From: Philippe Verdy (verdy_p@wanadoo.fr)
Date: Wed Jul 25 2007 - 07:17:22 CDT
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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