Whenever you have questions about these sorts of issues, make very sure that you consult the latest version of the Unicode standard, in this case, 4.0.1 <http://www.unicode.org/versions/Unicode4.0.1/>
You will find there the following -- much more explicit -- text, that amends the text from 4.0: D13a Graphic character: A character with the General Categories of Letter (L), Combining Mark (M), Number (N), Punctuation (P), Symbol (S), or Space Separator (Zs). ... D13b Base character: Any graphic character except for those with the General Category of Combining Mark (M). Mark __________________________________ http://www.macchiato.com â ààààààààààààààààààààà â ----- Original Message ----- From: "Theo Veenker" <[EMAIL PROTECTED]> To: "unicode" <[EMAIL PROTECTED]> Sent: Thu, 2004 Jun 10 07:05 Subject: base character > According to the definition a base character is: > > "A character that does not graphically combine with > preceding characters, and that is neither a control > nor a format character." > > What is this expressed in terms of properties? > Something like this? cc==0 AND GG!=Cc AND GC!=Cf AND GC!=Cn > > Theo > > >

