Fixed #13407 -- Corrected verbose names for autogenerated m2m models, and cleaned up the default form prefix when an autogenerated m2m through model is used in a formset. Thanks to carljm for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13029 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/admin_inlines/models.py

@@ -30,6 +30,20 @@ class Child(models.Model):
     def __unicode__(self):
         return u'I am %s, a child of %s' % (self.name, self.parent)
 
+class Book(models.Model):
+    name = models.CharField(max_length=50)
+
+class Author(models.Model):
+    name = models.CharField(max_length=50)
+    books = models.ManyToManyField(Book)
+
+class BookInline(admin.TabularInline):
+    model = Author.books.through
+
+class AuthorAdmin(admin.ModelAdmin):
+    inlines = [BookInline]
+
+admin.site.register(Author, AuthorAdmin)
 
 class Holder(models.Model):
     dummy = models.IntegerField()