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527 lines
18 KiB
527 lines
18 KiB
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<title>Media Fragments Working Group Teleconference -- 28 Jan
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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>28 Jan 2009</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0061.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/2009/01/28-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>Erik, Raphael, Yves, Thierry, Michael, Jack, Silvia,
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Davy, conrad_(irc)</dd>
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<dt>Regrets</dt>
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<dt>Chair</dt>
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<dd>Erik</dd>
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<dt>Scribe</dt>
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<dd>Jack</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>
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<a href="#agenda">Topics</a>
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<ol>
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<li><a href="#item01">1. Admin</a></li>
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<li><a href="#item02">3. Working Draft</a></li>
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<li><a href="#item03">4. issues</a></li>
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</ol>
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</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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<h3 id="item01">1. Admin</h3>
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<p class='irc'><<cite>raphael</cite>> +1 for accepting
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minutes</p>
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<p class='irc'><<cite>davy</cite>> +1</p>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='irc'><<cite>Yves</cite>> +1</p>
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<p class='phone'><cite>raphael:</cite> minutes accpeted?</p>
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<p class='phone'><cite>all:</cite> yes</p>
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<p class='irc'><<cite>silvia</cite>> <a href=
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"http://www.timeanddate.com/worldclock/meeting.html">http://www.timeanddate.com/worldclock/meeting.html</a></p>
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<p class='phone'><cite>raphael:</cite> should we change meeting
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slot for Dave?<br />
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... for now lets keep it as-is</p>
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<p class='phone'>yes</p>
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<p class='irc'><<cite>mhausenblas</cite>> Michael:
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volunteers to review the MA doc</p><a name="action01" id=
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"action01"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> michael to review Use Cases and
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Requirements for Ontology and API for Media Object 1.0
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[recorded in <a href=
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"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-36
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- Review Use Cases and Requirements for Ontology and API for
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Media Object 1.0 [on Michael Hausenblas - due 2009-02-04].</p>
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<p class='phone'><cite>erik:</cite> agenda item 2, future
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participants</p>
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<p class='phone'><cite>raphael:</cite> blinx will not
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join.<br />
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... teleconf with dailymotion soon</p>
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<p class='phone'><cite>michael:</cite> wolfgang is interested,
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could be invited expert.</p>
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<p class='irc'><<cite>raphael</cite>> Wolfgang Jochum</p>
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<p class='phone'><cite>raphael:</cite> mixup of wolfgangs.</p>
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<p class='phone'><cite>michael:</cite> ah! Will ask him
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today</p>
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<p class='phone'><cite>yves:</cite> no progress on google</p>
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<p class='irc'><<cite>raphael</cite>> close ACTION-1</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-1 Contact
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Google AC Rep re member of MediaFrag WG till next week
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closed</p>
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<p class='phone'>close action 1</p>
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<p class='phone'>close action 17</p>
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<p class='irc'><<cite>raphael</cite>> close ACTION-17</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-17 Find out
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with Philippe who from Google would be interested to join
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closed</p>
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<p class='phone'><cite>erik:</cite> will do final attempt for
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cisco<br />
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... also get guillaume on board again</p>
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<h3 id="item02">3. Working Draft</h3>
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<p class='phone'><cite>erik:</cite> agenda item 3</p>
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<p class='phone'><cite>raphael:</cite> template is ready, will
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email details</p>
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<p class='irc'><<cite>raphael</cite>> short:
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media-frag-reqs</p>
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<p class='irc'><<cite>mhausenblas</cite>> as already
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mentioned re ACTION-32 ... I can contribute as well to support
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you ... in case I've CVS access (got my CVS account set up for
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W3C ;)</p>
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<p class='phone'>close action 33</p>
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<p class='phone'><cite>yves:</cite> if cvs access does not work
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mail me</p>
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<p class='irc'><<cite>raphael</cite>> Discussion about
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the syntax</p>
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<p class='irc'><<cite>raphael</cite>> close ACTION-25</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-25 Describe
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why smpte is the only frame accurate one closed</p>
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<p class='irc'><<cite>raphael</cite>> Jack: we need SMPTE
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for frame accuracy</p>
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<p class='irc'><<cite>raphael</cite>> Dave: we only need
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rational numbers</p>
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<p class='irc'><<cite>raphael</cite>> +1 with Jack for
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having SMPTE timecode only</p>
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<p class='phone'><cite>silvia:</cite> rational numbers not used
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often<br />
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... smpte is better</p>
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<p class='phone'>close action 25</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-25 Describe
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why smpte is the only frame accurate one closed</p>
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<p class='phone'><cite>raphael:</cite> on to action 27, units
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to use (pixels, cm, inch, etc)</p>
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<p class='phone'><cite>yves:</cite> will work on it</p>
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<p class='irc'><<cite>raphael</cite>> Results: <a href=
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"http://www.w3.org/2002/09/wbs/42785/MFRAGSYNTAXSEPARATOR/results">
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http://www.w3.org/2002/09/wbs/42785/MFRAGSYNTAXSEPARATOR/results</a></p>
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<p class='phone'><cite>jack:</cite> nothing done yet on 28</p>
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<p class='irc'><<cite>raphael</cite>> 6 for ampersand, 1
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for semi-colon</p>
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<p class='phone'><cite>erik:</cite> separators.</p>
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<p class='phone'><cite>silvia:</cite> there is a bit of an
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issue with thousands separators. Let's state we do not use
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them.</p>
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<p class='irc'><<cite>raphael</cite>> +1</p>
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<p class='irc'><<cite>Yves</cite>> +1 to not using
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thousands separators</p>
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<p class='irc'><<cite>Jack</cite>> +1</p>
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<p class='phone'><cite>raphael:</cite> primary separator: 6
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votes for &, one for ;<br />
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... others please vote<br />
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... reololution: primary separator is ampoersand</p>
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<p class='irc'><<cite>raphael</cite>> RESOLVED: primary
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separator will be the ampersand character</p>
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<p class='irc'><<cite>raphael</cite>> Second poll:
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<a href=
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"http://www.w3.org/2002/09/wbs/42785/MFRAGSYNTAXRECTANGLE/results">
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http://www.w3.org/2002/09/wbs/42785/MFRAGSYNTAXRECTANGLE/results</a></p>
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<p class='phone'><cite>erik:</cite> rects has silvia as
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odd-man-out</p>
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<p class='phone'><cite>silvia:</cite> css does not use xywh. it
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uses trbl</p>
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<p class='phone'><cite>raphael:</cite> in email I said we
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should allow trbl and xywh</p>
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<p class='phone'><strong class='resolution'>RESOLUTION: primary
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separator will be the ampersand character</strong></p>
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<p class='phone'><cite>silvia:</cite> maybe do all</p>
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<p class='phone'><cite>raphael:</cite> lets do all for the
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first wd<br />
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... let the community decide</p>
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<p class='irc'><<cite>raphael</cite>> raphael: I suggest
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to put in the WD the various possibilities, and let the
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community decide</p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='phone'>+1</p>
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<p class='irc'><<cite>davy</cite>> +1</p>
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<p class='irc'><<cite>silvia</cite>> +1</p>
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<p class='irc'><<cite>raphael</cite>> next poll results:
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<a href=
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"http://www.w3.org/2002/09/wbs/42785/MFRAGSYNTAXQUOTE/results">http://www.w3.org/2002/09/wbs/42785/MFRAGSYNTAXQUOTE/results</a></p>
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<p class='phone'><strong class='resolution'>RESOLUTION: will do
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all 4 schemes for the first working draft and let the community
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decide</strong></p>
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<p class='phone'><cite>erik:</cite> next one: the quotes</p>
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<p class='irc'><<cite>mhausenblas</cite>> just for the
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record, as I guess we will not be able to approach agenda item
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4 today anymore</p>
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<p class='irc'><<cite>mhausenblas</cite>> I've created an
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issue now for the registry stuff, see <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/3">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/3</a></p>
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<p class='irc'><<cite>Yves</cite>> like & ->
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&amp; " -> &#XX;</p>
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<p class='phone'><cite>silvia:</cite> double quotes are not
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allowed in urls according to spec.<br />
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... will also check for &, while we're at it</p>
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<p class='phone'><cite>erik:</cite> everybody says optional,
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except michael.</p>
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<p class='phone'><cite>michael:</cite> not too strong an
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opinion. I'm fine with optional</p>
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<p class='phone'><strong class='resolution'>RESOLUTION: quotes
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are optional. Single or double tbd</strong></p>
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<p class='phone'><cite>silvia:</cite> ampersand is allowed
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(unlike double quote)</p>
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<p class='irc'><<cite>silvia</cite>> sub-delims = "!" /
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"$" / "&" / "'" / "(" / ")"</p>
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<p class='irc'><<cite>silvia</cite>> / "*" / "+" / "," /
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";" / "="</p>
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<p class='irc'><<cite>silvia</cite>> gen-delims = ":" /
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"/" / "?" / "#" / "[" / "]" / "@"</p>
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<p class='irc'><<cite>silvia</cite>> sub-delims = "!" /
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"$" / "&" / "'" / "(" / ")"</p>
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<p class='irc'><<cite>silvia</cite>> / "*" / "+" / "," /
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";" / "="</p>
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<p class='irc'><<cite>silvia</cite>> <a href=
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"http://www.ietf.org/rfc/rfc3986.txt">http://www.ietf.org/rfc/rfc3986.txt</a></p>
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<p class='irc'><<cite>raphael</cite>> raphael thinks that
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Silvia said that double quotes are simply forbidden as per
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RFC3986</p>
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<p class='phone'><strong class='resolution'>RESOLUTION: we use
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only single quotes as double are not in uri
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construction</strong></p>
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<p class='irc'><<cite>raphael</cite>> +1</p>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='irc'><<cite>silvia</cite>> +1</p>
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<p class='phone'>+1</p>
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<p class='phone'><cite>raphael:</cite> will send wrapup of
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feedback to list (<br />
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... action 22 can be closed</p>
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<p class='phone'>close action-22</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-22 Complete
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the table, trying to get the answer for the current question
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marks, except when this is a close format closed</p>
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<h3 id="item03">4. issues</h3>
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<p class='irc'><<cite>raphael</cite>> discussion about
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ISSUE-1: <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/1">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/1</a></p>
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<p class='phone'><cite>silvia:</cite> summarizes mail
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discussion, we want scenario 3</p>
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<p class='irc'><<cite>mhausenblas</cite>> Agenda:
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<a href="http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0061.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0061.html</a></p>
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<p class='phone'><cite>jack:</cite> violently agrees with
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silvia</p>
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<p class='phone'><cite>raphael:</cite> will
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summarize</p><a name="action02" id="action02"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> raphaël to summarize clip-combining
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discussion [recorded in <a href=
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"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action03">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action03</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-37
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- Summarize clip-combining discussion [on Raphaël Troncy - due
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2009-02-04].</p>
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<p class='irc'><<cite>raphael</cite>> ISSUE-2: <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/2">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/2</a></p>
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<p class='irc'><<cite>trackbot</cite>> ISSUE-2 What is
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the mime type of a media fragment? What is its relation with
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its parent resource? notes added</p>
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<p class='phone'><cite>erik:</cite> on to mime types for
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fragments</p>
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<p class='irc'><<cite>mhausenblas</cite>> Michael:
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question is blurry, for me more issues, I've created ISSUE-3 re
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the registry part of it</p>
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<p class='irc'><<cite>raphael</cite>> Yves: when we
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create a new representation (new mime-type), we create a new
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resource</p>
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<p class='phone'><cite>yves:</cite> new mime-type means new
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resource</p>
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<p class='irc'><<cite>silvia</cite>> +1</p>
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<p class='phone'><cite>michael:</cite> sounds good</p>
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<p class='phone'>+1</p>
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<p class='irc'><<cite>davy</cite>> +1</p>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='irc'><<cite>mhausenblas</cite>> ISSUE-3:
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<a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/3">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/3</a></p>
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<p class='irc'><<cite>trackbot</cite>> ISSUE-3 Does our
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MF URI syntax imlpy that we need to update MIME Type
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registrations? notes added</p>
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<p class='phone'><cite>silvia:</cite> this goes beyond our
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scope</p>
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<p class='irc'><<cite>raphael</cite>> registry is not
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possible since we do not own the mime types jpg, jpg2000, avi,
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mov, etc.</p>
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<p class='phone'><cite>michael:</cite> but if we follow specs
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to the letter we must.</p>
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<p class='irc'><<cite>silvia</cite>> <a href=
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"http://example.com/image.jpg#trbl=2">http://example.com/image.jpg#trbl=2</a>,4,4,6</p>
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<p class='phone'><cite>michael:</cite> need to show we have
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addressed this issue (even if by ignoring it because we cannot
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fix it)</p>
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<p class='irc'><<cite>raphael</cite>> Silvia: temporalURI
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had the same problem ...</p>
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<p class='irc'><<cite>raphael</cite>> Silvia: we did that
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for ogg because we own the format</p>
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<p class='irc'><<cite>raphael</cite>> scribenick:
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raphael</p>
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<p class='phone'><cite>Silvia:</cite> I do not agree we have a
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problem here ... we have discussed that from the beginning</p>
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<p class='phone'><cite>Michael:</cite> we have 2 different
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opinions<br />
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... I think Raphael said 'we do not care'<br />
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... and I say we should care</p>
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<p class='phone'><cite>Raphael:</cite> I said, we stick in the
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general framework of RFC3986, unspecified semantics</p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='phone'><cite>Raphael:</cite> should we write a
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paragraph to state what we aim for ?</p>
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<p class='phone'><cite>Michael:</cite> yes, I volunteer to do
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draft that</p>
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<p class='irc'><<cite>mhausenblas</cite>> Michael: sorry
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for missinterpreting Raphael, ack his wording</p>
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<p class='irc'><<cite>silvia</cite>> +1</p><a name=
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"action04" id="action04"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Michael to draft a paragraph that will
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solve ISSUE-3 [recorded in <a href=
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"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action04">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action04</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-38
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- Draft a paragraph that will solve ISSUE-3 [on Michael
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Hausenblas - due 2009-02-04].</p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='irc'><<cite>mhausenblas</cite>> Michael: notes
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to himself re action 4 that he needs to include the sentence
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'we don't own specs, so general case applies;</p>
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<p class='irc'><<cite>mhausenblas</cite>> [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> Michael to draft
|
|
a paragraph that will solve ISSUE-3 [recorded in <a href=
|
|
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action04">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action04</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> michael to review
|
|
Use Cases and Requirements for Ontology and API for Media Object
|
|
1.0 [recorded in <a href=
|
|
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01</a>]<br />
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|
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<strong>[NEW]</strong> <strong>ACTION:</strong> raphael to
|
|
summarize comnining time clipping dicsusion [recorded in <a href=
|
|
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action02">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action02</a>]<br />
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|
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<strong>[NEW]</strong> <strong>ACTION:</strong> raphaël to
|
|
summarize clip-combining discussion [recorded in <a href=
|
|
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action03">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action03</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 1.133 (<a href=
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"http://dev.w3.org/cvsweb/2002/scribe/">CVS log</a>)<br />
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$Date: 2009/01/28 13:56:56 $
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</address>
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</body>
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</html>
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