encoding = "Transfer-Encoding" ":" 1#transfer-coding1822 <div id="rfc.figure.u.54"></div><pre class="inline"><span id="rfc.iref.g.87"></span> Transfer-Encoding = "Transfer-Encoding" ":" 1#transfer-coding 1818 1823 </pre><p id="rfc.section.8.7.p.3">Transfer-codings are defined in <a href="#transfer.codings" title="Transfer Codings">Section 3.4</a>. An example is: 1819 1824 </p> … … 1828 1833 to use if the server finds it appropriate to switch protocols. The server <em class="bcp14">MUST</em> use the Upgrade header field within a 101 (Switching Protocols) response to indicate which protocol(s) are being switched. 1829 1834 </p> 1830 <div id="rfc.figure.u.56"></div><pre class="inline"><span id="rfc.iref.g.8 7"></span> Upgrade = "Upgrade" ":" 1#product1835 <div id="rfc.figure.u.56"></div><pre class="inline"><span id="rfc.iref.g.88"></span> Upgrade = "Upgrade" ":" 1#product 1831 1836 </pre><p id="rfc.section.8.8.p.3">For example,</p> 1832 1837 <div id="rfc.figure.u.57"></div><pre class="text"> Upgrade: HTTP/2.0, SHTTP/1.3, IRC/6.9, RTA/x11 … … 1859 1864 of all senders along the request/response chain. 1860 1865 </p> 1861 <div id="rfc.figure.u.58"></div><pre class="inline"><span id="rfc.iref.g.8 8"></span><span id="rfc.iref.g.89"></span><span id="rfc.iref.g.90"></span><span id="rfc.iref.g.91"></span><span id="rfc.iref.g.92"></span><span id="rfc.iref.g.93"></span> Via = "Via" ":" 1#( received-protocol received-by [ comment ] )1866 <div id="rfc.figure.u.58"></div><pre class="inline"><span id="rfc.iref.g.89"></span><span id="rfc.iref.g.90"></span><span id="rfc.iref.g.91"></span><span id="rfc.iref.g.92"></span><span id="rfc.iref.g.93"></span><span id="rfc.iref.g.94"></span> Via = "Via" ":" 1#( received-protocol received-by [ comment ] ) 1862 1867 received-protocol = [ protocol-name "/" ] protocol-version 1863 1868 protocol-name = token … … 2510 2515 <li>Move "Product Tokens" section (back) into Part 1, as "token" is used in the definition of the Upgrade header.</li> 2511 2516 <li>Add explicit references to BNF syntax and rules imported from other parts of the specification.</li> 2517 <li>Rewrite prose rule "token" in terms of "tchar".</li> 2512 2518 </ul> 2513 2519 <h1><a id="rfc.copyright" href="#rfc.copyright">Full Copyright Statement</a></h1> … … 2570 2576 <li class="indline1"><tt>Grammar</tt> 2571 2577 <ul class="ind"> 2572 <li class="indline1"><tt>absoluteURI</tt> <a class="iref" href="#rfc.iref.g.2 4"><b>3.2.1</b></a></li>2578 <li class="indline1"><tt>absoluteURI</tt> <a class="iref" href="#rfc.iref.g.25"><b>3.2.1</b></a></li> 2573 2579 <li class="indline1"><tt>ALPHA</tt> <a class="iref" href="#rfc.iref.g.4"><b>2.2</b></a></li> 2574 <li class="indline1"><tt>asctime-date</tt> <a class="iref" href="#rfc.iref.g.3 5"><b>3.3.1</b></a></li>2575 <li class="indline1"><tt>attribute</tt> <a class="iref" href="#rfc.iref.g.4 6"><b>3.4</b></a></li>2576 <li class="indline1"><tt>authority</tt> <a class="iref" href="#rfc.iref.g.2 5"><b>3.2.1</b></a></li>2580 <li class="indline1"><tt>asctime-date</tt> <a class="iref" href="#rfc.iref.g.36"><b>3.3.1</b></a></li> 2581 <li class="indline1"><tt>attribute</tt> <a class="iref" href="#rfc.iref.g.47"><b>3.4</b></a></li> 2582 <li class="indline1"><tt>authority</tt> <a class="iref" href="#rfc.iref.g.26"><b>3.2.1</b></a></li> 2577 2583 <li class="indline1"><tt>CHAR</tt> <a class="iref" href="#rfc.iref.g.3"><b>2.2</b></a></li> 2578 <li class="indline1"><tt>chunk</tt> <a class="iref" href="#rfc.iref.g. 49"><b>3.4.1</b></a></li>2579 <li class="indline1"><tt>chunk-data</tt> <a class="iref" href="#rfc.iref.g.5 5"><b>3.4.1</b></a></li>2580 <li class="indline1"><tt>chunk-ext-name</tt> <a class="iref" href="#rfc.iref.g.5 3"><b>3.4.1</b></a></li>2581 <li class="indline1"><tt>chunk-ext-val</tt> <a class="iref" href="#rfc.iref.g.5 4"><b>3.4.1</b></a></li>2582 <li class="indline1"><tt>chunk-extension</tt> <a class="iref" href="#rfc.iref.g.5 2"><b>3.4.1</b></a></li>2583 <li class="indline1"><tt>chunk-size</tt> <a class="iref" href="#rfc.iref.g.5 0"><b>3.4.1</b></a></li>2584 <li class="indline1"><tt>Chunked-Body</tt> <a class="iref" href="#rfc.iref.g.4 8"><b>3.4.1</b></a></li>2585 <li class="indline1"><tt>comment</tt> <a class="iref" href="#rfc.iref.g.1 8"><b>2.2</b></a></li>2586 <li class="indline1"><tt>Connection</tt> <a class="iref" href="#rfc.iref.g.7 8"><b>8.1</b></a></li>2587 <li class="indline1"><tt>connection-token</tt> <a class="iref" href="#rfc.iref.g. 79"><b>8.1</b></a></li>2588 <li class="indline1"><tt>Content-Length</tt> <a class="iref" href="#rfc.iref.g.8 0"><b>8.2</b></a></li>2584 <li class="indline1"><tt>chunk</tt> <a class="iref" href="#rfc.iref.g.50"><b>3.4.1</b></a></li> 2585 <li class="indline1"><tt>chunk-data</tt> <a class="iref" href="#rfc.iref.g.56"><b>3.4.1</b></a></li> 2586 <li class="indline1"><tt>chunk-ext-name</tt> <a class="iref" href="#rfc.iref.g.54"><b>3.4.1</b></a></li> 2587 <li class="indline1"><tt>chunk-ext-val</tt> <a class="iref" href="#rfc.iref.g.55"><b>3.4.1</b></a></li> 2588 <li class="indline1"><tt>chunk-extension</tt> <a class="iref" href="#rfc.iref.g.53"><b>3.4.1</b></a></li> 2589 <li class="indline1"><tt>chunk-size</tt> <a class="iref" href="#rfc.iref.g.51"><b>3.4.1</b></a></li> 2590 <li class="indline1"><tt>Chunked-Body</tt> <a class="iref" href="#rfc.iref.g.49"><b>3.4.1</b></a></li> 2591 <li class="indline1"><tt>comment</tt> <a class="iref" href="#rfc.iref.g.19"><b>2.2</b></a></li> 2592 <li class="indline1"><tt>Connection</tt> <a class="iref" href="#rfc.iref.g.79"><b>8.1</b></a></li> 2593 <li class="indline1"><tt>connection-token</tt> <a class="iref" href="#rfc.iref.g.80"><b>8.1</b></a></li> 2594 <li class="indline1"><tt>Content-Length</tt> <a class="iref" href="#rfc.iref.g.81"><b>8.2</b></a></li> 2589 2595 <li class="indline1"><tt>CR</tt> <a class="iref" href="#rfc.iref.g.7"><b>2.2</b></a></li> 2590 2596 <li class="indline1"><tt>CRLF</tt> <a class="iref" href="#rfc.iref.g.12"><b>2.2</b></a></li> 2591 <li class="indline1"><tt>ctext</tt> <a class="iref" href="#rfc.iref.g. 19"><b>2.2</b></a></li>2597 <li class="indline1"><tt>ctext</tt> <a class="iref" href="#rfc.iref.g.20"><b>2.2</b></a></li> 2592 2598 <li class="indline1"><tt>CTL</tt> <a class="iref" href="#rfc.iref.g.6"><b>2.2</b></a></li> 2593 <li class="indline1"><tt>Date</tt> <a class="iref" href="#rfc.iref.g.8 1"><b>8.3</b></a></li>2594 <li class="indline1"><tt>date1</tt> <a class="iref" href="#rfc.iref.g.3 6"><b>3.3.1</b></a></li>2595 <li class="indline1"><tt>date2</tt> <a class="iref" href="#rfc.iref.g.3 7"><b>3.3.1</b></a></li>2596 <li class="indline1"><tt>date3</tt> <a class="iref" href="#rfc.iref.g.3 8"><b>3.3.1</b></a></li>2599 <li class="indline1"><tt>Date</tt> <a class="iref" href="#rfc.iref.g.82"><b>8.3</b></a></li> 2600 <li class="indline1"><tt>date1</tt> <a class="iref" href="#rfc.iref.g.37"><b>3.3.1</b></a></li> 2601 <li class="indline1"><tt>date2</tt> <a class="iref" href="#rfc.iref.g.38"><b>3.3.1</b></a></li> 2602 <li class="indline1"><tt>date3</tt> <a class="iref" href="#rfc.iref.g.39"><b>3.3.1</b></a></li> 2597 2603 <li class="indline1"><tt>DIGIT</tt> <a class="iref" href="#rfc.iref.g.5"><b>2.2</b></a></li> 2598 2604 <li class="indline1"><tt>DQUOTE</tt> <a class="iref" href="#rfc.iref.g.11"><b>2.2</b></a></li> 2599 <li class="indline1"><tt>extension-code</tt> <a class="iref" href="#rfc.iref.g.7 6"><b>6.1.1</b></a></li>2600 <li class="indline1"><tt>extension-method</tt> <a class="iref" href="#rfc.iref.g.7 1"><b>5.1.1</b></a></li>2601 <li class="indline1"><tt>field-content</tt> <a class="iref" href="#rfc.iref.g.6 5"><b>4.2</b></a></li>2602 <li class="indline1"><tt>field-name</tt> <a class="iref" href="#rfc.iref.g.6 3"><b>4.2</b></a></li>2603 <li class="indline1"><tt>field-value</tt> <a class="iref" href="#rfc.iref.g.6 4"><b>4.2</b></a></li>2604 <li class="indline1"><tt>general-header</tt> <a class="iref" href="#rfc.iref.g.6 7"><b>4.5</b></a></li>2605 <li class="indline1"><tt>generic-message</tt> <a class="iref" href="#rfc.iref.g.6 0"><b>4.1</b></a></li>2605 <li class="indline1"><tt>extension-code</tt> <a class="iref" href="#rfc.iref.g.77"><b>6.1.1</b></a></li> 2606 <li class="indline1"><tt>extension-method</tt> <a class="iref" href="#rfc.iref.g.72"><b>5.1.1</b></a></li> 2607 <li class="indline1"><tt>field-content</tt> <a class="iref" href="#rfc.iref.g.66"><b>4.2</b></a></li> 2608 <li class="indline1"><tt>field-name</tt> <a class="iref" href="#rfc.iref.g.64"><b>4.2</b></a></li> 2609 <li class="indline1"><tt>field-value</tt> <a class="iref" href="#rfc.iref.g.65"><b>4.2</b></a></li> 2610 <li class="indline1"><tt>general-header</tt> <a class="iref" href="#rfc.iref.g.68"><b>4.5</b></a></li> 2611 <li class="indline1"><tt>generic-message</tt> <a class="iref" href="#rfc.iref.g.61"><b>4.1</b></a></li> 2606 2612 <li class="indline1"><tt>HEX</tt> <a class="iref" href="#rfc.iref.g.15"><b>2.2</b></a></li> 2607 <li class="indline1"><tt>Host</tt> <a class="iref" href="#rfc.iref.g.8 2"><b>8.4</b></a></li>2613 <li class="indline1"><tt>Host</tt> <a class="iref" href="#rfc.iref.g.83"><b>8.4</b></a></li> 2608 2614 <li class="indline1"><tt>HTAB</tt> <a class="iref" href="#rfc.iref.g.10"><b>2.2</b></a></li> 2609 <li class="indline1"><tt>HTTP-date</tt> <a class="iref" href="#rfc.iref.g.3 2"><b>3.3.1</b></a></li>2610 <li class="indline1"><tt>HTTP-message</tt> <a class="iref" href="#rfc.iref.g. 59"><b>4.1</b></a></li>2611 <li class="indline1"><tt>http-URL</tt> <a class="iref" href="#rfc.iref.g.3 1"><b>3.2.2</b></a></li>2612 <li class="indline1"><tt>HTTP-Version</tt> <a class="iref" href="#rfc.iref.g.2 3"><b>3.1</b></a></li>2613 <li class="indline1"><tt>last-chunk</tt> <a class="iref" href="#rfc.iref.g.5 1"><b>3.4.1</b></a></li>2615 <li class="indline1"><tt>HTTP-date</tt> <a class="iref" href="#rfc.iref.g.33"><b>3.3.1</b></a></li> 2616 <li class="indline1"><tt>HTTP-message</tt> <a class="iref" href="#rfc.iref.g.60"><b>4.1</b></a></li> 2617 <li class="indline1"><tt>http-URL</tt> <a class="iref" href="#rfc.iref.g.32"><b>3.2.2</b></a></li> 2618 <li class="indline1"><tt>HTTP-Version</tt> <a class="iref" href="#rfc.iref.g.24"><b>3.1</b></a></li> 2619 <li class="indline1"><tt>last-chunk</tt> <a class="iref" href="#rfc.iref.g.52"><b>3.4.1</b></a></li> 2614 2620 <li class="indline1"><tt>LF</tt> <a class="iref" href="#rfc.iref.g.8"><b>2.2</b></a></li> 2615 2621 <li class="indline1"><tt>LWS</tt> <a class="iref" href="#rfc.iref.g.13"><b>2.2</b></a></li> 2616 <li class="indline1"><tt>message-body</tt> <a class="iref" href="#rfc.iref.g.6 6"><b>4.3</b></a></li>2617 <li class="indline1"><tt>message-header</tt> <a class="iref" href="#rfc.iref.g.6 2"><b>4.2</b></a></li>2618 <li class="indline1"><tt>Method</tt> <a class="iref" href="#rfc.iref.g.7 0"><b>5.1.1</b></a></li>2619 <li class="indline1"><tt>month</tt> <a class="iref" href="#rfc.iref.g.4 2"><b>3.3.1</b></a></li>2622 <li class="indline1"><tt>message-body</tt> <a class="iref" href="#rfc.iref.g.67"><b>4.3</b></a></li> 2623 <li class="indline1"><tt>message-header</tt> <a class="iref" href="#rfc.iref.g.63"><b>4.2</b></a></li> 2624 <li class="indline1"><tt>Method</tt> <a class="iref" href="#rfc.iref.g.71"><b>5.1.1</b></a></li> 2625 <li class="indline1"><tt>month</tt> <a class="iref" href="#rfc.iref.g.43"><b>3.3.1</b></a></li> 2620 2626 <li class="indline1"><tt>OCTET</tt> <a class="iref" href="#rfc.iref.g.2"><b>2.2</b></a></li> 2621 <li class="indline1"><tt>parameter</tt> <a class="iref" href="#rfc.iref.g.4 5"><b>3.4</b></a></li>2622 <li class="indline1"><tt>path-absolute</tt> <a class="iref" href="#rfc.iref.g.2 6"><b>3.2.1</b></a></li>2623 <li class="indline1"><tt>port</tt> <a class="iref" href="#rfc.iref.g.2 7"><b>3.2.1</b></a></li>2624 <li class="indline1"><tt>product</tt> <a class="iref" href="#rfc.iref.g.5 7"><b>3.5</b></a></li>2625 <li class="indline1"><tt>product-version</tt> <a class="iref" href="#rfc.iref.g.5 8"><b>3.5</b></a></li>2626 <li class="indline1"><tt>protocol-name</tt> <a class="iref" href="#rfc.iref.g.9 0"><b>8.9</b></a></li>2627 <li class="indline1"><tt>protocol-version</tt> <a class="iref" href="#rfc.iref.g.9 1"><b>8.9</b></a></li>2628 <li class="indline1"><tt>pseudonym</tt> <a class="iref" href="#rfc.iref.g.9 3"><b>8.9</b></a></li>2629 <li class="indline1"><tt>qdtext</tt> <a class="iref" href="#rfc.iref.g.2 1"><b>2.2</b></a></li>2630 <li class="indline1"><tt>query</tt> <a class="iref" href="#rfc.iref.g.2 8"><b>3.2.1</b></a></li>2631 <li class="indline1"><tt>quoted-pair</tt> <a class="iref" href="#rfc.iref.g.2 2"><b>2.2</b></a></li>2632 <li class="indline1"><tt>quoted-string</tt> <a class="iref" href="#rfc.iref.g.2 0"><b>2.2</b></a></li>2633 <li class="indline1"><tt>Reason-Phrase</tt> <a class="iref" href="#rfc.iref.g.7 7"><b>6.1.1</b></a></li>2634 <li class="indline1"><tt>received-by</tt> <a class="iref" href="#rfc.iref.g.9 2"><b>8.9</b></a></li>2635 <li class="indline1"><tt>received-protocol</tt> <a class="iref" href="#rfc.iref.g. 89"><b>8.9</b></a></li>2636 <li class="indline1"><tt>relativeURI</tt> <a class="iref" href="#rfc.iref.g. 29"><b>3.2.1</b></a></li>2637 <li class="indline1"><tt>Request</tt> <a class="iref" href="#rfc.iref.g.6 8"><b>5</b></a></li>2638 <li class="indline1"><tt>Request-Line</tt> <a class="iref" href="#rfc.iref.g. 69"><b>5.1</b></a></li>2639 <li class="indline1"><tt>Request-URI</tt> <a class="iref" href="#rfc.iref.g.7 2"><b>5.1.2</b></a></li>2640 <li class="indline1"><tt>Response</tt> <a class="iref" href="#rfc.iref.g.7 3"><b>6</b></a></li>2641 <li class="indline1"><tt>rfc1123-date</tt> <a class="iref" href="#rfc.iref.g.3 3"><b>3.3.1</b></a></li>2642 <li class="indline1"><tt>rfc850-date</tt> <a class="iref" href="#rfc.iref.g.3 4"><b>3.3.1</b></a></li>2643 <li class="indline1"><tt>separators</tt> <a class="iref" href="#rfc.iref.g.1 7"><b>2.2</b></a></li>2627 <li class="indline1"><tt>parameter</tt> <a class="iref" href="#rfc.iref.g.46"><b>3.4</b></a></li> 2628 <li class="indline1"><tt>path-absolute</tt> <a class="iref" href="#rfc.iref.g.27"><b>3.2.1</b></a></li> 2629 <li class="indline1"><tt>port</tt> <a class="iref" href="#rfc.iref.g.28"><b>3.2.1</b></a></li> 2630 <li class="indline1"><tt>product</tt> <a class="iref" href="#rfc.iref.g.58"><b>3.5</b></a></li> 2631 <li class="indline1"><tt>product-version</tt> <a class="iref" href="#rfc.iref.g.59"><b>3.5</b></a></li> 2632 <li class="indline1"><tt>protocol-name</tt> <a class="iref" href="#rfc.iref.g.91"><b>8.9</b></a></li> 2633 <li class="indline1"><tt>protocol-version</tt> <a class="iref" href="#rfc.iref.g.92"><b>8.9</b></a></li> 2634 <li class="indline1"><tt>pseudonym</tt> <a class="iref" href="#rfc.iref.g.94"><b>8.9</b></a></li> 2635 <li class="indline1"><tt>qdtext</tt> <a class="iref" href="#rfc.iref.g.22"><b>2.2</b></a></li> 2636 <li class="indline1"><tt>query</tt> <a class="iref" href="#rfc.iref.g.29"><b>3.2.1</b></a></li> 2637 <li class="indline1"><tt>quoted-pair</tt> <a class="iref" href="#rfc.iref.g.23"><b>2.2</b></a></li> 2638 <li class="indline1"><tt>quoted-string</tt> <a class="iref" href="#rfc.iref.g.21"><b>2.2</b></a></li> 2639 <li class="indline1"><tt>Reason-Phrase</tt> <a class="iref" href="#rfc.iref.g.78"><b>6.1.1</b></a></li> 2640 <li class="indline1"><tt>received-by</tt> <a class="iref" href="#rfc.iref.g.93"><b>8.9</b></a></li> 2641 <li class="indline1"><tt>received-protocol</tt> <a class="iref" href="#rfc.iref.g.90"><b>8.9</b></a></li> 2642 <li class="indline1"><tt>relativeURI</tt> <a class="iref" href="#rfc.iref.g.30"><b>3.2.1</b></a></li> 2643 <li class="indline1"><tt>Request</tt> <a class="iref" href="#rfc.iref.g.69"><b>5</b></a></li> 2644 <li class="indline1"><tt>Request-Line</tt> <a class="iref" href="#rfc.iref.g.70"><b>5.1</b></a></li> 2645 <li class="indline1"><tt>Request-URI</tt> <a class="iref" href="#rfc.iref.g.73"><b>5.1.2</b></a></li> 2646 <li class="indline1"><tt>Response</tt> <a class="iref" href="#rfc.iref.g.74"><b>6</b></a></li> 2647 <li class="indline1"><tt>rfc1123-date</tt> <a class="iref" href="#rfc.iref.g.34"><b>3.3.1</b></a></li> 2648 <li class="indline1"><tt>rfc850-date</tt> <a class="iref" href="#rfc.iref.g.35"><b>3.3.1</b></a></li> 2649 <li class="indline1"><tt>separators</tt> <a class="iref" href="#rfc.iref.g.18"><b>2.2</b></a></li> 2644 2650 <li class="indline1"><tt>SP</tt> <a class="iref" href="#rfc.iref.g.9"><b>2.2</b></a></li> 2645 <li class="indline1"><tt>start-line</tt> <a class="iref" href="#rfc.iref.g.61"><b>4.1</b></a></li> 2646 <li class="indline1"><tt>Status-Code</tt> <a class="iref" href="#rfc.iref.g.75"><b>6.1.1</b></a></li> 2647 <li class="indline1"><tt>Status-Line</tt> <a class="iref" href="#rfc.iref.g.74"><b>6.1</b></a></li> 2648 <li class="indline1"><tt>t-codings</tt> <a class="iref" href="#rfc.iref.g.84"><b>8.5</b></a></li> 2649 <li class="indline1"><tt>TE</tt> <a class="iref" href="#rfc.iref.g.83"><b>8.5</b></a></li> 2651 <li class="indline1"><tt>start-line</tt> <a class="iref" href="#rfc.iref.g.62"><b>4.1</b></a></li> 2652 <li class="indline1"><tt>Status-Code</tt> <a class="iref" href="#rfc.iref.g.76"><b>6.1.1</b></a></li> 2653 <li class="indline1"><tt>Status-Line</tt> <a class="iref" href="#rfc.iref.g.75"><b>6.1</b></a></li> 2654 <li class="indline1"><tt>t-codings</tt> <a class="iref" href="#rfc.iref.g.85"><b>8.5</b></a></li> 2655 <li class="indline1"><tt>tchar</tt> <a class="iref" href="#rfc.iref.g.17"><b>2.2</b></a></li> 2656 <li class="indline1"><tt>TE</tt> <a class="iref" href="#rfc.iref.g.84"><b>8.5</b></a></li> 2650 2657 <li class="indline1"><tt>TEXT</tt> <a class="iref" href="#rfc.iref.g.14"><b>2.2</b></a></li> 2651 <li class="indline1"><tt>time</tt> <a class="iref" href="#rfc.iref.g. 39"><b>3.3.1</b></a></li>2658 <li class="indline1"><tt>time</tt> <a class="iref" href="#rfc.iref.g.40"><b>3.3.1</b></a></li> 2652 2659 <li class="indline1"><tt>token</tt> <a class="iref" href="#rfc.iref.g.16"><b>2.2</b></a></li> 2653 <li class="indline1"><tt>Trailer</tt> <a class="iref" href="#rfc.iref.g.8 5"><b>8.6</b></a></li>2654 <li class="indline1"><tt>trailer-part</tt> <a class="iref" href="#rfc.iref.g.5 6"><b>3.4.1</b></a></li>2655 <li class="indline1"><tt>transfer-coding</tt> <a class="iref" href="#rfc.iref.g.4 3"><b>3.4</b></a></li>2656 <li class="indline1"><tt>Transfer-Encoding</tt> <a class="iref" href="#rfc.iref.g.8 6"><b>8.7</b></a></li>2657 <li class="indline1"><tt>transfer-extension</tt> <a class="iref" href="#rfc.iref.g.4 4"><b>3.4</b></a></li>2658 <li class="indline1"><tt>Upgrade</tt> <a class="iref" href="#rfc.iref.g.8 7"><b>8.8</b></a></li>2659 <li class="indline1"><tt>uri-host</tt> <a class="iref" href="#rfc.iref.g.3 0"><b>3.2.1</b></a></li>2660 <li class="indline1"><tt>value</tt> <a class="iref" href="#rfc.iref.g.4 7"><b>3.4</b></a></li>2661 <li class="indline1"><tt>Via</tt> <a class="iref" href="#rfc.iref.g.8 8"><b>8.9</b></a></li>2662 <li class="indline1"><tt>weekday</tt> <a class="iref" href="#rfc.iref.g.4 1"><b>3.3.1</b></a></li>2663 <li class="indline1"><tt>wkday</tt> <a class="iref" href="#rfc.iref.g.4 0"><b>3.3.1</b></a></li>2660 <li class="indline1"><tt>Trailer</tt> <a class="iref" href="#rfc.iref.g.86"><b>8.6</b></a></li> 2661 <li class="indline1"><tt>trailer-part</tt> <a class="iref" href="#rfc.iref.g.57"><b>3.4.1</b></a></li> 2662 <li class="indline1"><tt>transfer-coding</tt> <a class="iref" href="#rfc.iref.g.44"><b>3.4</b></a></li> 2663 <li class="indline1"><tt>Transfer-Encoding</tt> <a class="iref" href="#rfc.iref.g.87"><b>8.7</b></a></li> 2664 <li class="indline1"><tt>transfer-extension</tt> <a class="iref" href="#rfc.iref.g.45"><b>3.4</b></a></li> 2665 <li class="indline1"><tt>Upgrade</tt> <a class="iref" href="#rfc.iref.g.88"><b>8.8</b></a></li> 2666 <li class="indline1"><tt>uri-host</tt> <a class="iref" href="#rfc.iref.g.31"><b>3.2.1</b></a></li> 2667 <li class="indline1"><tt>value</tt> <a class="iref" href="#rfc.iref.g.48"><b>3.4</b></a></li> 2668 <li class="indline1"><tt>Via</tt> <a class="iref" href="#rfc.iref.g.89"><b>8.9</b></a></li> 2669 <li class="indline1"><tt>weekday</tt> <a class="iref" href="#rfc.iref.g.42"><b>3.3.1</b></a></li> 2670 <li class="indline1"><tt>wkday</tt> <a class="iref" href="#rfc.iref.g.41"><b>3.3.1</b></a></li> 2664 2671 </ul> 2665 2672 </li>
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