Re: Combining across markup? (Was: RE: sign for anti-neutrino - g ree k nu with diacritical line aboveworkaround ?)

From: Peter Kirk (peterkirk@qaya.org)
Date: Tue Aug 10 2004 - 13:43:06 CDT

  • Next message: Mike Ayers: "RE: Combining across markup? (Was: RE: sign for anti-neutrino - g ree k nu with diacritical line aboveworkaround ?)"

    On 10/08/2004 18:33, Jon Hanna wrote:

    > ...
    >
    >As for modern markup, consider if instead of ̄ you had ̸
    >By the rules of XML that is treated as if the character U+0338 was there rather
    >than the escape sequence.
    >By the rules of Unicode the sequence U+003E, U+0338 is treated the same as the
    >character U+226F.
    >By the rules of XML replacing ≯ with U+226F would mean the document was
    >no longer well-formed.
    >
    >So even without an explicit spec saying otherwise the above would be
    >problematic.
    >
    >
    >
    This means that the rules of XML conflict with the rules of Unicode. If
    the string is a Unicode string, U+226F is canonically equivalent to
    <U+003E, U+0338> and therefore any higher level protocol should treat
    the two sequences as identical, rather than reject one of them as
    causing the document to be ill-formed. 

    -- 
Peter Kirk
peter@qaya.org (personal)
peterkirk@qaya.org (work)
http://www.qaya.org/

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