Re: [csswg-drafts] [css-content] Display gaiji as text if glyphs are supported (#4013)

@frivoal that approach might work for a [requirement](https://github.com/w3c/tt-reqs/issues/15) we are lacking solution ideas for in TTWG at the moment. 

One suggestion is to use special fonts with non-Unicode images (e.g. a Twitter/YouTube/Facebook/Honda icon etc) at private use area code points; however the main criticism of that approach is that it is brittle: if the author cannot control the actual font file used then it would break. That could easily happen, for example 1) if there's some out of band agreement to use a particular font file, which holds valid for a year or two, and then the font file is updated but the referencing resources are not maintained, or 2) if the author synthesises a font with just the images needed, but the distributed font differs for some reason.

Directly synthesising the font within the resource where it is going to be used helps avoid those issues.

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Received on Thursday, 27 June 2019 11:02:04 UTC