lib: "iff" changed to "if and only if"

jonsey247 · refack · commit afc59a9f50b8 · 2017-06-06T14:38:28.000-04:00
PR-URL: nodejs#13496 Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
diff --git a/lib/events.js b/lib/events.js
@@ -351,7 +351,7 @@ EventEmitter.prototype.prependOnceListener =
       return this;
     };
 
-// emits a 'removeListener' event iff the listener was removed
+// Emits a 'removeListener' event if and only if the listener was removed.
 EventEmitter.prototype.removeListener =
     function removeListener(type, listener) {
       var list, events, position, i, originalListener;
