Fixed #5448: you can now use unicode characters in primary keys. Thanks, pigletto.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6200 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/custom_pk/models.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 14. Using a custom primary key
 
@@ -92,4 +93,8 @@ DoesNotExist: Employee matching query does not exist.
 >>> Business.objects.filter(employees__first_name__startswith='Fran')
 [<Business: Sears>]
 
+# Primary key may be unicode string
+>>> emp = Employee(employee_code='jaźń')
+>>> emp.save()
+
 """}