22-mediafrag-minutes.html
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<title>Media Fragments Working Group Teleconference -- 22 Sep
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<h1>Media Fragments Working Group Teleconference</h1>
<h2>22 Sep 2010</h2>
<p><a href=
'http://lists.w3.org/Archives/Public/public-media-fragment/2010Sep/0051.html'>
Agenda</a></p>
<p>See also: <a href=
"http://www.w3.org/2010/09/22-mediafrag-irc">IRC log</a></p>
<h2><a name="attendees" id="attendees">Attendees</a></h2>
<div class="intro">
<dl>
<dt>Present</dt>
<dd>Raphael, Yves, Erik_(irc), Philip</dd>
<dt>Regrets</dt>
<dd>Davy, Jack, Silvia</dd>
<dt>Chair</dt>
<dd>Raphael</dd>
<dt>Scribe</dt>
<dd>raphael</dd>
</dl>
</div>
<h2>Contents</h2>
<ul>
<li>
<a href="#agenda">Topics</a>
<ol>
<li><a href="#item01">1. Admin</a></li>
<li><a href="#item02">2. TPAC</a></li>
<li><a href="#item03">3. MEDIA FRAGMENT EXTENSION:</a></li>
<li><a href="#item04">5. AOB?</a></li>
</ol>
</li>
<li><a href="#ActionSummary">Summary of Action Items</a></li>
</ul>
<hr />
<div class="meeting">
<p class='phone'></p>
<p class='phone'></p>
<p class='irc'><<cite>trackbot</cite>> Date: 22 September
2010</p>
<h3 id="item01">1. Admin</h3>
<p class='phone'>Accept the minutes from 15/09</p>
<p class='phone'><a href=
"http://www.w3.org/2010/09/15-mediafrag-minutes.html">http://www.w3.org/2010/09/15-mediafrag-minutes.html</a></p>
<p class='phone'>+1 ?</p>
<p class='irc'><<cite>foolip</cite>> +1</p>
<p class='irc'><<cite>erik</cite>> +1</p>
<p class='phone'>minutes accepted</p>
<h3 id="item02">2. TPAC</h3>
<p class='phone'>TPAC week from Nov 1st till Nov 5th in Lyon
France</p>
<p class='phone'>Yves, most likely only on Tuesday</p>
<p class='phone'>Davy will attend the whole week</p>
<p class='phone'>Raphael will attend from Mon till Thu or
Fri</p>
<p class='phone'>There are 40$ fees per day, and the fees
increase after Oct 22nd</p>
<p class='phone'><cite>scribe:</cite> so please register
before</p><a name="action01" id="action01"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> Yves to book zakim for the 2 days
meeting of the group on Mon 1st and Tue 2nd Nov [recorded in
<a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action01">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action01</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-185
- Book zakim for the 2 days meeting of the group on Mon 1st and
Tue 2nd Nov [on Yves Lafon - due 2010-09-29].</p>
<p class='phone'>ACTION-183?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-183 --
Raphaël Troncy to send reminders to all relevant groups -- due
2010-09-15 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/183">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/183</a></p>
<p class='phone'>I have not yet done this for IETF, TAG</p>
<h3 id="item03">3. MEDIA FRAGMENT EXTENSION:</h3>
<p class='phone'><cite>Erik:</cite> no more news from
Michael/Conrad should we be concerned?</p>
<p class='phone'><cite>Raphael:</cite> I don't think so ...
there are no critical actions from them we depend on<br />
... if they can provide feedback, it's good<br />
... we must progress without waiting</p>
<p class='phone'>Philippe's proposal: <a href=
"http://lists.w3.org/Archives/Public/public-media-fragment/2010Aug/0005.html">
http://lists.w3.org/Archives/Public/public-media-fragment/2010Aug/0005.html</a></p>
<p class='phone'><cite>Philippe:</cite> this is just one part
of the problem<br />
... we could include this piece of ABNF in the doc</p>
<p class='phone'>ACTIOn-173?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-173 -- Yves
Lafon to produce the code that will check the grammar of both
the URI syntax and the Headers syntax -- due 2010-06-22 --
OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/173">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/173</a></p>
<p class='phone'>ISSUE-19?</p>
<p class='irc'><<cite>trackbot</cite>> ISSUE-19 --
Parsing must be defined normatively in the MF spec itself --
open</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/19">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/19</a></p>
<p class='phone'><cite>Yves:</cite> action is still
pending<br />
... what I would like to have is what goes in the javascript
stack from the browsers when they meet a %encoded URL<br />
... %encoded and html-encoded URL (with ampersand)</p>
<p class='phone'><cite>Erik:</cite> is this browser
independent?</p>
<p class='irc'><<cite>foolip</cite>> html entities:
&amp;</p>
<p class='irc'><<cite>foolip</cite>> percent encoding:
%64</p>
<p class='phone'><cite>Philippe:</cite> this never reaches
javascript, this is handled by the HTML parser<br />
... for percent encoding, yes, the js sees the un-decode
string</p>
<p class='phone'><cite>Yves:</cite> could you send to the
mailing list the tests you have made so we can test on another
browser than Opera</p>
<p class='phone'><cite>Philippe:</cite> sure</p><a name=
"action02" id="action02"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> philippe to send his list of test
cases to the mailing list for understanding how browsers handle
%-encodded and html-encoded URL [recorded in <a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action02">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action02</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
find user - philippe</p>
<p class='irc'><<cite>foolip</cite>> Philip</p><a name=
"action03" id="action03"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> philip to send his list of test cases
to the mailing list for understanding how browsers handle
%-encodded and html-encoded URL [recorded in <a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action03">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action03</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-186
- Send his list of test cases to the mailing list for
understanding how browsers handle %-encodded and html-encoded
URL [on Philip Jägenstedt - due 2010-09-29].</p>
<p class='phone'><cite>Erik:</cite> what's happened if browsers
manage this inconsistently?</p>
<p class='phone'><cite>Raphael:</cite> the related problem
deals with extensibility<br />
... of the URI syntax</p>
<p class='phone'><cite>Philip:</cite> the whole thing is to
have a break into name/value pairs<br />
... and then be relaxed if you don't understand all name/value
pairs<br />
... I think we should have a syntax, that mandates what we
should have as name/value<br />
... parsers fail for typos<br />
... but implementations should be more relaxed</p>
<p class='phone'><cite>Yves:</cite> what bothers me that the
ABNF tells both what the syntax is and how to parse it<br />
... the big issue is something that is not a media fragment can
be recognized as a Media Fragment</p>
<p class='irc'><<cite>foolip</cite>> "parsers fail for
typos" isn't correct</p>
<p class='irc'><<cite>foolip</cite>> a validator would,
but not a parser in a browser</p>
<p class='phone'><cite>Yves:</cite> we could put an algorithm
for the browser<br />
... we need to decide first what to do with extensibility<br />
... then I don't see problem of having the algo closed to the
ABNF definition<br />
... so Annex D will move up towards the formal grammar</p>
<p class='phone'><cite>Erik:</cite> I will not make the parsing
instructions normative, they are useful guidelines only</p>
<p class='phone'><cite>Philip:</cite> if we need to valid the
whole URI before, then parsers will be broken with version
2</p>
<p class='phone'><cite>Yves:</cite> yes, but if the new thing
means already something you're already into trouble</p>
<p class='irc'><<cite>silvia</cite>> ping?</p>
<p class='phone'><cite>Yves:</cite> I agree</p>
<p class='phone'>s/agrre/agree with Philip</p>
<p class='phone'><cite>Raphael:</cite> could we just write a
normative paragraph that states how the parser should behave
?</p>
<p class='phone'><cite>Erik:</cite> a lot of test cases would
need to be redefined</p>
<p class='phone'><cite>Yves:</cite> I want to have everybody on
the phone to agree what we want to do with extensibility</p>
<p class='irc'><<cite>Yves</cite>> I would note that we
can try to get agreement on the ML in the meantime</p><a name=
"action04" id="action04"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> Philip to start a new thread about
extensibility of the Media Fragments in order to get consensus
by next week [recorded in <a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action04">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action04</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-187
- Start a new thread about extensibility of the Media Fragments
in order to get consensus by next week [on Philip Jägenstedt -
due 2010-09-29].</p>
<p class='phone'><cite>Tpic:</cite> 4. PUBLIC COMMENT</p>
<p class='phone'>ACTON-184?</p>
<p class='phone'>ACTION-184?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-184 -- Yves
Lafon to email Chris the reply on when to send the range header
-- due 2010-09-15 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/184">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/184</a></p>
<p class='phone'><cite>Yves:</cite> pending?</p>
<h3 id="item04">5. AOB?</h3>
<p class='irc'><<cite>erik</cite>> have a nice day</p>
<p class='phone'><cite>Silvia:</cite> will you attend TPAC in
Lyon ?</p>
<p class='irc'><<cite>silvia</cite>> raphael: no and I
think I have un-registered</p>
</div>
<h2><a name="ActionSummary" id="ActionSummary">Summary of Action
Items</a></h2><!-- Action Items -->
<strong>[NEW]</strong> <strong>ACTION:</strong> philip to send
his list of test cases to the mailing list for understanding how
browsers handle %-encodded and html-encoded URL [recorded in
<a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action03">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action03</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> Philip to start a
new thread about extensibility of the Media Fragments in order to
get consensus by next week [recorded in <a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action04">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action04</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> philippe to send
his list of test cases to the mailing list for understanding how
browsers handle %-encodded and html-encoded URL [recorded in
<a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action02">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action02</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> Yves to book
zakim for the 2 days meeting of the group on Mon 1st and Tue 2nd
Nov [recorded in <a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html#action01">http://www.w3.org/2010/09/22-mediafrag-minutes.html#action01</a>]<br />
<br />
[End of minutes]<br />
<hr />
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Minutes formatted by David Booth's <a href=
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$Date: 2010/09/22 09:57:17 $
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