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Latin font support in Windows (was Re: First post: presenting Classical Alyis)

From:Herman Miller <hmiller@...>
Date:Wednesday, March 28, 2007, 3:20
Philip Newton wrote:
> On 3/22/07, Abel Chiaro <pchavesjr+conlang@...> wrote: >> If at >> least they had another COMBINING BREVE, suited for uppercase >> letters... Is >> there a better way around it? > > Unicode characters are abstract notions. What a particular glyph looks > like is up to the font and the rendering engine. > > So from Unicode's point of view, one combining breve is enough. Where > exactly it is positioned depends on whether the base letter is narrow > or wide, tall or short, but again, that's a font and/or rendering > engine issue -- so I'd look there rather than in Unicode for a > solution.
According to SIL (, support for Latin scripts has only been in Uniscribe (Microsoft's text system) since Windows XP SP2, which is relatively recent. Fonts created before that time aren't very likely to support glyph positioning for combining breves (unless they were designed for some other application that did support those features), and even more recent fonts won't necessarily support them unless the font designer went to the trouble of adding the extra tables. (If I can figure out how they work, I'd like to add some of these features to Thryomanes 1.4. But Thryomanes 1.3 only has a few ligature tables for phonetic symbols, and earlier versions didn't have any special OpenType features at all.) The Windows Vista fonts seem to have better support for some of these features, although I haven't tested them very thoroughly.


T. A. McLeay <conlang@...>