Allow the user to submit a selector fragment; search for that among preference names; put up a list of qualifying preferences; if the user selects one of those, redirect the preferences panel to reveal the chosen preference
aMenu is being constructed to be presented to the user in response to the user's pressing on the menu widget in the title bar of a morphic SystemWindow. Here, the model is given the opportunity to add any model-specific items to the menu, whose default target is the SystemWindow itself.
Somewhere, the preference represented by aSymbol got changed from being one that is truly global to one that varies by project, or vice-versa. Get my panel right -- this involves changing the emphasis on the item