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Changes between Initial Version and Version 1 of Ticket #29567

-              initial
+              v1
+```
+{{{#!python
 class B(models.Model):
     name = models.CharField(max_length=10)
 …
     name = models.CharField(max_length=10)
     b = models.ForeignKey('B', on_delete=models.CASCADE)
+```
+}}}
 And then:
+```
+{{{#!python
 A.objects.all().update(name=F('b__name'))
 raise FieldError("Joined field references are not permitted in this query")
 django.core.exceptions.FieldError: Joined field references are not permitted in this query
+```
+}}}