From: Rick McGowan (email@example.com)
Date: Fri May 16 2003 - 18:05:10 EDT
I would like to draw your attention to some of the open "public review"
items on this page:
Review periods for several items are slated to close on June 1, 2003.
Below I have appended the items for your convenience, but please see the
page for links to relevant documents.
If you have comments or discussion, please consider expressing yourself.
After discussion, you may post comments for official consideration by
visiting our feedback & reporting page:
5 Object Replacement Char
Whether to treat U+FFFC Object Replacement Character and the
Interlinear Annotation Characters as "default ignorable" or to have a
default visible representation. See the accompanying document for details.
7 Tailored normalization forms
The UTC is considering allowing limited tailoring of normalization
forms. This would involve excluding certain specified sets of characters
from decomposition, notably the CJK compatibility characters (which are
actually canonical--not compatibility--decomposables).
Possible advantages are that it allows the graphic variations to
be preserved; possible disadvantages are interoperability problems with
different variants of normalization forms. Two documents discussing this
issue are posted HERE and HERE.
8 Math digits
It is proposed to give the mathematical digits (U+1D7C9 ..
U+1D7FF) the general category of "No" rather than "Nd", and to delete the
value of field 6 from those characters in the UCD (UnicodeData.txt file;
note: the first field is numbered 0).
This is in recognition of the fact that these digits are most
commonly not used as part of decimal numbers, but are used as variables or
other mathematical symbols.
This proposal is intended to change their Numeric_Type from nt=de
(Decimal) to nt=di (Digit), thereby aligning them with the superscript and
subscript digits which were just changed, as special cases, and
distinguishing them from the various sets of decimal digits per se (nt=de
and gc=Nd). As a result of the proposed change, category Nd would be
reserved for decimal digits used in ordinary decimal numbers.
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