>theoretical questions.  For example, our campus copy shops will not
>reproduce directly from books or other print sources without
>permission, but they will reproduce already-copied pages.  So, if a
>person makes a photocopy from a text and then takes it to the shop,
>it's no problem.  I suppose that any burden of copyright violation has
>been removed from the copy shop by at least one step--to the person who
>made the copy.

This is an odd idea.  The copy shop would actually still be violating
copyright no matter how many generations are removed.

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