Re: TTML Schema Verification

On Wed, Feb 13, 2013 at 6:03 PM, David Ronca <dronca@netflix.com> wrote:

>  > Any chance they are really trying to conform with a subset profile such as****
>
> SDP-US or CFF-TT?****
>
> ** **
>
> We are seeing obvious schema issues like this: tts:textAlign="after".
> Also seeing the positioning model below that does not appear to be a schema
> error, but is not defined in the spec: ****
>
> ** **
>
> <p begin="00:00:01.40" end="00:00:04.13" region="speaker" tts:textAlign="
> right"><metadata ccrow="12" cccol="8"/>[crowd cheering]</p>
>

Yes, this metadata usage is invalid, unless the attributes are placed in a
foreign namespace. The TTML1.0 REC shows a correct example in:

http://www.w3.org/TR/2010/REC-ttaf1-dfxp-20101118/#metadata-vocabulary-metadata-example-3