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Shared workspace for EPUB 3 specifications.
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Are SSML attributes allowed on SVG? #1710

Closed mattgarrish closed 3 years ago

mattgarrish commented 3 years ago

Is there a reason we only define them for XHTML given that they could be put on text/tspan elements in SVG?

The one awkward part is that you can't define lexicons in SVG since it lacks a link element, but there's no reason you can't use SSML or CSS Speech in SVG.

iherman commented 3 years ago

The one awkward part is that you can't define lexicons in SVG since it lacks a link element,

Actually, not sure it does, see §5 HTML metadata elements in the SVG spec. The text does say:

For user agents that support HTML…

But that is certainly the case for Reading Systems. There is also an example in §6.3 using the <link> element to import a CSS style sheet. We can certainly rely on the same mechanism to import lexicons.

mattgarrish commented 3 years ago

Actually, not sure it does, see §5 HTML metadata elements in the SVG spec.

Ah, nice! I was looking at the element index and it wasn't listed there. Wish that index included everything.

We can certainly rely on the same mechanism to import lexicons.

Even better case for questioning why we didn't include the TTS enhancements for SVG.