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[imsc] Image profile documents generate no ISDs

From: nigelmegitt via GitHub <sysbot+gh@w3.org>
Date: Fri, 20 Nov 2015 16:47:02 +0000
To: public-tt@w3.org
Message-ID: <issues.opened-118079968-1448038022-sysbot+gh@w3.org>
nigelmegitt has just created a new issue for 

== Image profile documents generate no ISDs ==
According to TTML1's [construct intermediate document] process in 
ยง9.3.2 _empty_ content elements are pruned. Since image profile 
documents are not permitted to contain `p`, `span` or `br` elements 
and entities in other namespaces are ignored, the `div` elements are 
all empty according to TTML1 and will be pruned, resulting in there 
being no ISDs generated at all. I think some wording in IMSC may be 
needed to indicate that for the purpose of ISD generation a `div` 
element with a resolvable `smpte:backgroundImage` attribute shall not 
be considered empty.

Please view or discuss this issue at 
https://github.com/w3c/imsc/issues/94 using your GitHub account
Received on Friday, 20 November 2015 16:47:04 UTC

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