source: draft-ietf-httpbis-method-registrations/latest/draft-ietf-httpbis-method-registrations.xml @ 1812

Last change on this file since 1812 was 1812, checked in by julian.reschke@…, 11 years ago

-09
  • Property svn:eol-style set to native
  • Property svn:executable set to *
  • Property svn:mime-type set to text/xml
File size: 19.7 KB
Line 
1<?xml version="1.0" encoding="utf-8"?>
2<?xml-stylesheet type='text/xsl' href='../../draft-ietf-httpbis/myxml2rfc.xslt'?>
3<?rfc toc="yes"?>
4<?rfc symrefs="yes"?>
5<?rfc sortrefs="yes"?>
6<?rfc compact="yes"?>
7<?rfc comments="yes"?>
8<?rfc inline="yes"?>
9<?rfc subcompact="no"?>
10<?rfc rfcedstyle="yes"?>
11<?rfc-ext allow-markup-in-artwork="yes" ?>
12
13<!DOCTYPE rfc [
14  <!ENTITY MAY "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>MAY</bcp14>">
15  <!ENTITY MUST "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>MUST</bcp14>">
16  <!ENTITY MUST-NOT "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>MUST NOT</bcp14>">
17  <!ENTITY OPTIONAL "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>OPTIONAL</bcp14>">
18  <!ENTITY RECOMMENDED "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>RECOMMENDED</bcp14>">
19  <!ENTITY REQUIRED "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>REQUIRED</bcp14>">
20  <!ENTITY SHALL "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>SHALL</bcp14>">
21  <!ENTITY SHALL-NOT "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>SHALL NOT</bcp14>">
22  <!ENTITY SHOULD "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>SHOULD</bcp14>">
23  <!ENTITY SHOULD-NOT "<bcp14 xmlns='http://purl.org/net/xml2rfc/ext'>SHOULD NOT</bcp14>">
24]>
25<rfc xmlns:x="http://purl.org/net/xml2rfc/ext" xmlns:ed="http://greenbytes.de/2002/rfcedit" ipr="trust200902" docName="draft-ietf-httpbis-method-registrations-latest" category="info">
26<x:feedback template="mailto:ietf-http-wg@w3.org?subject={docname},%20%22{section}%22&amp;body=&lt;{ref}&gt;:"/>
27        <front>
28  <title abbrev="HTTP Method Registrations">Initial Hypertext&#160;Transfer&#160;Protocol&#160;(HTTP)
29  Method&#160;Registrations</title>
30
31  <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke">
32    <organization abbrev="greenbytes">greenbytes GmbH</organization>
33    <address>
34      <postal>
35        <street>Hafenweg 16</street>
36        <city>Muenster</city><region>NW</region><code>48155</code>
37        <country>Germany</country>
38      </postal>
39      <email>julian.reschke@greenbytes.de</email>       
40      <uri>http://greenbytes.de/tech/webdav/</uri>     
41    </address>
42  </author>
43
44  <date month="July" year="2012"/>
45  <workgroup>HTTPbis Working Group</workgroup>
46 
47  <abstract>
48  <t>
49    This document registers those Hypertext Transfer
50    Protocol (HTTP) methods which have been defined in standards-track RFCs
51    before the IANA HTTP Method Registry was established.
52  </t>
53  </abstract>
54 
55  <note title="Editorial Note (To be removed by RFC Editor)">
56    <t>
57      Discussion of this draft takes place on the HTTPBIS working group
58      mailing list (ietf-http-wg@w3.org), which is archived at
59      <eref target="http://lists.w3.org/Archives/Public/ietf-http-wg/"/>.
60    </t>
61    <t>
62      The current issues list is at
63      <eref target="http://trac.tools.ietf.org/wg/httpbis/trac/query?component=method-registrations"/> and related
64      documents (including fancy diffs) can be found at
65      <eref target="http://tools.ietf.org/wg/httpbis/"/>.
66    </t>
67    <t>
68      The changes in this draft are summarized in <xref target="changes.since.09"/>.
69    </t>
70  </note>
71
72  </front>
73
74  <middle>
75
76<section title="Introduction" anchor="introduction">
77  <t>
78    This document registers those Hypertext Transfer Protocol (HTTP) methods
79    which have been defined in standards-track RFCs other than
80    <xref target="draft-ietf-httpbis-p2-semantics"/> before the IANA HTTP Method
81    Registry was established.
82  </t>
83</section> 
84 
85<section title="Security Considerations" anchor="security.considerations">
86  <t>
87    There are no security considerations related to the registration itself.
88  </t>
89</section> 
90
91<section title="IANA Considerations" anchor="iana.considerations">
92<t>
93  <xref target="updated.registry.contents"/> provides initial registrations
94  of HTTP method names for the IANA HTTP Method registry
95  at <eref target="http://www.iana.org/assignments/http-methods"/>
96  (see <xref target="draft-ietf-httpbis-p2-semantics" x:rel="#method.registry"/>).
97</t>
98</section> 
99  </middle>
100  <back>
101 
102<references title="Normative References">
103
104
105<reference anchor="draft-ietf-httpbis-p2-semantics">
106  <front>
107    <title>HTTP/1.1, part 2: Semantics and Payloads</title>
108    <author initials="R." surname="Fielding" fullname="Roy T. Fielding" role="editor">
109      <organization abbrev="Adobe">Adobe Systems Incorporated</organization>
110      <address><email>fielding@gbiv.com</email></address>
111    </author>
112    <author initials="Y." surname="Lafon" fullname="Yves Lafon" role="editor">
113      <organization abbrev="W3C">World Wide Web Consortium</organization>
114      <address><email>ylafon@w3.org</email></address>
115    </author>
116    <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke" role="editor">
117      <organization abbrev="greenbytes">greenbytes GmbH</organization>
118      <address><email>julian.reschke@greenbytes.de</email></address>
119    </author>
120    <date month="July" year="2012"/>
121  </front>
122  <seriesInfo name="Internet-Draft" value="draft-ietf-httpbis-p2-semantics-20"/>
123  <x:source href="../../draft-ietf-httpbis/20/p2-semantics.xml" basename="../../draft-ietf-httpbis/20/p2-semantics"/>
124</reference>
125
126<reference anchor="RFC2068">
127  <front>
128    <title abbrev="HTTP/1.1">Hypertext Transfer Protocol -- HTTP/1.1</title>
129    <author initials="R." surname="Fielding" fullname="Roy T. Fielding">
130      <organization>University of California, Irvine, Department of Information and Computer Science</organization>
131      <address><email>fielding@ics.uci.edu</email></address>
132    </author>
133    <author initials="J." surname="Gettys" fullname="Jim Gettys">
134      <organization>MIT Laboratory for Computer Science</organization>
135      <address><email>jg@w3.org</email></address>
136    </author>
137    <author initials="J." surname="Mogul" fullname="Jeffrey C. Mogul">
138      <organization>Digital Equipment Corporation, Western Research Laboratory</organization>
139      <address><email>mogul@wrl.dec.com</email></address>
140    </author>
141    <author initials="H." surname="Nielsen" fullname="Henrik Frystyk Nielsen">
142      <organization>MIT Laboratory for Computer Science</organization>
143      <address><email>frystyk@w3.org</email></address>
144    </author>
145    <author initials="T." surname="Berners-Lee" fullname="Tim Berners-Lee">
146      <organization>MIT Laboratory for Computer Science</organization>
147      <address><email>timbl@w3.org</email></address>
148    </author>
149    <date month="January" year="1997"/>
150  </front>
151  <seriesInfo name="RFC" value="2068"/>
152</reference>
153
154<reference anchor="RFC3253">
155  <front>
156    <title>Versioning Extensions to WebDAV (Web Distributed Authoring and Versioning)</title>
157    <author initials="G." surname="Clemm" fullname="G. Clemm">
158      <organization>Rational Software</organization>
159      <address><email>geoffrey.clemm@rational.com</email></address>
160    </author>
161    <author initials="J." surname="Amsden" fullname="J. Amsden">
162      <organization>IBM</organization>
163      <address><email>jamsden@us.ibm.com</email></address>
164    </author>
165    <author initials="T." surname="Ellison" fullname="T. Ellison">
166      <organization>IBM</organization>
167      <address><email>tim_ellison@uk.ibm.com</email></address>
168    </author>
169    <author initials="C." surname="Kaler" fullname="C. Kaler">
170      <organization>Microsoft</organization>
171      <address><email>ckaler@microsoft.com</email></address>
172    </author>
173    <author initials="J." surname="Whitehead" fullname="J. Whitehead">
174      <organization>UC Santa Cruz, Dept. of Computer Science</organization>
175      <address><email>ejw@cse.ucsc.edu</email></address>
176    </author>
177    <date month="March" year="2002"/>
178    </front>
179  <seriesInfo name="RFC" value="3253"/>
180</reference>
181
182<reference anchor='RFC3648'>
183  <front>
184    <title abbrev='WebDAV Ordered Collections Protocol'>Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol</title>
185    <author initials='J.' surname='Whitehead' fullname='Jim Whitehead'>
186      <organization abbrev='U.C. Santa Cruz'>UC Santa Cruz, Dept. of Computer Science</organization>
187      <address><email>ejw@cse.ucsc.edu</email></address>
188    </author>
189    <author initials='J. F.' surname='Reschke' fullname='Julian F. Reschke' role='editor'>
190      <organization abbrev='greenbytes'>greenbytes GmbH</organization>
191      <address><email>julian.reschke@greenbytes.de</email></address>
192    </author>
193    <date year='2003' month='December' />
194  </front>
195  <seriesInfo name='RFC' value='3648' />
196</reference>
197
198<reference anchor="RFC3744">
199  <front>
200    <title abbrev="WebDAV Access Control Protocol">Web Distributed Authoring and Versioning (WebDAV) Access Control Protocol</title>
201    <author initials="G." surname="Clemm" fullname="Geoffrey Clemm">
202      <organization>IBM</organization>
203      <address><email>geoffrey.clemm@us.ibm.com</email></address>
204    </author>
205    <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke">
206      <organization abbrev="greenbytes">greenbytes GmbH</organization>
207      <address><email>julian.reschke@greenbytes.de</email></address>
208    </author>
209    <author initials="E." surname="Sedlar" fullname="Eric Sedlar">
210      <organization>Oracle Corporation</organization>
211      <address><email>eric.sedlar@oracle.com</email></address>
212    </author>
213    <author initials="J." surname="Whitehead" fullname="Jim Whitehead">
214      <organization abbrev="U.C. Santa Cruz">U.C. Santa Cruz, Dept. of Computer Science</organization>
215      <address><email>ejw@cse.ucsc.edu</email></address>
216    </author>
217    <date month="May" year="2004"/>
218  </front>
219  <seriesInfo name="RFC" value="3744"/>
220</reference>
221
222<reference anchor="RFC4437">
223  <front>
224    <title abbrev="WebDAV Redirect Reference Resources">Web Distributed Authoring and Versioning (WebDAV) Redirect Reference Resources</title>
225    <author initials="J." surname="Whitehead" fullname="Jim Whitehead">
226      <organization abbrev="U.C. Santa Cruz">UC Santa Cruz, Dept. of Computer Science</organization>
227      <address>
228        <email>ejw@cse.ucsc.edu</email>
229      </address>
230    </author>
231    <author initials="G." surname="Clemm" fullname="Geoff Clemm">
232      <organization>IBM</organization>
233      <address>
234        <email>geoffrey.clemm@us.ibm.com</email>
235      </address>
236    </author>
237    <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke" role="editor">
238      <organization abbrev="greenbytes">greenbytes GmbH</organization>
239      <address>
240       <email>julian.reschke@greenbytes.de</email>
241      </address>
242    </author>
243    <date month="March" year="2006"/>
244  </front>
245  <seriesInfo name="RFC" value="4437"/>
246</reference> 
247
248<reference anchor="RFC4791">
249  <front>
250    <title abbrev="CalDAV">Calendaring Extensions to WebDAV (CalDAV)</title>
251    <author initials="C." surname="Daboo" fullname="Cyrus Daboo">
252      <organization abbrev="Apple">Apple Inc.</organization>
253      <address>
254        <email>cyrus@daboo.name</email>
255      </address>
256    </author>
257    <author initials="B." surname="Desruisseaux" fullname="Bernard Desruisseaux">
258      <organization abbrev="Oracle">Oracle Corporation</organization>
259      <address>
260        <email>bernard.desruisseaux@oracle.com</email>
261      </address>
262    </author>
263    <author initials="L.M." surname="Dusseault" fullname="Lisa Dusseault">
264      <organization abbrev="CommerceNet">CommerceNet</organization>
265      <address>
266        <email>ldusseault@commerce.net</email>
267      </address>
268    </author>
269    <date month="March" year="2007"/>
270  </front>
271  <seriesInfo name="RFC" value="4791"/>
272</reference>
273
274<reference anchor="RFC4918">
275  <front>
276    <title>HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</title>
277    <author initials="L." surname="Dusseault" fullname="Lisa Dusseault" role="editor">
278      <organization>CommerceNet</organization>
279      <address>
280        <postal>
281          <street>2064 Edgewood Dr.</street>
282          <city>Palo Alto</city> <region>CA</region> <code>94303</code>
283          <country>US</country>
284        </postal>
285        <email>ldusseault@commerce.net</email>
286      </address>
287    </author>
288    <date month="June" year="2007"/>
289  </front>
290  <seriesInfo name="RFC" value="4918"/>
291</reference>
292
293<reference anchor="RFC5323">
294  <front>
295    <title abbrev="WebDAV SEARCH">Web Distributed Authoring and Versioning (WebDAV) SEARCH</title>
296    <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke" role="editor">
297        <organization abbrev="greenbytes">greenbytes GmbH</organization>
298                <address>
299                        <email>julian.reschke@greenbytes.de</email>     
300                </address>
301        </author>
302        <author initials="S." surname="Reddy" fullname="Surendra Reddy">
303                <organization abbrev="Mitrix">Mitrix, Inc.</organization>
304                <address>
305        <email>Surendra.Reddy@mitrix.com</email>
306          </address>
307    </author>
308    <author initials="J." surname="Davis" fullname="Jim Davis">
309                <address>
310        <email>jrd3@alum.mit.edu</email>
311      </address>
312    </author>
313        <author initials="A." surname="Babich" fullname="Alan Babich">
314                <organization abbrev="IBM">IBM Corporation</organization>
315      <address>
316        <email>ababich@us.ibm.com</email>
317      </address>
318    </author>   
319    <date month="November" year="2008"/>
320  </front>
321  <seriesInfo name="RFC" value="5323"/>
322</reference>
323
324<reference anchor="RFC5842">
325  <front>
326    <title abbrev="Binding Extensions to WebDAV">Binding Extensions to Web Distributed Authoring and Versioning (WebDAV)</title>
327    <author initials="G." surname="Clemm" fullname="Geoffrey Clemm">
328      <organization>IBM</organization>
329      <address>
330        <email>geoffrey.clemm@us.ibm.com</email>
331      </address>
332    </author>
333    <author initials="J." surname="Crawford" fullname="Jason Crawford">
334      <organization>IBM Research</organization>
335      <address>
336        <email>ccjason@us.ibm.com</email>
337      </address>
338    </author>
339        <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke" role="editor">
340                <organization abbrev="greenbytes">greenbytes GmbH</organization>
341      <address>
342                  <email>julian.reschke@greenbytes.de</email>   
343                </address>
344        </author>
345    <author initials="J." surname="Whitehead" fullname="Jim Whitehead">
346      <organization abbrev="U.C. Santa Cruz">UC Santa Cruz, Dept. of Computer Science</organization>
347      <address>
348        <email>ejw@cse.ucsc.edu</email>
349      </address>
350    </author>
351    <date month="April" year="2010"/>
352  </front>
353  <seriesInfo name="RFC" value="5842"/>
354</reference>
355
356<reference anchor="RFC5789">
357  <front>
358    <title abbrev="HTTP PATCH">PATCH Method for HTTP</title>
359    <author initials="L.M." surname="Dusseault" fullname="Lisa Dusseault">
360      <organization abbrev="Linden Lab">Linden Lab</organization>
361      <address>
362        <email>lisa.dusseault@gmail.com</email>
363      </address>
364    </author>
365    <author initials="J.M." surname="Snell" fullname="James M. Snell">
366      <address>
367        <email>jasnell@gmail.com</email>
368      </address>
369    </author>
370    <date month="March" year="2010"/>
371  </front>
372  <seriesInfo name="RFC" value="5789"/>
373</reference>
374
375</references>
376 
377<!--<references title="Informative References">
378</references>-->
379
380<section title="Initial Registry Contents" anchor="updated.registry.contents">
381<texttable align="left">
382
383<ttcol>Method Name</ttcol>
384<ttcol>Safe</ttcol>
385<ttcol>Idempotent</ttcol>
386<ttcol>Reference</ttcol>
387
388<c>ACL</c><c>no</c><c>yes</c><c><xref target="RFC3744" x:fmt="," x:sec="8.1"/></c>
389
390<c>BASELINE-CONTROL</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="12.6"/></c>
391<c>BIND</c><c>no</c><c>yes</c><c><xref target="RFC5842" x:fmt="," x:sec="4"/></c>
392
393<c>CHECKIN</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="4.4"/> and <xref target="RFC3253" x:fmt="," x:sec="9.4"/></c>
394<c>CHECKOUT</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="4.3"/> and <xref target="RFC3253" x:fmt="," x:sec="8.8"/></c>
395<c>COPY</c><c>no</c><c>yes</c><c><xref target="RFC4918" x:fmt="," x:sec="9.8"/></c>
396
397<c>LABEL</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="8.2"/></c>
398<c>LINK</c><c>no</c><c></c><c><xref target="RFC2068" x:fmt="," x:sec="19.6.1.2"/></c>
399<c>LOCK</c><c>no</c><c>no</c><c><xref target="RFC4918" x:fmt="," x:sec="9.10"/></c>
400
401<c>MERGE</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="11.2"/></c>
402<c>MKACTIVITY</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="13.5"/></c>
403<c>MKCALENDAR</c><c>no</c><c>yes</c><c><xref target="RFC4791" x:fmt="," x:sec="5.3.1"/></c>
404<c>MKCOL</c><c>no</c><c>yes</c><c><xref target="RFC4918" x:fmt="," x:sec="9.3"/></c>
405<c>MKREDIRECTREF</c><c>no</c><c>yes</c><c><xref target="RFC4437" x:fmt="," x:sec="6"/></c>
406<c>MKWORKSPACE</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="6.3"/></c>
407<c>MOVE</c><c>no</c><c>yes</c><c><xref target="RFC4918" x:fmt="," x:sec="9.9"/></c>
408
409<c>ORDERPATCH</c><c>no</c><c>yes</c><c><xref target="RFC3648" x:fmt="," x:sec="7"/></c>
410
411<c>PATCH</c><c>no</c><c>no</c><c><xref target="RFC5789" x:fmt="," x:sec="2"/></c>
412<c>PROPFIND</c><c>yes</c><c>yes</c><c><xref target="RFC4918" x:fmt="," x:sec="9.1"/></c>
413<c>PROPPATCH</c><c>no</c><c>yes</c><c><xref target="RFC4918" x:fmt="," x:sec="9.2"/></c>
414
415<c>REBIND</c><c>no</c><c>yes</c><c><xref target="RFC5842" x:fmt="," x:sec="6"/></c>
416<c>REPORT</c><c>yes</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="3.6"/></c>
417
418<c>SEARCH</c><c>yes</c><c>yes</c><c><xref target="RFC5323" x:fmt="," x:sec="2"/></c>
419
420<c>UNBIND</c><c>no</c><c>yes</c><c><xref target="RFC5842" x:fmt="," x:sec="5"/></c>
421<c>UNCHECKOUT</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="4.5"/></c>
422<c>UNLINK</c><c>no</c><c></c><c><xref target="RFC2068" x:fmt="," x:sec="19.6.1.3"/></c>
423<c>UNLOCK</c><c>no</c><c>yes</c><c><xref target="RFC4918" x:fmt="," x:sec="9.11"/></c>
424<c>UPDATE</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="7.1"/></c>
425<c>UPDATEREDIRECTREF</c><c>no</c><c>yes</c><c><xref target="RFC4437" x:fmt="," x:sec="7"/></c>
426
427<c>VERSION-CONTROL</c><c>no</c><c>yes</c><c><xref target="RFC3253" x:fmt="," x:sec="3.5"/></c>
428
429</texttable>
430</section>
431
432<section title="Change Log (to be removed by RFC Editor before publication)" anchor="change.log">
433
434<section title="Since draft-ietf-httpbis-method-registrations-00">
435<t>
436  Added SEARCH method (RFC 5323).
437</t>
438</section>
439
440<section title="Since draft-ietf-httpbis-method-registrations-01">
441<t>
442  Update draft-ietf-httpbis-p2-semantics reference.
443</t>
444</section>
445
446<section title="Since draft-ietf-httpbis-method-registrations-02">
447<t>
448  Update draft-ietf-httpbis-p2-semantics reference.
449  PATCH is now defined in draft-dusseault-http-patch.
450  BIND, UNBIND and REBIND are defined in draft-ietf-webdav-bind.
451  Drop the "updates draft-ietf-httpbis-p2-semantics" clause.
452</t>
453</section>
454
455<section title="Since draft-ietf-httpbis-method-registrations-03">
456<t>
457  draft-dusseault-http-patch was published as RFC 5789. draft-ietf-webdav-bind was published as RFC 5842.
458  Fix typo in MKACTIVITY entry.
459  Update draft-ietf-httpbis-p2-semantics reference.
460  Fix change log section titles.
461</t>
462</section>
463
464<section title="Since draft-ietf-httpbis-method-registrations-04" anchor="changes.since.04">
465<t>
466  Update draft-ietf-httpbis-p2-semantics reference.
467</t>
468</section>
469
470<section title="Since draft-ietf-httpbis-method-registrations-05" anchor="changes.since.05">
471<t>
472  Update draft-ietf-httpbis-p2-semantics reference.
473</t>
474</section>
475
476<section title="Since draft-ietf-httpbis-method-registrations-06" anchor="changes.since.06">
477<t>
478  Update draft-ietf-httpbis-p2-semantics reference.
479</t>
480</section>
481
482<section title="Since draft-ietf-httpbis-method-registrations-07" anchor="changes.since.07">
483<t>
484  Update draft-ietf-httpbis-p2-semantics reference.
485</t>
486</section>
487
488<section title="Since draft-ietf-httpbis-method-registrations-08" anchor="changes.since.08">
489<t>
490  Added itempotency information.
491  Update draft-ietf-httpbis-p2-semantics reference.
492</t>
493</section>
494
495<section title="Since draft-ietf-httpbis-method-registrations-09" anchor="changes.since.09">
496<t>
497  None yet.
498</t>
499</section>
500
501</section>
502
503
504  </back>
505
506</rfc>
Note: See TracBrowser for help on using the repository browser.