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[css-text] Add 2 tests to make sure default_ignorable characters are not rendered #32421

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litherum
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https://drafts.csswg.org/css-text-3/#white-space-processing

Unsupported Default_ignorable characters must be ignored for text rendering.

This is the test from https://bugs.webkit.org/show_bug.cgi?id=235053

…not rendered

https://drafts.csswg.org/css-text-3/#white-space-processing
> Unsupported Default_ignorable characters must be ignored for text rendering.

This is the test from https://bugs.webkit.org/show_bug.cgi?id=235053
@frivoal
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frivoal commented Jan 26, 2022

Hmmm. The distinction between supported and unsupported is per implementation, and expected to evolve over time, right? I think the test works because even when supported, those characters aren't supposed to have a visual appearance on their own (didn't check one by one, but I think that's true), so they should stay invisible regardless of whether it's because they're unsupported default_ignorable (and thus, ignored per spec), or because they are supported and look like nothing.

But if that's the case, why comment out some of them?

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