<https://www.autoitscript.com/forum/topic/1052-can-autoit-randomly-select-a-letter/#comment-6566>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.autoitscript.com/forum/topic/1052-can-autoit-randomly-select-a-letter/?tab=comments#comment-6652>