<https://www.codeproject.com/Articles/7557/Exception-Handling-in-C-with-the-quot-Do-Not-Catch>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.codeproject.com/Articles/7557/Exception-Handling-in-C-with-the-quot-Do-Not-Catch>