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bug#9653: 24.0.50; `ucs-names' - Why all of the ("" . XXX) entries?


From: Kenichi Handa
Subject: bug#9653: 24.0.50; `ucs-names' - Why all of the ("" . XXX) entries?
Date: Tue, 04 Oct 2011 10:14:50 +0900

In article <address@hidden>, Andreas Schwab <address@hidden> writes:

> Kenichi Handa <address@hidden> writes:
> > It returns "" in such a case in Emacs 24.  Emacs 23 returned
> > nil but that behavior was fixed because Unicode Standard
> > Annex #44 (Unicode Character Database) says as below:
> >
> > 4.2.8 Default Values
> > [...]
> >     * For miscellaneous properties which take strings as
> >       values, such as the Unicode Name property, the default
> >       value is a null string.
> >                ^^^^^^^^^^^^^

> That doesn't preclude interpreting them as nil.

Hmmm, I've thought that nil usually means no-value, not an
empty string, and Unicode says they surely have a `name'
value.

---
Kenichi Handa
address@hidden





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