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On Mon, Feb 11, 2019 at 12:23 PM Vernon Hamberg
<vhamberg@xxxxxxxxxxxxxxx> wrote:
YaHei also displayed
Cyrillic at the same time. JhengHei did not have any Cyrillic, although
both of these are Unicode. MingLiU-ExtB also is Unicode but no Cyrillic.

So very interesting - we are installing SS1 opt 43, additional fonts,
which is supposed to include Unicode fonts.

The term "Unicode font" is remarkably uninformative. All it
technically means is that it maps Unicode code points to glyphs (where
"glyphs" are the visual, human-readable characters). It doesn't say
anything about how many or which languages are supported. You could
easily have a Unicode font that only contains glyphs for English, for
example.

These days, it's *almost* the case that "Unicode font" really just
means the same thing as "font".

So what's a "non-Unicode font", if there even is such a thing? That's
a mapping from a particular *encoding* to glyphs.

What's the difference? Isn't Unicode an encoding? Well, no, not
really. Not in any relevant and meaningful way, when discussing fonts.

It probably will not make sense to you unless you really understand
what Unicode is. The basic idea is covered well by Joel Spolsky, in
the article I always quote:

https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-character-sets-no-excuses/

If you already understand what Unicode is (to the extent Spolsky
explains), but then wonder why we can't just have a "master font" that
supports every defined Unicode character (even after discarding all
concern whatsoever for aesthetic concerns) there's this:

https://stackoverflow.com/questions/34732718/why-isnt-there-a-font-that-contains-all-unicode-glyphs

John Y.

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