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Changes between Initial Version and Version 1 of Ticket #23791

-              initial
+              v1
 {{{
 >>> ModelC.objects.filter ( pk__in = ModelC.objects.filter ( a__x = "abc" ) )
+>>> ModelB.objects.filter ( pk__in = ModelB.objects.filter ( a__x = "abc" ) )
 }}}
 …
 {{{
 >>> ModelC.objects.filter ( pk__in = ModelC.objects.filter ( a__x = "abc" ).values ( "pk" ) )
+>>> ModelB.objects.filter ( pk__in = ModelB.objects.filter ( a__x = "abc" ).values ( "pk" ) )
 }}}