John asked:
Does the Unicode process restrict the language people use? For example, I haven't seen any requests to add any new English characters – I can write whatever I like without having to amend the base character set.
Good question and observation!
Our Roman alphabet has 26 X 2 = 52 letters, and you are right. With them we can write any word that we can say.
It's quite a different matter with Chinese characters. There are tens of thousands of them, only about 3,000 of which are in fairly common use (covering 99.18% of all occurrences), and about 6,000 of which are in infrequent use (covering about 99.98% of all occurrences).
Most great works of Chinese literature, both modern and premodern, are written within a range of around 3,000 characters or less.
I've never met a single person, no matter how learned, who could actively produce more than 8,000 characters by handwriting, without the aid of any electronic device (I think that there must be an upper limit to the number of different characters the human brain can keep distinct in their brain for active production, which requires intricate neuro-muscular coordination. .
10,000 characters would cover 99.9999999% of all occurrences.
[VHM: The coverage figures in the previous paragraphs are taken from "Modern Chinese Character Frequency List" by Jun Da.]
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