From: Asmus Freytag (email@example.com)
Date: Fri Dec 07 2007 - 08:21:23 CST
Given the history of the character additions in question, which were
added precisely to allow the STIX project to add them to their font,
Jukka's answer is unnecessarily dismissive.
Now that Unicode 5.1.0 is in beta, and that the code positions are not
expected to change (see the beta documentation) it is definitely the
correct time for font developers to work on integrating the necessary
In particular, the STIX project should be put on notice that these
additions have reached the beta stage. It would be a shame if the final
STIX fonts were delivered with PUA codes for these glyphs - that would
result in unnecessary duplicate coding if documents get created both
with PUA codes (for STIX fonts) and standard codes, for any font suite
that comes along just a bit later.
With endorsement from the American Mathematical Society, it can be
expected that the STIX fonts will impact how documents are created, so
it is important to get them to support Unicode 5.1.0 out of the box.
On 12/7/2007 5:02 AM, Jukka K. Korpela wrote:
> Jeroen Ruigrok van der Werven wrote:
>> Are there characters planned for 5.1.0 for Miscellaneous Mathematical
>> Symbols-A at positions: ...
> I haven't checked, and I would not bother checking in a case like this:
>> I am currently reporting back to Stix on some of their fonts and they
>> implemented glyphs on these positions and for all I can see this is
>> still reserved space.
> If it is reserved space, it does not matter whether something is planned
> there now. It's incorrect to use such code positions anyway, even if you
> would thereby anticipate their future assignment. Private use code
> positions are a better choice.
> In _fonts_, the situation may be different: a position in a font need
> not correspond to a Unicode code position. This depends on the encoding
> of the font. The crucial question is: if you take some Unicode encoded
> data and use the font to render the text, will unassigned code numbers
> be presented properly (using symbols for unassigned positions) or as
> some graphic characters?
> Jukka K. Korpela ("Yucca")
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