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Original file line number	Diff line number	Diff line change
@@ -824,7 +824,7 @@ Because `Foo.prototype` (not `Foo`!) is in the `[[Prototype]]` chain (see Chapte
`824`	`824`
`825`	`825`	Of course, there is no `Foo` class, only a plain old normal function `Foo`, which happens to have a reference to an arbitrary object (`Foo.prototype`) that `a1` happens to be delegation-linked to. By its syntax, `instanceof` pretends to be inspecting the relationship between `a1` and `Foo`, but it's actually telling us whether `a1` and (the arbitrary object referenced by) `Foo.prototype` are related.
`826`	`826`
`827`		-The semantic confusion (and indirection) of `instanceof` syntax means that to use `instanceof`-based introspection to ask if object `a1` is related to the capabilities object in question, you have to have a function that holds a reference to that object -- you can't just directly ask if the two objects are related.
	`827`	+The semantic confusion (and indirection) of `instanceof` syntax means that to use `instanceof`-based introspection to ask if object `a1` is related to the capabilities object in question, you have to have a function that holds a reference to that object -- you can't just directly ask if the two objects are related.
`828`	`828`
`829`	`829`	Recall the abstract `Foo` / `Bar` / `b1` example from earlier in this chapter, which we'll abbreviate here:
`830`	`830`

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