idered "letters:"<P>
<UL>
<LI>The characters "A" through "Z" <P>
<LI>The characters "a" through "z"<P>
<LI>All Unicode characters with a character number above hex 00C0 <P>
</UL>
Other characters valid after the first letter of an identifier include every character except those in the segment of Unicode reserved for special characters.<P>
Thus, "gar&ccedil;on" and "Mj&oslash;lner" are legal identifiers, but strings containing characters such as "xa6 " are not. <P>
For more information on the Unicode standar