Reserved general punctuation

Mark Davis mark.davis at
Wed Apr 30 22:38:27 CEST 2008

It *is* related to Noncharacters. Default_Ignorable_Code_Point is a derived
property. The code points that are unassigned (gc=Cn) but that should be
DISALLOWED are all and only the Noncharacters.


On Wed, Apr 30, 2008 at 9:59 AM, Paul Hoffman <phoffman at> wrote:

> At 9:16 AM -0700 4/30/08, Mark Davis wrote:
> > The formal name is Noncharacter_Code_Point.
> >
> Wait, wait. This is changing the topic completely.
> The issue I brought up was that some characters that were both unassigned
> and have the property of Default_Ignorable_Code_Point. In that case, and
> that case only, the question is whether the spec should treat the character
> as unassigned (and give it a property of UNASSIGNED) or as
> Default_Ignorable_Code_Point (and give it a property of DISALLOWED.
> This has nothing to do with non-characters.

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