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[imsc] Clarification: Which mix of timing syntax is NOT recommended

From: Andreas Tai via GitHub <sysbot+gh@w3.org>
Date: Fri, 24 Mar 2017 14:27:06 +0000
To: public-tt@w3.org
Message-ID: <issues.opened-216801601-1490365625-sysbot+gh@w3.org>
tairt has just created a new issue for https://github.com/w3c/imsc:

== Clarification: Which mix of timing syntax is NOT recommended ==
IMSC1 recommends using one syntax for timing ([Section 6.11, Common Constraints, Features, #timing](https://www.w3.org/TR/ttml-imsc1/#common-features)) 

> All time expressions within a Document Instance should use the same syntax, either clock-time or offset-time.


Does this mean that "f" and "ms" approach can be mixed? Both can be offset time. In other words: Is the current syntax **not** recommended or is this not in scope of the constraint cited above:

```xml
<p begin="80ms" end="50f">..</p>
```



Please view or discuss this issue at https://github.com/w3c/imsc/issues/223 using your GitHub account
Received on Friday, 24 March 2017 14:27:32 UTC

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