Re: 23.0.50; error when M-x menu-bar-open

[martin rudalics]

> I get the following when attempting to open the menu-bar via the keyboard:
>
>
>>Debugger entered--Lisp error: (error "Attempt to delete minibuffer or sole 
ordinary window")
>>  enlarge-window(-52)
>>  fit-window-to-buffer(#<window 3 on *Completions*> nil)
>>  Electric-pop-up-window("*Completions*")

Can you still reproduce this?  If so, could you please debug
`fit-window-to-buffer' to find out how it sets `delta' to -52?