Re: how to add all latin (and greek) subscripts

From: Doug Ewell (
Date: Mon Jul 07 2008 - 21:15:26 CDT

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    John H. Jenkins <jenkins at apple dot com> wrote:

    >> what, then, is the distinction between aleph as a "symbol" and the
    >> Hebrew letter?
    > Nothing, really, since U+2135 ALEF SYMBOL is formally a compatibility
    > variant of U+05D0 HEBREW LETTER ALEF and thus will go bye-bye if you
    > normalize using NFKC or NFKD. In practice, the most important thing
    > distinguishing the two is directionality. U+2135 ALEF SYMBOL has
    > directionality L and U+05D0 HEBREW LETTER ALEF has directionality R.

    A whole lot of things go bye-bye if you use NFKC or NFKD. That's why
    these two normalization forms should come with warning labels, like the
    ones attached to garden tools with sharp blades.

    Come to think of it, they do: UAX #15 Section 1 says, "Normalization
    Forms KC and KD must *not* be blindly applied to arbitrary text."

    Doug Ewell  *  Arvada, Colorado, USA  *  RFC 4645  *  UTN #14  ˆ

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