RE: UAX#14-20: undesriable line breaking opportunities (parenthese and quotation marks)

From: Philippe Verdy (
Date: Wed Jul 25 2007 - 07:17:22 CDT

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    As an alternative to my proposal, parentheses or quotation marks could also
    be described by making them inherit the line breaking opportunity property
    from the character they immediately surround, while keeping the prohibition
    of linebreking between the parenthese/quotation mark and the inner character
    it touches.

    This would correctly handle the case of parentheses used to surround
    ideographs, because parentheses should not be detached from the inner
    ideograph, despite they should still remain breakable from the outer
    character, as if these characters were absent from the text (so the line
    break rule would treat parentheses and quotation marks as if they were
    diacritics and part of a larger unbreakable grapheme cluster with the inner
    character used as the effective base, and line breaking would be analyzed by
    first ignoring them but just checking the breaking opportunities between the
    inner and outer character.)

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