- * "pass", "fail", "ok", "is", "isnt", "like", "unlike" and "cmp_ok"
- are all guaranteed to return the truth value of the test.
+ * "pass", "fail", "ok", "is", "isnt", "like", "unlike", "cmp_ok" and
+ "is_deeply" are all guaranteed to return the truth value of the
+ test.
+
+ * "isn't" (the sub "t" in package "isn") is not aliased to "isnt".