On Sunday 2014-09-21 00:09 -0500, David Hyatt wrote:
> I see a similarity with other font features that layout engines have synthesized in the past if the fonts don't have built-in support. For example, synthesized small caps.
>
> I agree that the font should ultimately do it, but I'm not sure it's practical to wait for the fonts (and OS text engines) to catch up here.
>
> Given the lack of support in existing fonts, I'm expressing a willingness to do the positioning in layout myself, since - assuming the rules are well understood - it doesn't strike me as overly difficult to do so. I don't think there's any reason this has to be a spec requirement though (that the layout engine position the tone marks).
>
> Something like the CSS2.1 small-caps phrasing is all I'd really be asking for in the spec, e.g., section 15.5:
>
> "It is acceptable (but not required) ... "
OK, sounds reasonable to me.
-David
--
𝄞 L. David Baron http://dbaron.org/ 𝄂
𝄢 Mozilla https://www.mozilla.org/ 𝄂
Before I built a wall I'd ask to know
What I was walling in or walling out,
And to whom I was like to give offense.
- Robert Frost, Mending Wall (1914)