Re: [csswg-drafts] [css-writing-modes-4] text-combine-upright should allow the author to specify that characters are not scaled to fit within 1 em (#4319)

As we have been servicing subtitling for a long time of Digital Cinema and Internet Distribution, here are comments from our post production experience. 
First, those four are not used a lot in normal subtitling (vertical writing tate-chu-yoko) but a few cases will happen from our client special requests.

> Is text-emphasis allowed on upright characters? If so, what is the expected behavior?
Yes for Digital Cinema. No for Internet Distribution.
And behavior is applied to upright ideographic characters as kojiishii mentioned.

> Is underline allowed on upright characters? If so, what is the expected behavior?
No for both. We may have possibility in horizontal writing, though.

> What is the expected behavior when ruby text is used in combination with upright characters?
Yes for both. Same behavior as text-emphasis.

> What is the expected behavior when background is applied to upright characters?
Yes for Internet Distribution. No for Digital Cinema.
Same behavior as text-emphasis, but it should behavior as boundary box (one rectangle) not individual character to prevent zigzag shape by rectangles of each characters.

Thank you.


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Received on Thursday, 19 September 2019 08:53:46 UTC