QED.rdoc in assay-0.4.0 vs QED.rdoc in assay-0.4.1

@@ -438,9 +438,52 @@
 
     assert MoreEqualAssay.fail?('a', 'b')
     refute MoreEqualAssay.fail?('b', 'a')
 
 
+## CloseAssay
+
+The `CloseAssay` class defines an assertion for matching that two values
+are within a relative difference.
+
+    assert CloseAssay.pass?(1, 1,   0)
+    assert CloseAssay.pass?(1, 1.1, 0.1)
+
+    refute CloseAssay.pass?(1, 2,   0)
+    refute CloseAssay.pass?(1, 1.2, 0.1)
+
+And conversely,
+
+    assert CloseAssay.fail?(1, 2,   0)
+    assert CloseAssay.fail?(1, 1.2, 0.1)
+
+    refute CloseAssay.fail?(1, 1,   0)
+    refute CloseAssay.fail?(1, 1.1, 0.1)
+
+The object do not have to be numbers necessaity, just so long as they
+are comparable and subtractable.
+
+    time = Time.now
+
+    assert CloseAssay.pass?(time, time+1, 2)
+
+Making assertions,
+
+    assert CloseAssay.assert!(10, 11, 1)
+
+    expect ::CloseAssay do
+      CloseAssay.assert!(10, 15, 0.25)
+    end
+
+And refutations,
+
+    assert CloseAssay.refute!(10, 11, 0.01)
+
+    expect ::CloseAssay do
+      CloseAssay.refute!(10, 11, 1)
+    end
+
+
 ## WithinAssay
 
 The `WithinAssay` class defines an assertion for matching that two values
 lie with a range.