idle 3.0 unicode

[小楼]

On 1月1日, 下午4时11分, Pavel Kosina <g... at post.cz> wrote:
> As for unicode in Python 2.5 everything works fine in program running
> either in IDLE or under Command line:
> # -*- coding: utf-8 -*-
> print u"ěščřžýáíé"
>
> In 3.0 there is an error.  The same program, moved to 3.0 syntax, in
> IDLE editor :
> # -*- coding: utf-8 -*-
> print ("ěščřžýáíé")
>
> prints:
> ěščřžýáíé
>
> The same program running in Command line from PSPad editor works fine.  
> Is it mistake of my misunderstanding or of IDLE?
>
> -------------
>
> The same program without coding declaration (but saved in utf8) :
> print ("ěščřžýáíé")
>
> even immediately destroyed my IDLE window without any error message.
>
> --
> geon
> Pavel Kosina

#coding="utf-8"
#中国
print('a')

saved in utf8
alt+x,destroyed IDLE...
me too,why?