[Python-ideas] Support Unicode code point notation

[Bruce Leban]

I wonder if this should also support the special labels for characters
without names:

control-NNNN
reserved-NNNN
noncharacter-NNNN
private-use-NNNN
surrogate-NNNN

see p. 138 of http://www.unicode.org/versions/Unicode6.2.0/ch04.pdf

I would think that unicodedata.name should not return these, but perhaps
unicodedata.lookup should accept them. Note that the doc says that these
are frequently displayed enclosed in <>, so perhaps

unicodedata.lookup('U+0001')
== unicodedata.lookup('control-0001')
== unicodedata.lookup('<control-0001>')
== '\x01'

--- Bruce
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