Construct this by initializing the error message list to an empty list,
initializing the anyerrors flag to false, and initializing local copies
of the error message text for each of the possible errors from
Rolodex::Add.
Construct this by initializing the error message list to an empty list,
initializing the anyerrors flag to false, and initializing local copies
of the error message text for each of the possible errors from
Rolodex.Change.
Class WindowsMenu is a pure view class with toggle items for showing or
hiding the three alternate rolodex views available in the multi-view rolodex
UI.