Unicode class names in C# - why do some work, when others don't?

Question

I'm wondering why this is. I have two unicode characters from the same group Ll, which is allowed according to the specs: http://msdn.microsoft.com/en-us/library/aa664670%28VS.71%29.aspx

One of them works, the other gives a compile error, and I can't find any documentation on why this is:

This works:

U+0467 CYRILLIC SMALL LETTER LITTLE YUS ѧ

This don't:

U+04FF CYRILLIC SMALL LETTER HA WITH STROKE ӿ

Can you help me find the pattern?

Which version of the compiler are you using?

AakashM
– AakashM

2010-07-30 10:28:38 +00:00
Commented Jul 30, 2010 at 10:28 — AakashM
– AakashM, Commented Jul 30, 2010 at 10:28

Philipp · Accepted Answer · 2010-07-30 10:24:55Z

13

U+0467 is from Unicode 1.1, whereas U+04FF is from Unicode 5.0. The page you refer to mentions Unicode 3.0. So the compiler's Unicode databases are just not new enough.

answered Jul 30, 2010 at 10:24

Philipp

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3 Comments

asgerhallas Over a year ago

Wow. That was a good and quick answer, thanks :) Can I ask where you find the version for a single character?

Philipp Over a year ago

In this case I looked it up in the GNOME character map. Another very good source is fileformat.info: fileformat.info/info/unicode/char/04ff/index.htm

asgerhallas Over a year ago

Thank you for the link. It's very useful!

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