Update Ring Website - Resources Section - Short Movies - IsNULL() Function - Ring Programming Language - Lesson 83
'<a href="https://www.youtube.com/watch?v=wTG7iUaBhUM&index=83&list=PLpQiqjcu7CuH063yQeQi0LQcbV4dynHgw" target="_blank">Type() Function - Ring Programming Language - Lesson 82 </a>'
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+ '<a href="https://www.youtube.com/watch?v=AvPnqtu3C2s&index=84&list=PLpQiqjcu7CuH063yQeQi0LQcbV4dynHgw" target="_blank">IsNULL() Function - Ring Programming Language - Lesson 83 </a>'
],
[
'<a href="" target="_blank"> </a>'
