I myself have never seen it before John posted the link; thank you, John. But I recommend that we don't go anywhere near an actual tribal alphabet to honor Bill, because we'd need to research the context of not only the glyphs, but also the native language. Here's an example of the Digohweli typeface; I've entered some characters from the Unicode extended range. They are cast in a Roman style, but the non-English characters are wonderfully artistic and remind me a little of Saxon runes and alchemy symbols.

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No, I feel strongly that to honor Bill Taylor with a font that represents some of his heritage, we need to go symbolic, generalizing what we present, and proceed with a hunility based on the fact that none of us will really understand what was in Bill's mind and spirit any better than we did the day he passed on.

My Best,

Gary