In George W. Tokarsky's  [_Polygonal Rooms Not Illuminable from Every Point_][1] (1995) it is stated that the problem

>Is a polygonal region illuminable from at least one point in the region?

was still open at the time. What is its current state? Has it been settled or is it still open?

  [1]: http://doi.org/10.2307/2975263