Re: utf-8

[Peter Stephenson <p.w.stephenson@xxxxxxxxxxxx>]

On Thu, 18 Dec 2014 12:04:01 -0800
Ray Andrews <rayandrews@xxxxxxxxxxx> wrote:

> On 12/18/2014 10:52 AM, ZyX wrote:
> >
> You are missing the main point. Identifiers consist of the characters for which `iswalnum` is true
> 
> ...
> “☠” is U+2620 SKULL AND CROSSBONES which does *not* have unicode 
> category “Letter” or “Number” and thus cannot be used in an identifier.
> 
> Ok, I see what you are saying.  So 'anything' can be data, but an 
> identifier must be a 'letter' or 'number'.  Where can I see a table of 
> what iswalnum() accepts out of unicode?

http://www.unicode.org/charts/

describes the type for each unicode character.

You'll need to direct questions about that elsewhere.

pws