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While working on w3c/dapt#43 I noticed that there's no feature that allows _only_ the TTML2 profile attribute vocabulary to be specified, without also requiring support for the TTML1-defined `#profile…
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- CSS WG 每月动态 #34
- W3C 每月动态 #19
> 文档的状态码的说明,详细见 [#18 术语](https://github.com/anjia/blog/issues/18#issue-365202242)
> 诸如 `ED`, `FPWD`, `WD`, `CR`, `PR`, `REC` 等
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ways to keep up to d…
anjia updated
5 years ago
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3350 says:
The tt:region element may also specify some layout-specific style information with TTML style attributes. A style attribute that is defined for the tt:region element shall not appea…
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Hello TAG!
@murata2makoto [requests](https://www.w3.org/mid/CALvn5EDwPnNQnYkrcRvW4rpaxfNPSbzy6on894B7v=9ixOM7-Q@mail.gmail.com) that the TAG consider the following specification:
- [XML 1.1](htt…
hober updated
4 years ago
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Defined values of `ttm:role` are both listed in the specification _and_ referenced as a separate registry at https://www.w3.org/wiki/TTML/RoleRegistry but it is not clear what the process is for addin…
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Whereas a single TTML file may be structured to include metadata and chapter information, through the use of elements and the ttm:role attribute and ttm:metadata for example, the common usage pattern…
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# Document title, URLs, estimated publication date
**TTML Live Extensions Module v1**
https://www.w3.org/TR/2019/WD-tt-live-1-20191107/
Latest published version:
https://www.w3.org/TR/tt-live-1/…
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Split out from #323 - add parameters analogous to the `clipBegin` and `clipEnd` attributes of the `` element but applicable to the TTML document, whose effect is to define the period of time in the do…
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Seems to me by looking at the overlapping examples (ex 2) there's some issue with timebases.
As time base is set to media, RootTemporalExtent is defined by the Instance of the document/body, which …
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Raising this as a placeholder for a possible future requirement, maybe on TTML2 or a future version. I have had recent internal feedback from BBC that we may need this feature.
Adding support for f…