; * doc/lispref/control.texi (Generators): Fix typo.
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@ -1534,7 +1534,7 @@ iterator with @code{iter-next} for anything interesting to happen.
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Each call to a generator function produces a @emph{different}
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iterator, each with its own state.
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@defun iter-next iterator value
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@defun iter-next iterator &optional value
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Retrieve the next value from @var{iterator}. If there are no more
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values to be generated (because @var{iterator}'s generator function
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returned), @code{iter-next} signals the @code{iter-end-of-sequence}
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