Giving an appimage application a nice icon for the dock and application switcher

Sun, Aug 5, 2018

https://askubuntu.com/questions/367396/what-represent-the-startupwmclass-field-of-a-desktop-file

I did this command and then clicked on the Workflowy window to get this useful, if unsurprising, result:

$ xprop WM_CLASS
WM_CLASS(STRING) = "workflowy", "WorkFlowy"