/**
* Example to declare existing titles:
- * Title.exist.set(['User:John_Doe', ...]);
+ * Title.exist.set( ['User:John_Doe', ...] );
* Eample to declare titles nonexistent:
- * Title.exist.set(['File:Foo_bar.jpg', ...], false);
+ * Title.exist.set( ['File:Foo_bar.jpg', ...], false );
*
* @static
* @property exist.set