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	diff --git a/src/docs/article/using_futures.diviner b/src/docs/article/using_futures.diviner
	--- a/src/docs/article/using_futures.diviner
	+++ b/src/docs/article/using_futures.diviner
	@@ -58,14 +58,13 @@

	Commonly, you may have many similar tasks you wish to parallelize: instead of
	compressing one file, you want to compress several files. You can use the
	-@{class:FutureIterator} class to manage multiple futures, via the convenience
	-function @{function:Futures}.
	+@{class:FutureIterator} class to manage multiple futures.

	$futures = array();
	foreach ($files as $file) {
	$futures[$file] = new ExecFuture("gzip %s", $file);
	}
	- foreach (Futures($futures) as $file => $future) {
	+ foreach (new FutureIterator($futures) as $file => $future) {
	list($err, $stdout, $stderr) = $future->resolve();
	if (!$err) {
	echo "Compressed {$file}...\n";
	@@ -74,7 +73,7 @@
	}
	}

	-@{function:Futures} takes a list of futures and runs them in parallel,
	+@{class:FutureIterator} takes a list of futures and runs them in parallel,
	returning them in the order they resolve, NOT the original list order. This
	allows your program to begin any followup computation as quickly as possible: if
	the slowest future in the list happens to be the first one, you can finish
	@@ -83,7 +82,7 @@
	You can also limit how many futures you want to run at once. For instance, to
	process no more than 4 files simultaneously:

	- foreach (Futures($futures)->limit(4) as $file => $future) {
	+ foreach (id(new FutureIterator($futures))->limit(4) as $file => $future) {
	// ...
	}