I compiled success pl/sql create view using unicode font and it's display unicode true when i select query again . But i choose edit it's , it's not display unicode that instead as '?' .
Who can help me, plz ? Thanks all .

So when you query the data, the Unicode characters are displayed correctly, but when you edit the data, Unicode characters are displayed as question marks? I assume this is after editing? Did you edit the data in the SQL Window result grid?

Yes . Right . I have that problems . You can help me ?

1. I create view using unicode for data in view .
2. I select query data in this view is displayed correctly unicode .
3. But I edit this view ==> it's don't display unicode which replace character ??? in sql windows result .

Can you go to Help > Support Info, press the 'Copy all pages' button on this info screen, and paste this text into an e-mail reply?

I use PL/SQL Dev. 8.0.4.1514.
I write my comments in stored procedures in Hungarian language. I disabled Tools/Preferences/Oracle/Options/Unicode enabled option, but saving to file works on intresting way. Instead of special Hungarian characters (