Terry J. Reedy added the comment:
The Xfce task switcher appears to be showing the tk widget '_class' option.
When tkinter create a tk widget, it by default sets the 'class' option to the
tkinter class name. This is 'Tk' and 'Toplevel' respectively for the visible
windows in the example co
E. Paine added the comment:
Thank you for reporting this issue. I wanted to start by pointing out a finer
detail: the XFCE program title on the task switcher (the thing you're reporting
and I don't have a clue how to describe) is not the same as the default window
title (the program title is