Re: How many printable characters in 3.2.0?

From: James E. Agenbroad (jage@loc.gov)
Date: Tue Apr 23 2002 - 11:39:24 EDT


On Mon, 22 Apr 2002, Doug Ewell wrote:

> Zsigri Gyula <zsigri@hung.u-szeged.hu> wrote:
>
> > How many printable characters are there in Unicode 3.2.0? I tried
> > desperately to find the answer at the Unicode web site but could
> > not.
>
> There are 95,156 total assigned characters.
>
> To find the number of "printable" characters, you must first determine
> what you mean by "printable" and then subtract that number. This is
> where it might get tricky. Control characters, formatting characters,
> and such are obviously not "printable," but what about things like
> spaces? (Unicode 3.1 had about 20 of them.)
>
> You might try subtracting those characters in
> http://www.unicode.org/Public/UNIDATA/UnicodeData.txt that have specific
> properties, such as "Cc". Again, though, which properties are to be
> excluded is up to you.
>
> -Doug Ewell
> Fullerton, California
>
>
>
>
                                             Tuesday, April 23, 2002
There are also various combining characters. For instance a tilde could
be printed with any letter A-Z, a-z and others. Arabic and various South
and Southeast Asian scripts have many combinations of letters that appear
different from a simple linear string of such letters. How many depends
on the level of quality one wants to achieve.
     Regards,
          Jim Agenbroad ( jage@LOC.gov )
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