Re: Unique character names

From: Asmus Freytag (asmusf@ix.netcom.com)
Date: Sat Dec 01 2007 - 19:16:31 CST

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    On 12/1/2007 10:17 AM, Doug Ewell wrote:
    > UAX #34 has the following to say about unique naming of character
    > sequences, and by extension, characters:
    >
    >> R3: Like character names, names for sequences are unique if they are
    >> different even when SPACE and medial HYPHEN-MINUS characters are
    >> ignored, and when the strings “LETTER”, “CHARACTER”, and “DIGIT” are
    >> ignored in comparison of the names.
    >>
    >> The following two character names are exceptions to this rule,
    >> because they were created before this rule was specified:
    >>
    >> 116C HANGUL JUNGSEONG OE
    >> 1180 HANGUL JUNGSEONG O-E
    >>
    >> Examples of unacceptable names that are not unique:
    >>
    >> SARATI LETTER AA
    >> SARATI CHARACTER AA
    >
    > I'm wondering if this rule applies to the string "LETTER" in the
    > following character names:
    >
    > U+210C BLACK-LETTER CAPITAL H
    > U+2111 BLACK-LETTER CAPITAL I
    > U+211C BLACK-LETTER CAPITAL R
    > U+2128 BLACK-LETTER CAPITAL Z
    > U+212D BLACK-LETTER CAPITAL C
    it most certainly does.
    >
    > In other words, would a hypothetical character name "BLACK CHARACTER
    > CAPITAL H" violate this rule?
    >
    > (This is not meant as a joke, by the way; I'm playing around with
    > algorithms for efficient storage of character names.)
    Believe it or not, the Consortium uses software to make sure that these
    rules are followed.

    A./

    PS: I know, I wrote one of the tools used in checking drafts of the
    nameslist during my tenure as code chart editor.



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