With setting like this: ``` appref-ms;exe;lnk;url; ``` The Plugin.Program will index files with empty extension, which is a lot of them. I think the plugin should ignore empty string after `Split(";")` <img src="https://user-images.githubusercontent.com/10551242/124383871-e6f8d780-dcf8-11eb-814d-6a8efc88c3df.png" width="400">