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Pruning of content elements based on the Intermediate Synchronic Document Construction

From: Andreas Tai <tai@irt.de>
Date: Mon, 01 Jun 2015 20:16:16 +0200
Message-ID: <556CA170.7090806@irt.de>
To: Glenn Adams <glenn@skynav.com>, public-tt <public-tt@w3.org>
Glenn, all,

one question regarding the construction of an Intermediate Synchronic 
Document (ISD) based on the algorithm defined in section 9.3.2 of TTML.

Given the following simplified TTML document:

<tt>
     <head>
         <layout>
             <region id="divRegion" ...../>
             <region id="paragraphRegion" ...../>
         </layout>
     </head>
     <body>
         <div region="divRegion">
             <p region="paragraphRegion" begin="00:00:00.000" 
end="00:00:02.000" >Hello world!</p>
         </div>
     </body>
</tt>


Would the corresponding ISD for the interval [0s, 2s) look like this?

<tt>
     <head>
         <layout>
             <region id="divRegion" ...../>
             <region id="paragraphRegion" ...../>
         </layout>
     </head>
</tt>

 From my reading no body subtrees will be re-parented to the regions 
"divRegion" and "paragraphRegion" because they are empty following the  
[construct intermediate document] and [associate region] algorithms.

Best regards,

Andreas

-- 
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Andreas Tai
Production Systems Television IRT - Institut fuer Rundfunktechnik GmbH
R&D Institute of ARD, ZDF, DRadio, ORF and SRG/SSR
Floriansmuehlstrasse 60, D-80939 Munich, Germany

Phone: +49 89 32399-389 | Fax: +49 89 32399-200
http:www.irt.de  | Email:tai@irt.de
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Received on Monday, 1 June 2015 18:17:28 UTC

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