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XEP-0045: specify use of <delay/> in subject message

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Jonas Schäfer 2020-10-28 17:21:45 +01:00
parent 48018afe1b
commit e2031ae53f
1 changed files with 10 additions and 2 deletions
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xep-0045.xml
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@ -45,6 +45,12 @@
</schemaloc>
<registry/>
&stpeter;
<revision>
<version>1.34.0</version>
<date>2020-10-28</date>
<initials>jsc</initials>
<remark><p>Specify the use of a delay element in the initial subject message.</p></remark>
</revision>
<revision>
<version>1.33.0</version>
<date>2020-04-15</date>
@ -1841,7 +1847,7 @@
</section3>
<section3 topic='Room Subject' anchor='enter-subject'>
<p>After the room has optionally sent the discussion history to the new occupant, it SHALL send the current room subject. This is a &MESSAGE; stanza from the room JID (or from the occupant JID of the entity that set the subject), with a &SUBJECT; element but no &BODY; element, as shown in the following example.</p>
<p>After the room has optionally sent the discussion history to the new occupant, it SHALL send the current room subject. This is a &MESSAGE; stanza from the room JID (or from the occupant JID of the entity that set the subject), with a &SUBJECT; element but no &BODY; element, as shown in the following example. In addition, the subject SHOULD be stamped with &xep0203; information qualified by the 'urn:xmpp:delay' namespace to indicate the time at which the subject was last modified. If the &lt;delay/&gt; element is included, its 'from' attribute MUST be set to the JID of the room itself.</p>
<example caption='Service Informs New Occupant of Room Subject'><![CDATA[
<message
from='coven@chat.shakespeare.lit/secondwitch'
@ -1849,9 +1855,11 @@
to='crone1@shakespeare.lit/desktop'
type='groupchat'>
<subject>Fire Burn and Cauldron Bubble!</subject>
<delay xmlns='urn:xmpp:delay' from='coven@chat.shakespeare.lit' stamp='1610-04-20T00:00:00Z'/>
</message>
]]></example>
<p>If there is no subject set, the room MUST return an empty &SUBJECT; element.</p>
<p>Interoperability Note: The &lt;delay/&gt; element has been specified in version 1.34.0 of this document. Hence, consuming entities need to be able to deal with servers which do not send a &lt;delay/&gt; element. Most notably, this means that the presence of the &lt;delay/&gt; element cannot be used to distinguish a historic vs. a live subject change.</p>
<p>If there is no subject set, the room MUST return an empty &SUBJECT; element. The &lt;delay/&gt; SHOULD be included if the subject was actively cleared and MAY be omitted if the room never had a subject set.</p>
<example caption='No Subject'><![CDATA[
<message
from='coven@chat.shakespeare.lit/secondwitch'