In this video: Changing label text conditionally.
Making widgets for the add source tab.
Changing the width of a Toykinter Combobox and its dropdown list.
Using Tkinter's `sticky()` method to stretch an Entry widget into its available space.
Creating Treebard's Assertions & Sources Dialog 203
Rumble
In this video: Getting longer lines in the assertions table to wrap to a new line. Analyzing some troublesome code that had been..
