Concerning mathematics

From: Stefan Persson (alsjebegrijptwatikbedoel@yahoo.se)
Date: Fri Mar 08 2002 - 05:09:14 EST


The Standard contains several special mathematics characters, such as, for example, A (italic "A"). But I thought of some letters that might not be fully supported: Let's say that you find a formula like this in some Swedish book:

mfågel = 1 kg

This means that a bird ("fågel" in Swedish) has the mass of 1 kg. How would the italic å be encoded? As "a ring-above"? OK, this might work (though it might be necessary to add a new property for the ring-above character. But what about other languages such as, for example, Danish?

mfugl = 1 kg   would work, but what about

m25 øre = 1 g   (the mass of a Danish 25 øre coin)

?

How would the italic "ø" be encoded? I'm not sure for exactly which characters this occurs, but I know that the Swedish letters "å", "ä", and "ö" can theoretically be used as variables (though you rarely use them for that purpose), meaning that they should be italic. I do not know what the other mathematical characters (bold, double-struck, etc.) are used for, so I can't tell if any of these letters might appear in any of those styles.

I'm not sure how important this is for encoding; if I've understood everything right, the main reason for having italics encoded is to making difference between "cos" (c × o × s) and "cos" (cosine function).

Stefan#12473;#12486;#12540;#12501;#12449;#12531; Persson#12506;#12540;#12523;#12477;#12531;

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