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Re: [csswg-drafts] [css-fonts][css-text] Variant Selection of Colorful (Emoji) or Monochrome Glyphs

From: Christoph Päper via GitHub <sysbot+gh@w3.org>
Date: Wed, 03 Aug 2016 13:52:08 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-237242800-1470232326-sysbot+gh@w3.org>
This issue is about both features and how to distinguish them, 
@kojiishi.

`text-transform` is about using the glyph of a different character 
than the one encoded or, some may argue, changing the code of the 
character and thus the glyph. Variation selectors are a different 
mechanism to choose an alternative glyph, but – much like 
`font-variant` and its foundational Open Type features – usually it’s 
specific to the encoded character and is not shared with or taken from
 a different character. That’s why I believe this part belongs into 
css-text. I think I would be okay with a separate `text-…` property, 
though.

Controlling the font palette of multi-color fonts belongs in 
css-fonts, on the other hand, maybe with considerations in css-color. 
The features interact insofar that requesting a monochrome palette is 
often almost the same as transforming all emojis to `text` style, 
except that not all emojis support VS-15 as shown in the table with 
the blue heart. The “black” hearts are always colored red when treated
 as `emoji`, but with a monochrome palette they should look much like 
the newly encoded U+1F5A4.

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Received on Wednesday, 3 August 2016 13:52:17 UTC

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