This preference is for debugging ChatZilla and can generate a lot of debug output (usually to the console). It is a list of letters, signifying what you want debug messages about. "c" for context menus (dumps data when opening a context menu), "d" for dispatch (dumps data when dispatching commands), and "t" for trace/hook (dumps data about hooks and the event queue processing) debugging.
This preference is for debugging ChatZilla and can generate a lot of debug output (usually to the console). It is a list of letters, signifying what you want debug messages about. "c" for context menus (dumps data when opening a context menu), "d" for dispatch (dumps data when dispatching commands), and "t" for trace/hook (dumps data about hooks and the event queue processing) debugging.