MC> However, the Aztec script uses color has a structural element:
MC> signs with the same design can mean different things if painted in
MC> different colors. So, if scholars *would* agree that Aztec is
MC> "writing", and if this script *would* get into Unicode, then color
MC> *should* have to be considered also at the encoding level.
The most obvious and simple example for glyph colours with semantic
meaning that I can think of appears to be encoding characters for
national flags (something that might even be considered proposable).
The differences between IRISH FLAG, BELGIAN FLAG, FRENCH FLAG (or
TRICOLORE?), NIGERIAN FLAG, ITALIAN FLAG, DUTCH FLAG, GERMAN FLAG and
NAMIBIAN FLAG are pretty obvious (apart from some being vertically,
some being horizontally striped...) and I don't think that's all of
them :-)
And I'm quite positive that Aztec can safely considered "writing"...
Philipp
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