Allow not specifying Text options in theme
@@ -781,6 +781,7 @@ class Workbench(tk.Tk):
self.option_add("*Listbox." + setting, value)
text_opts = self._style.configure("Text")
+ if text_opts:
for key in text_opts:
self.option_add("*Text." + key, text_opts[key])
