User database protocol ?command ambiguity

[Former user]

Copied from bug number 102 in old bug database.

cypherjf: Using the new TCP user-database protocol there is no way to distinguish between a command ?chat= and ?chat. The first implies clear all chats the user is assigned to, the former implies to list all chats the user is assigned to.

cypherjf: The "biller" could technically implement a ?dropchat to grant clients a way to remove all chats in-game.