mirror of
https://github.com/moparisthebest/xeps
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166 lines
4.5 KiB
XML
166 lines
4.5 KiB
XML
<?xml version='1.0' encoding='UTF-8'?>
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<!DOCTYPE xep SYSTEM 'xep.dtd' [
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<!ENTITY % ents SYSTEM 'xep.ent'>
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%ents;
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]>
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<?xml-stylesheet type='text/xsl' href='xep.xsl'?>
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<xep>
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<header>
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<title>Body Markup Hints</title>
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<abstract>This document specifies hints about the markup language used in &BODY; elements.</abstract>
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&LEGALNOTICE;
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<number>xxxx</number>
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<status>ProtoXEP</status>
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<type>Standards Track</type>
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<sig>Standards</sig>
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<approver>Council</approver>
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<dependencies>
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<spec>XMPP Core</spec>
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</dependencies>
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<supersedes/>
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<supersededby/>
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<shortname>bmh</shortname>
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&flow;
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<revision>
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<version>0.0.1</version>
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<date>2017-10-14</date>
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<initials>fs</initials>
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<remark><p>First draft.</p></remark>
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</revision>
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</header>
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<section1 topic='Introduction' anchor='intro'>
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<p>This document specifies hints about the markup language used in &BODY; elements found in
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&MESSAGE; stanzas. It also specifies a mechanism to discover support of various markup
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dialects</p>
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</section1>
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<section1 topic="Markup Languages" anchor='languages'>
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<p>This list is not comprehensive and not meant to be.</p>
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<table caption="Defined Markup Languages">
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<tr>
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<th>Language Identifier</th>
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<th>Name</th>
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<th>Specification Link</th>
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</tr>
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<tr>
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<td>urn:xmpp:bmh:commonmark:0</td>
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<td>CommonMark</td>
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<td><link url='http://spec.commonmark.org/'>http://spec.commonmark.org/</link></td>
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</tr>
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<tr>
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<td>urn:xmpp:bmh:rst:0</td>
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<td>reStructuredText</td>
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<td><link url='http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html'>http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html</link></td>
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</tr>
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</table>
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<p>TODO: Shall we define your own subset of e.g. CommonMark, XMPPMark? :)</p>
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</section1>
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<section1 topic='Exchanging messages with markup formatted bodies' anchor='exchanging'>
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<p>If the &BODY; element contains text which is "formatted" with a markup language, then the
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sending client MAY adds a <body-markup-hint/> element qualified by the 'https://xmpp.org/extensions/bmh/0/'
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namespace with the 'language' attribute set to the Language Identifier of the used markup
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language.</p>
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<example caption='A message stanza with a body markup hint'><![CDATA[
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<message from='holden@rocinante.example.org' to='naomi@rocinante.example.org'>
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<body>
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1. Ingredients
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- spaghetti
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- marinara sauce
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- salt
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2. Cooking
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Bring water to boil, add a pinch of salt and spaghetti. Cook until pasta is **tender**.
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3. Serve
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Drain the pasta on a plate. Add heated sauce.
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> No man is lonely eating spaghetti; it requires so much attention.
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*Bon appetit!*
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</body>
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<body-markup-hint xmlns='https://xmpp.org/extensions/bmh/0/'
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language='urn:xmpp:bmh:commonmark:0'/>
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</message>
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]]></example>
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</section1>
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<section1 topic='Discovering Support' anchor='discovery'>
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<p>It is RECOMMENDED that entities announce the supported body markup languages in its service
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discovery information as specified in &xep0030;. Every markup language is announced as a
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<feature/> element with the 'var' attribute set to the language identifier of the supported
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language.</p>
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<example caption='A service discovery information with the supported body markup languages'><![CDATA[
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<iq from='julie@eros.example.org'
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to='miller@rocinante.example.org'
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id='info1'
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type='result'>
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<query xmlns='http://jabber.org/protocol/disco#info'>
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...
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<feature var='urn:xmpp:bmh:commonmark:0'/>
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...
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</query>
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</iq>]]>
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</example>
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</section1>
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<section1 topic='Business Rules' anchor='rules'>
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<p>There MUST be only one <body-markup-hint/> per &MESSAGE; stanza, and it applies to all
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&BODY; elements within the same stanza.</p>
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</section1>
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<section1 topic='Security Considerations' anchor='security'>
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<p>TODO: Discuss.</p>
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</section1>
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<section1 topic='IANA Considerations' anchor='iana'>
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<p>This document requires no interaction with &IANA;.</p>
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</section1>
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<section1 topic='XMPP Registrar Considerations' anchor='registrar'>
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<p>TODO: Is it sensible to establish a registry for this?</p>
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</section1>
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<section1 topic='XML Schema' anchor='schema'>
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<p>TODO: Add after the XEP leaves the 'experimental' state.</p>
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</section1>
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<section1 topic='Acknowledgements' anchor='acknowledgements'>
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<p>Thanks to everyone who provided feedback.</p>
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</section1>
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</xep>
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<!-- Local Variables: -->
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<!-- fill-column: 100 -->
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<!-- indent-tabs-mode: nil -->
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<!-- End: -->
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