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319 lines
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319 lines
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<title>Media Fragments Working Group Teleconference -- 19 Aug
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2009</title>
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<p><a href="http://www.w3.org/"><img src=
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<h1>Media Fragments Working Group Teleconference</h1>
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<h2>19 Aug 2009</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0018.html'>
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Agenda</a></p>
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<p>See also: <a href=
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"http://www.w3.org/2009/08/19-mediafrag-irc">IRC log</a></p>
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<h2><a name="attendees" id="attendees">Attendees</a></h2>
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<div class="intro">
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<dl>
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<dt>Present</dt>
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<dd>Yves, Thierry, Silvia, Raphael</dd>
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<dt>Regrets</dt>
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<dd>Jack, Michael, Davy, Erik</dd>
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<dt>Chair</dt>
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<dd>Raphael</dd>
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<dt>Scribe</dt>
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<dd>raphael</dd>
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</dl>
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</div>
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<h2>Contents</h2>
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<ul>
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<li><a href="#agenda">Topics</a></li>
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<li><a href="#ActionSummary">Summary of Action Items</a></li>
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</ul>
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<hr />
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<div class="meeting">
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<p class='phone'> </p>
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<p class='phone'> </p>
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<p class='irc'><<cite>trackbot</cite>> Date: 19 August
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2009</p>
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<p class='irc'><<cite>Yves</cite>> like updating the
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fragment in the URI bar when you seek manually in the
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video?</p>
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<p class='phone'><cite>Raphael:</cite> just Yves, Thierry,
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Silvia and Raphael present on the call<br />
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... no quorum :-(</p>
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<p class='phone'><cite>Silvia:</cite> discussing my today's
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blog post</p>
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<p class='irc'><<cite>scribe</cite>> scribe: raphael</p>
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<p class='phone'>Silvia ... i'm considering making a small
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demo</p>
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<p class='phone'><cite>scribe:</cite> not implementing the
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protocol stuff the group is doing, but rather emulating the
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visual effect on client / UA side<br />
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... basically, the YouTube use case</p>
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<p class='phone'><cite>Yves:</cite> +1, we want to demonstrate
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how to bookmark a fragment of a video</p>
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<p class='phone'><cite>Silvia:</cite> my implementation will be
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based on javascript + perhaps the video element of HTML5</p>
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<p class='irc'><<cite>Yves</cite>> about query: <a href=
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"http://tools.ietf.org/html/draft-gregorio-uritemplate-03">http://tools.ietf.org/html/draft-gregorio-uritemplate-03</a></p>
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<p class='irc'><<cite>Yves</cite>> might be useful</p>
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<p class='irc'><<cite>nessy</cite>> <a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0011.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0011.html</a></p>
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<p class='phone'><cite>Silvia:</cite> I suggest we seriously
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discuss the use of query vs fragment</p>
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<p class='irc'><<cite>Yves</cite>> or link to a manifest
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file somewhere</p>
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<p class='irc'><<cite>Yves</cite>> or to a URI template
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(if applicable)</p>
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<p class='phone'><cite>Silvia:</cite> in case of query, how the
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new resource can be linked to the original resource?</p>
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<p class='phone'><cite>Raphael:</cite> perhaps using the link
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header</p>
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<p class='phone'><cite>Silvia:</cite> and the problem of the UA
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getting the full duration of the parent resource in case of the
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fragment, see ISSUE-11<br />
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... do we need to define an extra header ?</p>
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<p class='phone'>Yves, it is always in the case of a range
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request</p>
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<p class='phone'><cite>Yves:</cite> so no problem<br />
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... for example, the server will serve, this is the bytes for
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the range 10s - 20s / the full duration of the resource</p>
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<p class='irc'><<cite>nessy</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/wiki/UA_Server_HTTP_Communication">
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http://www.w3.org/2008/WebVideo/Fragments/wiki/UA_Server_HTTP_Communication</a></p>
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<p class='phone'><cite>Yves:</cite> correct, this is
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incomplete, I will correct this wiki page</p>
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<p class='phone'><cite>Raphael:</cite> I will take proper
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action for closing the ISSUE-11 if the problem is addressed</p>
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<p class='phone'>Great, that closes the ISSUE-11, at least for
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the fragment</p>
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<p class='phone'>I will email the group about that</p>
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<p class='phone'><cite>Silvia:</cite> what we need to fix asap
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is: the scheme syntax of media fragment, and the protocol
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aspect (communication UA / server)</p>
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<p class='phone'><cite>Yves:</cite> the ACTION-49 will be done
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by the beginning of September</p>
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<p class='phone'><cite>Raphael:</cite> yes, that will make the
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work more concrete</p>
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<p class='irc'><<cite>Yves</cite>> <a href=
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"http://www.mnot.net/drafts/draft-nottingham-http-link-header-07.txt">
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http://www.mnot.net/drafts/draft-nottingham-http-link-header-07.txt</a></p>
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<p class='phone'><cite>Raphael:</cite> since our examples will
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contain the full HTTP request and HTTP response</p>
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<p class='phone'><cite>Silvia:</cite> I will write my use case
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by the next telecon<br />
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... and I will write a paragraph on the use of fragment vs
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query ... among the lines of my blog post</p>
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<p class='phone'><cite>Raphael:</cite> +1</p>
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<p class='phone'>I want also we discuss the relationships
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between the spatial dimension of Media Fragments and Image
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Sprites, see <a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2009Jun/0002.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2009Jun/0002.html</a></p>
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<p class='phone'><cite>Silvia:</cite> perhaps finish the time
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dimension first<br />
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... but address that later</p>
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<p class='phone'>I will create a new issue regarding this
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point</p>
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<p class='phone'><cite>Silvia:</cite> TPAC, worth to meet ?</p>
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<p class='phone'><cite>Raphael:</cite> perhaps a accessible
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media workshop colocated</p>
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<p class='phone'><cite>Silvia:</cite> if workshop, mozilla will
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fund me and I will be there</p>
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<p class='phone'><cite>Raphael:</cite> in this case, I will
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make it too and Yves will be there<br />
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... might worth to have then a meeting, perhaps using Media
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Annotations arrangement</p>
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<p class='phone'>ACTION-96?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-96 -- Yves
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Lafon to make change to temporal-optional-comma specification
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-- due 2009-08-19 -- OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/96">http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/96</a></p>
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<p class='irc'><<cite>nessy</cite>> * ACTION-96: Yves to
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make change to temporal-optional-comma specification</p>
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<p class='phone'>close ACTION-96</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-96 Make
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change to temporal-optional-comma specification closed</p>
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<p class='phone'>Question: do we need also editUnits, <a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2009Jul/0018.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2009Jul/0018.html</a>
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?</p>
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<p class='phone'><cite>Silvia:</cite> my problem with editUnit,
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is that this is container specific<br />
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... even worse, this is encoding specific<br />
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... I can write a reply about that<br />
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... editing the WD directly in the cvs ?<br />
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... capture the discussion within the wiki but update the main
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document that contains the spec in the cvs</p><a name=
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"action01" id="action01"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Silvia to update the wiki + cvs
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document for adding the "clock" scheme for specifying time and
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for discussing editUnit (ACTION-84) [recorded in <a href=
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"http://www.w3.org/2009/08/19-mediafrag-minutes.html#action01">http://www.w3.org/2009/08/19-mediafrag-minutes.html#action01</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-97
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- Update the wiki + cvs document for adding the "clock" scheme
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for specifying time and for discussing editUnit (ACTION-84) [on
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Silvia Pfeiffer - due 2009-08-26].</p>
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<p class='phone'>ACTION-89?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-89 -- Yves
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Lafon to find out more about fragment identifier registration
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-- due 2009-07-22 -- OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/89">http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/89</a></p>
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<p class='phone'>we need to write a small IETF draft for IANA
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consideration</p>
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<p class='phone'>we need to make a plan for that</p>
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<p class='phone'><cite>Yves:</cite> first, get a good story
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from our document, and then the IETF document will just link to
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our document</p>
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<p class='phone'>close ACTION-89</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-89 Find out
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more about fragment identifier registration closed</p>
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<p class='phone'>I will open a new ISSUE to remind us that we
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need to write a IETF draft for proposing how to register the
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fragment scheme for all media types</p>
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<p class='phone'><cite>Yves:</cite> this IETF draft should
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contain a how-to register the fragment spec for media
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fragments<br />
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... and we should ask for a template of what does it mean when
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we come accross a media fragment</p>
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<p class='phone'><cite>Silvia:</cite> this is a different issue
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... something to consider</p>
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<p class='phone'><cite>Raphael:</cite> I will make another
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issue<br />
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... for the media type registration template<br />
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... needs to be discussed then within IETF</p>
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<p class='phone'>AOB?</p>
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<p class='irc'><<cite>nessy</cite>> thanks everybody!</p>
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<p class='phone'>thanks</p>
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<p class='phone'>meeting adjourned</p>
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</div>
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<h2><a name="ActionSummary" id="ActionSummary">Summary of Action
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Items</a></h2><!-- Action Items -->
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<strong>[NEW]</strong> <strong>ACTION:</strong> Silvia to update
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the wiki + cvs document for adding the "clock" scheme for
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specifying time and for discussing editUnit (ACTION-84) [recorded
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in <a href=
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"http://www.w3.org/2009/08/19-mediafrag-minutes.html#action01">http://www.w3.org/2009/08/19-mediafrag-minutes.html#action01</a>]<br />
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<br />
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[End of minutes]<br />
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<hr />
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<address>
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Minutes formatted by David Booth's <a href=
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"http://dev.w3.org/cvsweb/~checkout~/2002/scribe/scribedoc.htm">
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scribe.perl</a> version 1.135 (<a href=
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"http://dev.w3.org/cvsweb/2002/scribe/">CVS log</a>)<br />
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$Date: 2009/08/19 13:18:01 $
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</address>
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