Re: unencodable-char-position bug?

[Paul Pogonyshev]

Kenichi Handa wrote:
> In article <address@hidden>, Paul Pogonyshev <address@hidden> writes:
> 
> > Is it correct that
> 
> >     (unencodable-char-position 0 1 'utf-8 nil "ы")
> 
> > evaluates to 0?
> 
> No.  But my Emacs (CVS HEAD) evaluates that to nil, which is
> correct.  Which version of Emacs are you using?

Just update to CVS HEAD, the same result, zero.  Weird...

> > In general, what is the best way to determine if given character
> > is encodable in given coding system?
> 
> Using unencodable-char-position is good.  You can also use
> these:
> 
> (memq 'SOME_CODING_SYSTEM (find-coding-systems-region FROM TO))
>   or
> (memq 'SOME_CODING_SYSTEM (find-coding-systems-string STRING))

This works, i.e. (memq 'mule-utf-8 (find-coding-systems-string "ы"))
evaluates to non-nil...

Paul