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Changeset 2584
- Timestamp:
- 26/01/14 03:52:34 (7 years ago)
- Location:
- draft-ietf-httpbis/latest
- Files:
-
- 3 edited
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httpbis.abnf (modified) (2 diffs)
-
p1-messaging.html (modified) (28 diffs)
-
p1-messaging.xml (modified) (5 diffs)
Legend:
- Unmodified
- Added
- Removed
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draft-ietf-httpbis/latest/httpbis.abnf
r2544 r2584 126 126 / obs-text 127 127 extension-pragma = token [ "=" ( token / quoted-string ) ] 128 field-content = *( HTAB / SP / VCHAR / obs-text )128 field-content = field-vchar [ *( SP / HTAB ) field-vchar ] 129 129 field-name = token 130 130 field-value = *( field-content / obs-fold ) 131 field-vchar = VCHAR / obs-text 131 132 first-byte-pos = 1*DIGIT 132 133 fragment = <fragment, defined in [RFC3986], Section 3.5> … … 159 160 160 161 obs-date = rfc850-date / asctime-date 161 obs-fold = CRLF ( SP / HTAB )162 obs-fold = CRLF 1*( SP / HTAB ) 162 163 obs-text = %x80-FF 163 164 opaque-tag = DQUOTE *etagc DQUOTE -
draft-ietf-httpbis/latest/p1-messaging.html
r2583 r2584 1268 1268 value, and optional trailing whitespace. 1269 1269 </p> 1270 <div id="rfc.figure.u.18"></div><pre class="inline"><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> <a href="#header.fields" class="smpl">header-field</a> = <a href="#header.fields" class="smpl">field-name</a> ":" <a href="#rule.whitespace" class="smpl">OWS</a> <a href="#header.fields" class="smpl">field-value</a> <a href="#rule.whitespace" class="smpl">OWS</a> 1270 <div id="rfc.figure.u.18"></div><pre class="inline"><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> <a href="#header.fields" class="smpl">header-field</a> = <a href="#header.fields" class="smpl">field-name</a> ":" <a href="#rule.whitespace" class="smpl">OWS</a> <a href="#header.fields" class="smpl">field-value</a> <a href="#rule.whitespace" class="smpl">OWS</a> 1271 1271 1272 <a href="#header.fields" class="smpl">field-name</a> = <a href="#rule.token.separators" class="smpl">token</a> 1272 1273 <a href="#header.fields" class="smpl">field-value</a> = *( <a href="#header.fields" class="smpl">field-content</a> / <a href="#header.fields" class="smpl">obs-fold</a> ) 1273 <a href="#header.fields" class="smpl">field-content</a> = *( <a href="#core.rules" class="smpl">HTAB</a> / <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">VCHAR</a> / <a href="#rule.quoted-string" class="smpl">obs-text</a> ) 1274 <a href="#header.fields" class="smpl">obs-fold</a> = <a href="#core.rules" class="smpl">CRLF</a> ( <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">HTAB</a> ) 1274 <a href="#header.fields" class="smpl">field-content</a> = <a href="#header.fields" class="smpl">field-vchar</a> [ *( <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">HTAB</a> ) <a href="#header.fields" class="smpl">field-vchar</a> ] 1275 <a href="#header.fields" class="smpl">field-vchar</a> = <a href="#core.rules" class="smpl">VCHAR</a> / <a href="#rule.quoted-string" class="smpl">obs-text</a> 1276 1277 <a href="#header.fields" class="smpl">obs-fold</a> = <a href="#core.rules" class="smpl">CRLF</a> 1*( <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">HTAB</a> ) 1275 1278 ; obsolete line folding 1276 1279 ; see <a href="#field.parsing" title="Field Parsing">Section 3.2.4</a> … … 1337 1340 <p id="rfc.section.3.2.3.p.5"> </p> 1338 1341 </div> 1339 <div id="rfc.figure.u.19"></div><pre class="inline"><span id="rfc.iref.g.4 0"></span><span id="rfc.iref.g.41"></span><span id="rfc.iref.g.42"></span> <a href="#rule.whitespace" class="smpl">OWS</a> = *( <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">HTAB</a> )1342 <div id="rfc.figure.u.19"></div><pre class="inline"><span id="rfc.iref.g.41"></span><span id="rfc.iref.g.42"></span><span id="rfc.iref.g.43"></span> <a href="#rule.whitespace" class="smpl">OWS</a> = *( <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">HTAB</a> ) 1340 1343 ; optional whitespace 1341 1344 <a href="#rule.whitespace" class="smpl">RWS</a> = 1*( <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">HTAB</a> ) … … 1361 1364 be excluded by parsers when extracting the field value from a header field. 1362 1365 </p> 1363 <p id="rfc.section.3.2.4.p.4">A recipient of field-content containing multiple sequential octets of optional (OWS) or required (RWS) whitespace <em class="bcp14">SHOULD</em> either replace the sequence with a single SP or transform any non-SP octets in the sequence to SP octets before interpreting 1364 the field value or forwarding the message downstream. 1365 </p> 1366 <p id="rfc.section.3.2.4.p.5">Historically, HTTP header field values could be extended over multiple lines by preceding each extra line with at least one 1366 <p id="rfc.section.3.2.4.p.4">Historically, HTTP header field values could be extended over multiple lines by preceding each extra line with at least one 1367 1367 space or horizontal tab (obs-fold). This specification deprecates such line folding except within the message/http media type 1368 1368 (<a href="#internet.media.type.message.http" title="Internet Media Type message/http">Section 8.3.1</a>). A sender <em class="bcp14">MUST NOT</em> generate a message that includes line folding (i.e., that has any field-value that contains a match to the <a href="#header.fields" class="smpl">obs-fold</a> rule) unless the message is intended for packaging within the message/http media type. 1369 1369 </p> 1370 <p id="rfc.section.3.2.4.p. 6">A server that receives an <a href="#header.fields" class="smpl">obs-fold</a> in a request message that is not within a message/http container <em class="bcp14">MUST</em> either reject the message by sending a <a href="p2-semantics.html#status.400" class="smpl">400 (Bad Request)</a>, preferably with a representation explaining that obsolete line folding is unacceptable, or replace each received <a href="#header.fields" class="smpl">obs-fold</a> with one or more <a href="#core.rules" class="smpl">SP</a> octets prior to interpreting the field value or forwarding the message downstream.1371 </p> 1372 <p id="rfc.section.3.2.4.p. 7">A proxy or gateway that receives an <a href="#header.fields" class="smpl">obs-fold</a> in a response message that is not within a message/http container <em class="bcp14">MUST</em> either discard the message and replace it with a <a href="p2-semantics.html#status.502" class="smpl">502 (Bad Gateway)</a> response, preferably with a representation explaining that unacceptable line folding was received, or replace each received <a href="#header.fields" class="smpl">obs-fold</a> with one or more <a href="#core.rules" class="smpl">SP</a> octets prior to interpreting the field value or forwarding the message downstream.1373 </p> 1374 <p id="rfc.section.3.2.4.p. 8">A user agent that receives an <a href="#header.fields" class="smpl">obs-fold</a> in a response message that is not within a message/http container <em class="bcp14">MUST</em> replace each received <a href="#header.fields" class="smpl">obs-fold</a> with one or more <a href="#core.rules" class="smpl">SP</a> octets prior to interpreting the field value.1375 </p> 1376 <p id="rfc.section.3.2.4.p. 9">Historically, HTTP has allowed field content with text in the ISO-8859-1 <a href="#ISO-8859-1" id="rfc.xref.ISO-8859-1.1"><cite title="Information technology -- 8-bit single-byte coded graphic character sets -- Part 1: Latin alphabet No. 1">[ISO-8859-1]</cite></a> charset, supporting other charsets only through use of <a href="#RFC2047" id="rfc.xref.RFC2047.1"><cite title="MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text">[RFC2047]</cite></a> encoding. In practice, most HTTP header field values use only a subset of the US-ASCII charset <a href="#USASCII" id="rfc.xref.USASCII.3"><cite title="Coded Character Set -- 7-bit American Standard Code for Information Interchange">[USASCII]</cite></a>. Newly defined header fields <em class="bcp14">SHOULD</em> limit their field values to US-ASCII octets. A recipient <em class="bcp14">SHOULD</em> treat other octets in field content (obs-text) as opaque data.1370 <p id="rfc.section.3.2.4.p.5">A server that receives an <a href="#header.fields" class="smpl">obs-fold</a> in a request message that is not within a message/http container <em class="bcp14">MUST</em> either reject the message by sending a <a href="p2-semantics.html#status.400" class="smpl">400 (Bad Request)</a>, preferably with a representation explaining that obsolete line folding is unacceptable, or replace each received <a href="#header.fields" class="smpl">obs-fold</a> with one or more <a href="#core.rules" class="smpl">SP</a> octets prior to interpreting the field value or forwarding the message downstream. 1371 </p> 1372 <p id="rfc.section.3.2.4.p.6">A proxy or gateway that receives an <a href="#header.fields" class="smpl">obs-fold</a> in a response message that is not within a message/http container <em class="bcp14">MUST</em> either discard the message and replace it with a <a href="p2-semantics.html#status.502" class="smpl">502 (Bad Gateway)</a> response, preferably with a representation explaining that unacceptable line folding was received, or replace each received <a href="#header.fields" class="smpl">obs-fold</a> with one or more <a href="#core.rules" class="smpl">SP</a> octets prior to interpreting the field value or forwarding the message downstream. 1373 </p> 1374 <p id="rfc.section.3.2.4.p.7">A user agent that receives an <a href="#header.fields" class="smpl">obs-fold</a> in a response message that is not within a message/http container <em class="bcp14">MUST</em> replace each received <a href="#header.fields" class="smpl">obs-fold</a> with one or more <a href="#core.rules" class="smpl">SP</a> octets prior to interpreting the field value. 1375 </p> 1376 <p id="rfc.section.3.2.4.p.8">Historically, HTTP has allowed field content with text in the ISO-8859-1 <a href="#ISO-8859-1" id="rfc.xref.ISO-8859-1.1"><cite title="Information technology -- 8-bit single-byte coded graphic character sets -- Part 1: Latin alphabet No. 1">[ISO-8859-1]</cite></a> charset, supporting other charsets only through use of <a href="#RFC2047" id="rfc.xref.RFC2047.1"><cite title="MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text">[RFC2047]</cite></a> encoding. In practice, most HTTP header field values use only a subset of the US-ASCII charset <a href="#USASCII" id="rfc.xref.USASCII.3"><cite title="Coded Character Set -- 7-bit American Standard Code for Information Interchange">[USASCII]</cite></a>. Newly defined header fields <em class="bcp14">SHOULD</em> limit their field values to US-ASCII octets. A recipient <em class="bcp14">SHOULD</em> treat other octets in field content (obs-text) as opaque data. 1377 1377 </p> 1378 1378 </div> … … 1397 1397 </p> 1398 1398 </div> 1399 <div id="rfc.figure.u.20"></div><pre class="inline"><span id="rfc.iref.g.4 3"></span><span id="rfc.iref.g.44"></span> <a href="#rule.token.separators" class="smpl">token</a> = 1*<a href="#rule.token.separators" class="smpl">tchar</a>1399 <div id="rfc.figure.u.20"></div><pre class="inline"><span id="rfc.iref.g.44"></span><span id="rfc.iref.g.45"></span> <a href="#rule.token.separators" class="smpl">token</a> = 1*<a href="#rule.token.separators" class="smpl">tchar</a> 1400 1400 1401 1401 <a href="#rule.token.separators" class="smpl">tchar</a> = "!" / "#" / "$" / "%" / "&" / "'" / "*" … … 1406 1406 <p id="rfc.section.3.2.6.p.3"> A string of text is parsed as a single value if it is quoted using double-quote marks.</p> 1407 1407 </div> 1408 <div id="rfc.figure.u.21"></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> <a href="#rule.quoted-string" class="smpl">quoted-string</a> = <a href="#core.rules" class="smpl">DQUOTE</a> *( <a href="#rule.quoted-string" class="smpl">qdtext</a> / <a href="#rule.quoted-pair" class="smpl">quoted-pair</a> ) <a href="#core.rules" class="smpl">DQUOTE</a>1408 <div id="rfc.figure.u.21"></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> <a href="#rule.quoted-string" class="smpl">quoted-string</a> = <a href="#core.rules" class="smpl">DQUOTE</a> *( <a href="#rule.quoted-string" class="smpl">qdtext</a> / <a href="#rule.quoted-pair" class="smpl">quoted-pair</a> ) <a href="#core.rules" class="smpl">DQUOTE</a> 1409 1409 <a href="#rule.quoted-string" class="smpl">qdtext</a> = <a href="#core.rules" class="smpl">HTAB</a> / <a href="#core.rules" class="smpl">SP</a> /%x21 / %x23-5B / %x5D-7E / <a href="#rule.quoted-string" class="smpl">obs-text</a> 1410 1410 <a href="#rule.quoted-string" class="smpl">obs-text</a> = %x80-FF … … 1414 1414 </p> 1415 1415 </div> 1416 <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.4 8"></span><span id="rfc.iref.g.49"></span> <a href="#rule.comment" class="smpl">comment</a> = "(" *( <a href="#rule.comment" class="smpl">ctext</a> / <a href="#rule.quoted-pair" class="smpl">quoted-pair</a> / <a href="#rule.comment" class="smpl">comment</a> ) ")"1416 <div id="rfc.figure.u.22"></div><pre class="inline"><span id="rfc.iref.g.49"></span><span id="rfc.iref.g.50"></span> <a href="#rule.comment" class="smpl">comment</a> = "(" *( <a href="#rule.comment" class="smpl">ctext</a> / <a href="#rule.quoted-pair" class="smpl">quoted-pair</a> / <a href="#rule.comment" class="smpl">comment</a> ) ")" 1417 1417 <a href="#rule.comment" class="smpl">ctext</a> = <a href="#core.rules" class="smpl">HTAB</a> / <a href="#core.rules" class="smpl">SP</a> / %x21-27 / %x2A-5B / %x5D-7E / <a href="#rule.quoted-string" class="smpl">obs-text</a> 1418 1418 </pre><div id="rule.quoted-pair"> … … 1421 1421 </p> 1422 1422 </div> 1423 <div id="rfc.figure.u.23"></div><pre class="inline"><span id="rfc.iref.g.5 0"></span> <a href="#rule.quoted-pair" class="smpl">quoted-pair</a> = "\" ( <a href="#core.rules" class="smpl">HTAB</a> / <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">VCHAR</a> / <a href="#rule.quoted-string" class="smpl">obs-text</a> )1423 <div id="rfc.figure.u.23"></div><pre class="inline"><span id="rfc.iref.g.51"></span> <a href="#rule.quoted-pair" class="smpl">quoted-pair</a> = "\" ( <a href="#core.rules" class="smpl">HTAB</a> / <a href="#core.rules" class="smpl">SP</a> / <a href="#core.rules" class="smpl">VCHAR</a> / <a href="#rule.quoted-string" class="smpl">obs-text</a> ) 1424 1424 </pre><p id="rfc.section.3.2.6.p.9">A sender <em class="bcp14">SHOULD NOT</em> generate a quoted-pair in a quoted-string except where necessary to quote DQUOTE and backslash octets occurring within that 1425 1425 string. A sender <em class="bcp14">SHOULD NOT</em> generate a quoted-pair in a comment except where necessary to quote parentheses ["(" and ")"] and backslash octets occurring … … 1433 1433 is identical to the payload body unless a transfer coding has been applied, as described in <a href="#header.transfer-encoding" id="rfc.xref.header.transfer-encoding.1" title="Transfer-Encoding">Section 3.3.1</a>. 1434 1434 </p> 1435 <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.5 1"></span> <a href="#message.body" class="smpl">message-body</a> = *OCTET1435 <div id="rfc.figure.u.24"></div><pre class="inline"><span id="rfc.iref.g.52"></span> <a href="#message.body" class="smpl">message-body</a> = *OCTET 1436 1436 </pre><p id="rfc.section.3.3.p.3">The rules for when a message body is allowed in a message differ for requests and responses.</p> 1437 1437 <p id="rfc.section.3.3.p.4">The presence of a message body in a request is signaled by a <a href="#header.content-length" class="smpl">Content-Length</a> or <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> header field. Request message framing is independent of method semantics, even if the method does not define any use for a … … 1449 1449 have been (or will be) applied to the payload body in order to form the message body. Transfer codings are defined in <a href="#transfer.codings" title="Transfer Codings">Section 4</a>. 1450 1450 </p> 1451 <div id="rfc.figure.u.25"></div><pre class="inline"><span id="rfc.iref.g.5 2"></span> <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> = 1#<a href="#transfer.codings" class="smpl">transfer-coding</a>1451 <div id="rfc.figure.u.25"></div><pre class="inline"><span id="rfc.iref.g.53"></span> <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> = 1#<a href="#transfer.codings" class="smpl">transfer-coding</a> 1452 1452 </pre><p id="rfc.section.3.3.1.p.3">Transfer-Encoding is analogous to the Content-Transfer-Encoding field of MIME, which was designed to enable safe transport 1453 1453 of binary data over a 7-bit transport service (<a href="#RFC2045" id="rfc.xref.RFC2045.2"><cite title="Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies">[RFC2045]</cite></a>, <a href="http://tools.ietf.org/html/rfc2045#section-6">Section 6</a>). However, safe transport has a different focus for an 8bit-clean transfer protocol. In HTTP's case, Transfer-Encoding is … … 1489 1489 indicates the size of the selected representation (<a href="p2-semantics.html#representations" title="Representations">Section 3</a> of <a href="#Part2" id="rfc.xref.Part2.16"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>). 1490 1490 </p> 1491 <div id="rfc.figure.u.27"></div><pre class="inline"><span id="rfc.iref.g.5 3"></span> <a href="#header.content-length" class="smpl">Content-Length</a> = 1*<a href="#core.rules" class="smpl">DIGIT</a>1491 <div id="rfc.figure.u.27"></div><pre class="inline"><span id="rfc.iref.g.54"></span> <a href="#header.content-length" class="smpl">Content-Length</a> = 1*<a href="#core.rules" class="smpl">DIGIT</a> 1492 1492 </pre><p id="rfc.section.3.3.2.p.3">An example is</p> 1493 1493 <div id="rfc.figure.u.28"></div><pre class="text"> Content-Length: 3495 … … 1637 1637 coding is a property of the message rather than a property of the representation that is being transferred. 1638 1638 </p> 1639 <div id="rfc.figure.u.29"></div><pre class="inline"><span id="rfc.iref.g.5 4"></span><span id="rfc.iref.g.55"></span> <a href="#transfer.codings" class="smpl">transfer-coding</a> = "chunked" ; <a href="#chunked.encoding" title="Chunked Transfer Coding">Section 4.1</a>1639 <div id="rfc.figure.u.29"></div><pre class="inline"><span id="rfc.iref.g.55"></span><span id="rfc.iref.g.56"></span> <a href="#transfer.codings" class="smpl">transfer-coding</a> = "chunked" ; <a href="#chunked.encoding" title="Chunked Transfer Coding">Section 4.1</a> 1640 1640 / "compress" ; <a href="#compress.coding" title="Compress Coding">Section 4.2.1</a> 1641 1641 / "deflate" ; <a href="#deflate.coding" title="Deflate Coding">Section 4.2.2</a> … … 1646 1646 <p id="rfc.section.4.p.3"> Parameters are in the form of a name or name=value pair.</p> 1647 1647 </div> 1648 <div id="rfc.figure.u.30"></div><pre class="inline"><span id="rfc.iref.g.5 6"></span> <a href="#rule.parameter" class="smpl">transfer-parameter</a> = <a href="#rule.token.separators" class="smpl">token</a> <a href="#rule.whitespace" class="smpl">BWS</a> "=" <a href="#rule.whitespace" class="smpl">BWS</a> ( <a href="#rule.token.separators" class="smpl">token</a> / <a href="#rule.quoted-string" class="smpl">quoted-string</a> )1648 <div id="rfc.figure.u.30"></div><pre class="inline"><span id="rfc.iref.g.57"></span> <a href="#rule.parameter" class="smpl">transfer-parameter</a> = <a href="#rule.token.separators" class="smpl">token</a> <a href="#rule.whitespace" class="smpl">BWS</a> "=" <a href="#rule.whitespace" class="smpl">BWS</a> ( <a href="#rule.token.separators" class="smpl">token</a> / <a href="#rule.quoted-string" class="smpl">quoted-string</a> ) 1649 1649 </pre><p id="rfc.section.4.p.5">All transfer-coding names are case-insensitive and ought to be registered within the HTTP Transfer Coding registry, as defined 1650 1650 in <a href="#transfer.coding.registry" title="Transfer Coding Registry">Section 8.4</a>. They are used in the <a href="#header.te" class="smpl">TE</a> (<a href="#header.te" id="rfc.xref.header.te.1" title="TE">Section 4.3</a>) and <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> (<a href="#header.transfer-encoding" id="rfc.xref.header.transfer-encoding.2" title="Transfer-Encoding">Section 3.3.1</a>) header fields. … … 1658 1658 message. 1659 1659 </p> 1660 <div id="rfc.figure.u.31"></div><pre class="inline"><span id="rfc.iref.g.5 7"></span><span id="rfc.iref.g.58"></span><span id="rfc.iref.g.59"></span><span id="rfc.iref.g.60"></span><span id="rfc.iref.g.61"></span><span id="rfc.iref.g.62"></span><span id="rfc.iref.g.63"></span> <a href="#chunked.encoding" class="smpl">chunked-body</a> = *<a href="#chunked.encoding" class="smpl">chunk</a>1660 <div id="rfc.figure.u.31"></div><pre class="inline"><span id="rfc.iref.g.58"></span><span id="rfc.iref.g.59"></span><span id="rfc.iref.g.60"></span><span id="rfc.iref.g.61"></span><span id="rfc.iref.g.62"></span><span id="rfc.iref.g.63"></span><span id="rfc.iref.g.64"></span> <a href="#chunked.encoding" class="smpl">chunked-body</a> = *<a href="#chunked.encoding" class="smpl">chunk</a> 1661 1661 <a href="#chunked.encoding" class="smpl">last-chunk</a> 1662 1662 <a href="#chunked.trailer.part" class="smpl">trailer-part</a> … … 1680 1680 of message body size. 1681 1681 </p> 1682 <div id="rfc.figure.u.32"></div><pre class="inline"><span id="rfc.iref.g.6 4"></span><span id="rfc.iref.g.65"></span><span id="rfc.iref.g.66"></span><span id="rfc.iref.g.67"></span> <a href="#chunked.extension" class="smpl">chunk-ext</a> = *( ";" <a href="#chunked.extension" class="smpl">chunk-ext-name</a> [ "=" <a href="#chunked.extension" class="smpl">chunk-ext-val</a> ] )1682 <div id="rfc.figure.u.32"></div><pre class="inline"><span id="rfc.iref.g.65"></span><span id="rfc.iref.g.66"></span><span id="rfc.iref.g.67"></span><span id="rfc.iref.g.68"></span> <a href="#chunked.extension" class="smpl">chunk-ext</a> = *( ";" <a href="#chunked.extension" class="smpl">chunk-ext-name</a> [ "=" <a href="#chunked.extension" class="smpl">chunk-ext-val</a> ] ) 1683 1683 1684 1684 <a href="#chunked.extension" class="smpl">chunk-ext-name</a> = <a href="#rule.token.separators" class="smpl">token</a> … … 1701 1701 header section. 1702 1702 </p> 1703 <div id="rfc.figure.u.33"></div><pre class="inline"><span id="rfc.iref.g.6 8"></span><span id="rfc.iref.g.69"></span> <a href="#chunked.trailer.part" class="smpl">trailer-part</a> = *( <a href="#header.fields" class="smpl">header-field</a> <a href="#core.rules" class="smpl">CRLF</a> )1703 <div id="rfc.figure.u.33"></div><pre class="inline"><span id="rfc.iref.g.69"></span><span id="rfc.iref.g.70"></span> <a href="#chunked.trailer.part" class="smpl">trailer-part</a> = *( <a href="#header.fields" class="smpl">header-field</a> <a href="#core.rules" class="smpl">CRLF</a> ) 1704 1704 </pre><p id="rfc.section.4.1.2.p.3">A sender <em class="bcp14">MUST NOT</em> generate a trailer that contains a field necessary for message framing (e.g., <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> and <a href="#header.content-length" class="smpl">Content-Length</a>), routing (e.g., <a href="#header.host" class="smpl">Host</a>), request modifiers (e.g., controls and conditionals in <a href="p2-semantics.html#request.header.fields" title="Request Header Fields">Section 5</a> of <a href="#Part2" id="rfc.xref.Part2.19"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>), authentication (e.g., see <a href="#Part7" id="rfc.xref.Part7.2"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Authentication">[Part7]</cite></a> and <a href="#RFC6265" id="rfc.xref.RFC6265.3"><cite title="HTTP State Management Mechanism">[RFC6265]</cite></a>), response control data (e.g., see <a href="p2-semantics.html#response.control.data" title="Control Data">Section 7.1</a> of <a href="#Part2" id="rfc.xref.Part2.20"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>), or determining how to process the payload (e.g., <a href="p2-semantics.html#header.content-encoding" class="smpl">Content-Encoding</a>, <a href="p2-semantics.html#header.content-type" class="smpl">Content-Type</a>, <a href="p5-range.html#header.content-range" class="smpl">Content-Range</a>, and <a href="#header.trailer" class="smpl">Trailer</a>). 1705 1705 </p> … … 1754 1754 </div> 1755 1755 <div id="gzip.coding"> 1756 <div id="rfc.iref.g.7 0"></div>1756 <div id="rfc.iref.g.71"></div> 1757 1757 <h3 id="rfc.section.4.2.3"><a href="#rfc.section.4.2.3">4.2.3</a> <a href="#gzip.coding">Gzip Coding</a></h3> 1758 1758 <p id="rfc.section.4.2.3.p.1">The "gzip" coding is an LZ77 coding with a 32 bit CRC that is commonly produced by the gzip file compression program <a href="#RFC1952" id="rfc.xref.RFC1952.1"><cite title="GZIP file format specification version 4.3">[RFC1952]</cite></a>. A recipient <em class="bcp14">SHOULD</em> consider "x-gzip" to be equivalent to "gzip". … … 1769 1769 described in <a href="#transfer.codings" title="Transfer Codings">Section 4</a>), and/or the keyword "trailers". A client <em class="bcp14">MUST NOT</em> send the chunked transfer coding name in TE; chunked is always acceptable for HTTP/1.1 recipients. 1770 1770 </p> 1771 <div id="rfc.figure.u.35"></div><pre class="inline"><span id="rfc.iref.g.7 1"></span><span id="rfc.iref.g.72"></span><span id="rfc.iref.g.73"></span><span id="rfc.iref.g.74"></span> <a href="#header.te" class="smpl">TE</a> = #<a href="#header.te" class="smpl">t-codings</a>1771 <div id="rfc.figure.u.35"></div><pre class="inline"><span id="rfc.iref.g.72"></span><span id="rfc.iref.g.73"></span><span id="rfc.iref.g.74"></span><span id="rfc.iref.g.75"></span> <a href="#header.te" class="smpl">TE</a> = #<a href="#header.te" class="smpl">t-codings</a> 1772 1772 <a href="#header.te" class="smpl">t-codings</a> = "trailers" / ( <a href="#transfer.codings" class="smpl">transfer-coding</a> [ <a href="#header.te" class="smpl">t-ranking</a> ] ) 1773 1773 <a href="#header.te" class="smpl">t-ranking</a> = <a href="#rule.whitespace" class="smpl">OWS</a> ";" <a href="#rule.whitespace" class="smpl">OWS</a> "q=" <a href="#header.te" class="smpl">rank</a> … … 1802 1802 and the recipient wishes to confirm an integrity check on the fly. 1803 1803 </p> 1804 <div id="rfc.figure.u.37"></div><pre class="inline"><span id="rfc.iref.g.7 5"></span><span id="rfc.iref.g.76"></span> <a href="#header.trailer" class="smpl">Trailer</a> = 1#<a href="#header.fields" class="smpl">field-name</a>1804 <div id="rfc.figure.u.37"></div><pre class="inline"><span id="rfc.iref.g.76"></span><span id="rfc.iref.g.77"></span> <a href="#header.trailer" class="smpl">Trailer</a> = 1#<a href="#header.fields" class="smpl">field-name</a> 1805 1805 </pre></div> 1806 1806 </div> … … 1849 1849 both the method being requested and whether the request is to a proxy. 1850 1850 </p> 1851 <div id="rfc.figure.u.38"></div><pre class="inline"><span id="rfc.iref.g.7 7"></span><span id="rfc.iref.g.78"></span><span id="rfc.iref.g.79"></span><span id="rfc.iref.g.80"></span><span id="rfc.iref.g.81"></span> <a href="#request-target" class="smpl">request-target</a> = <a href="#origin-form" class="smpl">origin-form</a>1851 <div id="rfc.figure.u.38"></div><pre class="inline"><span id="rfc.iref.g.78"></span><span id="rfc.iref.g.79"></span><span id="rfc.iref.g.80"></span><span id="rfc.iref.g.81"></span><span id="rfc.iref.g.82"></span> <a href="#request-target" class="smpl">request-target</a> = <a href="#origin-form" class="smpl">origin-form</a> 1852 1852 / <a href="#absolute-form" class="smpl">absolute-form</a> 1853 1853 / <a href="#authority-form" class="smpl">authority-form</a> … … 1917 1917 to distinguish among resources while servicing requests for multiple host names on a single IP address. 1918 1918 </p> 1919 <div id="rfc.figure.u.46"></div><pre class="inline"><span id="rfc.iref.g.8 2"></span> <a href="#header.host" class="smpl">Host</a> = <a href="#uri" class="smpl">uri-host</a> [ ":" <a href="#uri" class="smpl">port</a> ] ; <a href="#http.uri" title="http URI scheme">Section 2.7.1</a>1919 <div id="rfc.figure.u.46"></div><pre class="inline"><span id="rfc.iref.g.83"></span> <a href="#header.host" class="smpl">Host</a> = <a href="#uri" class="smpl">uri-host</a> [ ":" <a href="#uri" class="smpl">port</a> ] ; <a href="#http.uri" title="http URI scheme">Section 2.7.1</a> 1920 1920 </pre><p id="rfc.section.5.4.p.3">A client <em class="bcp14">MUST</em> send a Host header field in all HTTP/1.1 request messages. If the target URI includes an authority component, then a client <em class="bcp14">MUST</em> send a field-value for Host that is identical to that authority component, excluding any userinfo subcomponent and its "@" 1921 1921 delimiter (<a href="#http.uri" title="http URI scheme">Section 2.7.1</a>). If the authority component is missing or undefined for the target URI, then a client <em class="bcp14">MUST</em> send a Host header field with an empty field-value. … … 2011 2011 along the request/response chain. 2012 2012 </p> 2013 <div id="rfc.figure.u.52"></div><pre class="inline"><span id="rfc.iref.g.8 3"></span><span id="rfc.iref.g.84"></span><span id="rfc.iref.g.85"></span><span id="rfc.iref.g.86"></span><span id="rfc.iref.g.87"></span><span id="rfc.iref.g.88"></span> <a href="#header.via" class="smpl">Via</a> = 1#( <a href="#header.via" class="smpl">received-protocol</a> <a href="#rule.whitespace" class="smpl">RWS</a> <a href="#header.via" class="smpl">received-by</a> [ <a href="#rule.whitespace" class="smpl">RWS</a> <a href="#rule.comment" class="smpl">comment</a> ] )2013 <div id="rfc.figure.u.52"></div><pre class="inline"><span id="rfc.iref.g.84"></span><span id="rfc.iref.g.85"></span><span id="rfc.iref.g.86"></span><span id="rfc.iref.g.87"></span><span id="rfc.iref.g.88"></span><span id="rfc.iref.g.89"></span> <a href="#header.via" class="smpl">Via</a> = 1#( <a href="#header.via" class="smpl">received-protocol</a> <a href="#rule.whitespace" class="smpl">RWS</a> <a href="#header.via" class="smpl">received-by</a> [ <a href="#rule.whitespace" class="smpl">RWS</a> <a href="#rule.comment" class="smpl">comment</a> ] ) 2014 2014 2015 2015 <a href="#header.via" class="smpl">received-protocol</a> = [ <a href="#header.upgrade" class="smpl">protocol-name</a> "/" ] <a href="#header.upgrade" class="smpl">protocol-version</a> … … 2116 2116 </p> 2117 2117 <p id="rfc.section.6.1.p.4">The Connection header field's value has the following grammar:</p> 2118 <div id="rfc.figure.u.56"></div><pre class="inline"><span id="rfc.iref.g. 89"></span><span id="rfc.iref.g.90"></span> <a href="#header.connection" class="smpl">Connection</a> = 1#<a href="#header.connection" class="smpl">connection-option</a>2118 <div id="rfc.figure.u.56"></div><pre class="inline"><span id="rfc.iref.g.90"></span><span id="rfc.iref.g.91"></span> <a href="#header.connection" class="smpl">Connection</a> = 1#<a href="#header.connection" class="smpl">connection-option</a> 2119 2119 <a href="#header.connection" class="smpl">connection-option</a> = <a href="#rule.token.separators" class="smpl">token</a> 2120 2120 </pre><p id="rfc.section.6.1.p.6">Connection options are case-insensitive.</p> … … 2285 2285 in order of descending preference, before sending the final response. A server <em class="bcp14">MAY</em> ignore a received Upgrade header field if it wishes to continue using the current protocol on that connection. 2286 2286 </p> 2287 <div id="rfc.figure.u.58"></div><pre class="inline"><span id="rfc.iref.g.9 1"></span> <a href="#header.upgrade" class="smpl">Upgrade</a> = 1#<a href="#header.upgrade" class="smpl">protocol</a>2287 <div id="rfc.figure.u.58"></div><pre class="inline"><span id="rfc.iref.g.92"></span> <a href="#header.upgrade" class="smpl">Upgrade</a> = 1#<a href="#header.upgrade" class="smpl">protocol</a> 2288 2288 2289 2289 <a href="#header.upgrade" class="smpl">protocol</a> = <a href="#header.upgrade" class="smpl">protocol-name</a> ["/" <a href="#header.upgrade" class="smpl">protocol-version</a>] … … 3344 3344 / obs-text 3345 3345 3346 <a href="#header.fields" class="smpl">field-content</a> = *( HTAB / SP / VCHAR / obs-text )3346 <a href="#header.fields" class="smpl">field-content</a> = field-vchar [ *( SP / HTAB ) field-vchar ] 3347 3347 <a href="#header.fields" class="smpl">field-name</a> = token 3348 3348 <a href="#header.fields" class="smpl">field-value</a> = *( field-content / obs-fold ) 3349 <a href="#header.fields" class="smpl">field-vchar</a> = VCHAR / obs-text 3349 3350 <a href="#uri" class="smpl">fragment</a> = <fragment, defined in [RFC3986], Section 3.5> 3350 3351 … … 3360 3361 <a href="#method" class="smpl">method</a> = token 3361 3362 3362 <a href="#header.fields" class="smpl">obs-fold</a> = CRLF ( SP / HTAB )3363 <a href="#header.fields" class="smpl">obs-fold</a> = CRLF 1*( SP / HTAB ) 3363 3364 <a href="#rule.quoted-string" class="smpl">obs-text</a> = %x80-FF 3364 3365 <a href="#origin-form" class="smpl">origin-form</a> = absolute-path [ "?" query ] … … 3503 3504 <li><tt>Grammar</tt> 3504 3505 <ul> 3505 <li><tt>absolute-form</tt> <a href="#rfc.iref.g. 79"><b>5.3</b></a></li>3506 <li><tt>absolute-form</tt> <a href="#rfc.iref.g.80"><b>5.3</b></a></li> 3506 3507 <li><tt>absolute-path</tt> <a href="#rfc.iref.g.19"><b>2.7</b></a></li> 3507 3508 <li><tt>absolute-URI</tt> <a href="#rfc.iref.g.17"><b>2.7</b></a></li> 3508 3509 <li>ALPHA <a href="#rfc.iref.g.1"><b>1.2</b></a></li> 3509 <li><tt>asterisk-form</tt> <a href="#rfc.iref.g.8 1"><b>5.3</b></a></li>3510 <li><tt>asterisk-form</tt> <a href="#rfc.iref.g.82"><b>5.3</b></a></li> 3510 3511 <li><tt>authority</tt> <a href="#rfc.iref.g.18"><b>2.7</b></a></li> 3511 <li><tt>authority-form</tt> <a href="#rfc.iref.g.8 0"><b>5.3</b></a></li>3512 <li><tt>BWS</tt> <a href="#rfc.iref.g.4 2"><b>3.2.3</b></a></li>3513 <li><tt>chunk</tt> <a href="#rfc.iref.g.5 8"><b>4.1</b></a></li>3514 <li><tt>chunk-data</tt> <a href="#rfc.iref.g.6 3"><b>4.1</b></a></li>3515 <li><tt>chunk-ext</tt> <a href="#rfc.iref.g.6 2">4.1</a>, <a href="#rfc.iref.g.65"><b>4.1.1</b></a></li>3516 <li><tt>chunk-ext-name</tt> <a href="#rfc.iref.g.6 6"><b>4.1.1</b></a></li>3517 <li><tt>chunk-ext-val</tt> <a href="#rfc.iref.g.6 7"><b>4.1.1</b></a></li>3518 <li><tt>chunk-size</tt> <a href="#rfc.iref.g. 59"><b>4.1</b></a></li>3519 <li><tt>chunked-body</tt> <a href="#rfc.iref.g.5 7"><b>4.1</b></a>, <a href="#rfc.iref.g.64"><b>4.1.1</b></a></li>3520 <li><tt>comment</tt> <a href="#rfc.iref.g.4 8"><b>3.2.6</b></a></li>3521 <li><tt>Connection</tt> <a href="#rfc.iref.g. 89"><b>6.1</b></a></li>3522 <li><tt>connection-option</tt> <a href="#rfc.iref.g.9 0"><b>6.1</b></a></li>3523 <li><tt>Content-Length</tt> <a href="#rfc.iref.g.5 3"><b>3.3.2</b></a></li>3512 <li><tt>authority-form</tt> <a href="#rfc.iref.g.81"><b>5.3</b></a></li> 3513 <li><tt>BWS</tt> <a href="#rfc.iref.g.43"><b>3.2.3</b></a></li> 3514 <li><tt>chunk</tt> <a href="#rfc.iref.g.59"><b>4.1</b></a></li> 3515 <li><tt>chunk-data</tt> <a href="#rfc.iref.g.64"><b>4.1</b></a></li> 3516 <li><tt>chunk-ext</tt> <a href="#rfc.iref.g.63">4.1</a>, <a href="#rfc.iref.g.66"><b>4.1.1</b></a></li> 3517 <li><tt>chunk-ext-name</tt> <a href="#rfc.iref.g.67"><b>4.1.1</b></a></li> 3518 <li><tt>chunk-ext-val</tt> <a href="#rfc.iref.g.68"><b>4.1.1</b></a></li> 3519 <li><tt>chunk-size</tt> <a href="#rfc.iref.g.60"><b>4.1</b></a></li> 3520 <li><tt>chunked-body</tt> <a href="#rfc.iref.g.58"><b>4.1</b></a>, <a href="#rfc.iref.g.65"><b>4.1.1</b></a></li> 3521 <li><tt>comment</tt> <a href="#rfc.iref.g.49"><b>3.2.6</b></a></li> 3522 <li><tt>Connection</tt> <a href="#rfc.iref.g.90"><b>6.1</b></a></li> 3523 <li><tt>connection-option</tt> <a href="#rfc.iref.g.91"><b>6.1</b></a></li> 3524 <li><tt>Content-Length</tt> <a href="#rfc.iref.g.54"><b>3.3.2</b></a></li> 3524 3525 <li>CR <a href="#rfc.iref.g.2"><b>1.2</b></a></li> 3525 3526 <li>CRLF <a href="#rfc.iref.g.3"><b>1.2</b></a></li> 3526 <li><tt>ctext</tt> <a href="#rfc.iref.g. 49"><b>3.2.6</b></a></li>3527 <li><tt>ctext</tt> <a href="#rfc.iref.g.50"><b>3.2.6</b></a></li> 3527 3528 <li>CTL <a href="#rfc.iref.g.4"><b>1.2</b></a></li> 3528 3529 <li>DIGIT <a href="#rfc.iref.g.5"><b>1.2</b></a></li> 3529 3530 <li>DQUOTE <a href="#rfc.iref.g.6"><b>1.2</b></a></li> 3530 <li><tt>field-content</tt> <a href="#rfc.iref.g.3 8"><b>3.2</b></a></li>3531 <li><tt>field-name</tt> <a href="#rfc.iref.g.36"><b>3.2</b></a>, <a href="#rfc.iref.g.7 6">4.4</a></li>3531 <li><tt>field-content</tt> <a href="#rfc.iref.g.39"><b>3.2</b></a></li> 3532 <li><tt>field-name</tt> <a href="#rfc.iref.g.36"><b>3.2</b></a>, <a href="#rfc.iref.g.77">4.4</a></li> 3532 3533 <li><tt>field-value</tt> <a href="#rfc.iref.g.37"><b>3.2</b></a></li> 3534 <li><tt>field-vchar</tt> <a href="#rfc.iref.g.38"><b>3.2</b></a></li> 3533 3535 <li><tt>fragment</tt> <a href="#rfc.iref.g.22"><b>2.7</b></a></li> 3534 <li><tt>header-field</tt> <a href="#rfc.iref.g.35"><b>3.2</b></a>, <a href="#rfc.iref.g. 69">4.1.2</a></li>3536 <li><tt>header-field</tt> <a href="#rfc.iref.g.35"><b>3.2</b></a>, <a href="#rfc.iref.g.70">4.1.2</a></li> 3535 3537 <li>HEXDIG <a href="#rfc.iref.g.7"><b>1.2</b></a></li> 3536 <li><tt>Host</tt> <a href="#rfc.iref.g.8 2"><b>5.4</b></a></li>3538 <li><tt>Host</tt> <a href="#rfc.iref.g.83"><b>5.4</b></a></li> 3537 3539 <li>HTAB <a href="#rfc.iref.g.8"><b>1.2</b></a></li> 3538 3540 <li><tt>HTTP-message</tt> <a href="#rfc.iref.g.28"><b>3</b></a></li> … … 3541 3543 <li><tt>HTTP-version</tt> <a href="#rfc.iref.g.14"><b>2.6</b></a></li> 3542 3544 <li><tt>https-URI</tt> <a href="#rfc.iref.g.27"><b>2.7.2</b></a></li> 3543 <li><tt>last-chunk</tt> <a href="#rfc.iref.g.6 0"><b>4.1</b></a></li>3545 <li><tt>last-chunk</tt> <a href="#rfc.iref.g.61"><b>4.1</b></a></li> 3544 3546 <li>LF <a href="#rfc.iref.g.9"><b>1.2</b></a></li> 3545 <li><tt>message-body</tt> <a href="#rfc.iref.g.5 1"><b>3.3</b></a></li>3547 <li><tt>message-body</tt> <a href="#rfc.iref.g.52"><b>3.3</b></a></li> 3546 3548 <li><tt>method</tt> <a href="#rfc.iref.g.31"><b>3.1.1</b></a></li> 3547 <li><tt>obs-fold</tt> <a href="#rfc.iref.g. 39"><b>3.2</b></a></li>3548 <li><tt>obs-text</tt> <a href="#rfc.iref.g.4 7"><b>3.2.6</b></a></li>3549 <li><tt>obs-fold</tt> <a href="#rfc.iref.g.40"><b>3.2</b></a></li> 3550 <li><tt>obs-text</tt> <a href="#rfc.iref.g.48"><b>3.2.6</b></a></li> 3549 3551 <li>OCTET <a href="#rfc.iref.g.10"><b>1.2</b></a></li> 3550 <li><tt>origin-form</tt> <a href="#rfc.iref.g.7 8"><b>5.3</b></a></li>3551 <li><tt>OWS</tt> <a href="#rfc.iref.g.4 0"><b>3.2.3</b></a></li>3552 <li><tt>origin-form</tt> <a href="#rfc.iref.g.79"><b>5.3</b></a></li> 3553 <li><tt>OWS</tt> <a href="#rfc.iref.g.41"><b>3.2.3</b></a></li> 3552 3554 <li><tt>partial-URI</tt> <a href="#rfc.iref.g.25"><b>2.7</b></a></li> 3553 3555 <li><tt>port</tt> <a href="#rfc.iref.g.20"><b>2.7</b></a></li> 3554 <li><tt>protocol-name</tt> <a href="#rfc.iref.g.8 5"><b>5.7.1</b></a></li>3555 <li><tt>protocol-version</tt> <a href="#rfc.iref.g.8 6"><b>5.7.1</b></a></li>3556 <li><tt>pseudonym</tt> <a href="#rfc.iref.g.8 8"><b>5.7.1</b></a></li>3557 <li><tt>qdtext</tt> <a href="#rfc.iref.g.4 6"><b>3.2.6</b></a></li>3556 <li><tt>protocol-name</tt> <a href="#rfc.iref.g.86"><b>5.7.1</b></a></li> 3557 <li><tt>protocol-version</tt> <a href="#rfc.iref.g.87"><b>5.7.1</b></a></li> 3558 <li><tt>pseudonym</tt> <a href="#rfc.iref.g.89"><b>5.7.1</b></a></li> 3559 <li><tt>qdtext</tt> <a href="#rfc.iref.g.47"><b>3.2.6</b></a></li> 3558 3560 <li><tt>query</tt> <a href="#rfc.iref.g.21"><b>2.7</b></a></li> 3559 <li><tt>quoted-pair</tt> <a href="#rfc.iref.g.5 0"><b>3.2.6</b></a></li>3560 <li><tt>quoted-string</tt> <a href="#rfc.iref.g.4 5"><b>3.2.6</b></a></li>3561 <li><tt>rank</tt> <a href="#rfc.iref.g.7 4"><b>4.3</b></a></li>3561 <li><tt>quoted-pair</tt> <a href="#rfc.iref.g.51"><b>3.2.6</b></a></li> 3562 <li><tt>quoted-string</tt> <a href="#rfc.iref.g.46"><b>3.2.6</b></a></li> 3563 <li><tt>rank</tt> <a href="#rfc.iref.g.75"><b>4.3</b></a></li> 3562 3564 <li><tt>reason-phrase</tt> <a href="#rfc.iref.g.34"><b>3.1.2</b></a></li> 3563 <li><tt>received-by</tt> <a href="#rfc.iref.g.8 7"><b>5.7.1</b></a></li>3564 <li><tt>received-protocol</tt> <a href="#rfc.iref.g.8 4"><b>5.7.1</b></a></li>3565 <li><tt>received-by</tt> <a href="#rfc.iref.g.88"><b>5.7.1</b></a></li> 3566 <li><tt>received-protocol</tt> <a href="#rfc.iref.g.85"><b>5.7.1</b></a></li> 3565 3567 <li><tt>request-line</tt> <a href="#rfc.iref.g.30"><b>3.1.1</b></a></li> 3566 <li><tt>request-target</tt> <a href="#rfc.iref.g.7 7"><b>5.3</b></a></li>3567 <li><tt>RWS</tt> <a href="#rfc.iref.g.4 1"><b>3.2.3</b></a></li>3568 <li><tt>request-target</tt> <a href="#rfc.iref.g.78"><b>5.3</b></a></li> 3569 <li><tt>RWS</tt> <a href="#rfc.iref.g.42"><b>3.2.3</b></a></li> 3568 3570 <li><tt>segment</tt> <a href="#rfc.iref.g.23"><b>2.7</b></a></li> 3569 3571 <li>SP <a href="#rfc.iref.g.11"><b>1.2</b></a></li> … … 3571 3573 <li><tt>status-code</tt> <a href="#rfc.iref.g.33"><b>3.1.2</b></a></li> 3572 3574 <li><tt>status-line</tt> <a href="#rfc.iref.g.32"><b>3.1.2</b></a></li> 3573 <li><tt>t-codings</tt> <a href="#rfc.iref.g.7 2"><b>4.3</b></a></li>3574 <li><tt>t-ranking</tt> <a href="#rfc.iref.g.7 3"><b>4.3</b></a></li>3575 <li><tt>tchar</tt> <a href="#rfc.iref.g.4 4"><b>3.2.6</b></a></li>3576 <li><tt>TE</tt> <a href="#rfc.iref.g.7 1"><b>4.3</b></a></li>3577 <li><tt>token</tt> <a href="#rfc.iref.g.4 3"><b>3.2.6</b></a></li>3578 <li><tt>Trailer</tt> <a href="#rfc.iref.g.7 5"><b>4.4</b></a></li>3579 <li><tt>trailer-part</tt> <a href="#rfc.iref.g.6 1">4.1</a>, <a href="#rfc.iref.g.68"><b>4.1.2</b></a></li>3580 <li><tt>transfer-coding</tt> <a href="#rfc.iref.g.5 4"><b>4</b></a></li>3581 <li><tt>Transfer-Encoding</tt> <a href="#rfc.iref.g.5 2"><b>3.3.1</b></a></li>3582 <li><tt>transfer-extension</tt> <a href="#rfc.iref.g.5 5"><b>4</b></a></li>3583 <li><tt>transfer-parameter</tt> <a href="#rfc.iref.g.5 6"><b>4</b></a></li>3584 <li><tt>Upgrade</tt> <a href="#rfc.iref.g.9 1"><b>6.7</b></a></li>3575 <li><tt>t-codings</tt> <a href="#rfc.iref.g.73"><b>4.3</b></a></li> 3576 <li><tt>t-ranking</tt> <a href="#rfc.iref.g.74"><b>4.3</b></a></li> 3577 <li><tt>tchar</tt> <a href="#rfc.iref.g.45"><b>3.2.6</b></a></li> 3578 <li><tt>TE</tt> <a href="#rfc.iref.g.72"><b>4.3</b></a></li> 3579 <li><tt>token</tt> <a href="#rfc.iref.g.44"><b>3.2.6</b></a></li> 3580 <li><tt>Trailer</tt> <a href="#rfc.iref.g.76"><b>4.4</b></a></li> 3581 <li><tt>trailer-part</tt> <a href="#rfc.iref.g.62">4.1</a>, <a href="#rfc.iref.g.69"><b>4.1.2</b></a></li> 3582 <li><tt>transfer-coding</tt> <a href="#rfc.iref.g.55"><b>4</b></a></li> 3583 <li><tt>Transfer-Encoding</tt> <a href="#rfc.iref.g.53"><b>3.3.1</b></a></li> 3584 <li><tt>transfer-extension</tt> <a href="#rfc.iref.g.56"><b>4</b></a></li> 3585 <li><tt>transfer-parameter</tt> <a href="#rfc.iref.g.57"><b>4</b></a></li> 3586 <li><tt>Upgrade</tt> <a href="#rfc.iref.g.92"><b>6.7</b></a></li> 3585 3587 <li><tt>uri-host</tt> <a href="#rfc.iref.g.24"><b>2.7</b></a></li> 3586 3588 <li><tt>URI-reference</tt> <a href="#rfc.iref.g.16"><b>2.7</b></a></li> 3587 3589 <li>VCHAR <a href="#rfc.iref.g.12"><b>1.2</b></a></li> 3588 <li><tt>Via</tt> <a href="#rfc.iref.g.8 3"><b>5.7.1</b></a></li>3590 <li><tt>Via</tt> <a href="#rfc.iref.g.84"><b>5.7.1</b></a></li> 3589 3591 </ul> 3590 3592 </li> 3591 <li>gzip (Coding Format) <a href="#rfc.iref.g.7 0">4.2.3</a></li>3593 <li>gzip (Coding Format) <a href="#rfc.iref.g.71">4.2.3</a></li> 3592 3594 </ul> 3593 3595 </li> -
draft-ietf-httpbis/latest/p1-messaging.xml
r2583 r2584 1203 1203 <x:anchor-alias value="field-name"/> 1204 1204 <x:anchor-alias value="field-value"/> 1205 <x:anchor-alias value="field-vchar"/> 1205 1206 <x:anchor-alias value="obs-fold"/> 1206 1207 <t> … … 1209 1210 and optional trailing whitespace. 1210 1211 </t> 1211 <figure><artwork type="abnf2616"><iref primary="true" item="Grammar" subitem="header-field"/><iref primary="true" item="Grammar" subitem="field-name"/><iref primary="true" item="Grammar" subitem="field-value"/><iref primary="true" item="Grammar" subitem="field- content"/><iref primary="true" item="Grammar" subitem="obs-fold"/>1212 <figure><artwork type="abnf2616"><iref primary="true" item="Grammar" subitem="header-field"/><iref primary="true" item="Grammar" subitem="field-name"/><iref primary="true" item="Grammar" subitem="field-value"/><iref primary="true" item="Grammar" subitem="field-vchar"/><iref primary="true" item="Grammar" subitem="field-content"/><iref primary="true" item="Grammar" subitem="obs-fold"/> 1212 1213 <x:ref>header-field</x:ref> = <x:ref>field-name</x:ref> ":" <x:ref>OWS</x:ref> <x:ref>field-value</x:ref> <x:ref>OWS</x:ref> 1214 1213 1215 <x:ref>field-name</x:ref> = <x:ref>token</x:ref> 1214 1216 <x:ref>field-value</x:ref> = *( <x:ref>field-content</x:ref> / <x:ref>obs-fold</x:ref> ) 1215 <x:ref>field-content</x:ref> = *( <x:ref>HTAB</x:ref> / <x:ref>SP</x:ref> / <x:ref>VCHAR</x:ref> / <x:ref>obs-text</x:ref> ) 1216 <x:ref>obs-fold</x:ref> = <x:ref>CRLF</x:ref> ( <x:ref>SP</x:ref> / <x:ref>HTAB</x:ref> ) 1217 <x:ref>field-content</x:ref> = <x:ref>field-vchar</x:ref> [ *( <x:ref>SP</x:ref> / <x:ref>HTAB</x:ref> ) <x:ref>field-vchar</x:ref> ] 1218 <x:ref>field-vchar</x:ref> = <x:ref>VCHAR</x:ref> / <x:ref>obs-text</x:ref> 1219 1220 <x:ref>obs-fold</x:ref> = <x:ref>CRLF</x:ref> 1*( <x:ref>SP</x:ref> / <x:ref>HTAB</x:ref> ) 1217 1221 ; obsolete line folding 1218 1222 ; see <xref target="field.parsing"/> … … 1363 1367 the last non-whitespace octet of the field value ought to be excluded by 1364 1368 parsers when extracting the field value from a header field. 1365 </t>1366 <t>1367 A recipient of field-content containing multiple sequential octets of1368 optional (OWS) or required (RWS) whitespace &SHOULD; either replace the1369 sequence with a single SP or transform any non-SP octets in the sequence to1370 SP octets before interpreting the field value or forwarding the message1371 downstream.1372 1369 </t> 1373 1370 <t> … … 5337 5334 / obs-text 5338 5335 5339 <x:ref>field-content</x:ref> = *( HTAB / SP / VCHAR / obs-text )5336 <x:ref>field-content</x:ref> = field-vchar [ *( SP / HTAB ) field-vchar ] 5340 5337 <x:ref>field-name</x:ref> = token 5341 5338 <x:ref>field-value</x:ref> = *( field-content / obs-fold ) 5339 <x:ref>field-vchar</x:ref> = VCHAR / obs-text 5342 5340 <x:ref>fragment</x:ref> = <fragment, defined in [RFC3986], Section 3.5> 5343 5341 … … 5353 5351 <x:ref>method</x:ref> = token 5354 5352 5355 <x:ref>obs-fold</x:ref> = CRLF ( SP / HTAB )5353 <x:ref>obs-fold</x:ref> = CRLF 1*( SP / HTAB ) 5356 5354 <x:ref>obs-text</x:ref> = %x80-FF 5357 5355 <x:ref>origin-form</x:ref> = absolute-path [ "?" query ]
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