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Per: https://github.com/w3c/ttwg/issues/116
Comment 3 (https://github.com/w3c/imsc/issues/545), 3
Simple animation can be embedded in an ARIB-TTML document with “arib-tt:keyframes” and “arib-tt:an…
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Nested styling has higher priority than referential styling
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I saw this PR https://github.com/raspberrypi/pico-sdk/pull/504/commits/6e6cb52192b3a9455d0714e606633d82283062b4 and some discussion in issue https://github.com/raspberrypi/pico-sdk/issues/500.
It …
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> it would be really neat if there was some type of indicator that would display on a web page that there is a cached page available. The WP administrator could enable that for everyone or just admini…
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Currently the specification for [`itts:forcedDisplay`](https://www.w3.org/TR/ttml-imsc1.1/#itts-forcedDisplay) in both IMSC 1.0.1 and IMSC 1.1 suggests in the introduction that it only applies to cont…
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IMSC1.0 specifies that #extent-root is permitted, and #extent-root implies support for #extent-auto (see note in TTML2 §E.1.92); however, IMSC1.1 does not include #extent-auto in §6, which would mean …
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Per: https://github.com/w3c/ttwg/issues/116
Comment 3 (https://github.com/w3c/imsc/issues/545), 1
ARIB-TTML can render the images with the texts in the same TTML document. A BASE64 encoded image c…
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IMSC1.1 [1] states that
>A `div` element that contains a child `image` element SHOULD contain a `metadata` element containing an `altText` named metadata item that is a Text Alternative of the imag…
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At present, the image profile prohibits the use of smpte:image, forcing authors to always use external images. I believe this a bad long term strategy and unnecessarily restrictive.