Re: diff-mode

[Andrea Crotti <andrea.crotti.0@gmail.com>]

"Drew Adams" <drew.adams@oracle.com> writes:

>> Anyway the error I get when in my configuration I try to kill 
>> the ediff session is
>> 
>> --8<---------------cut here---------------start------------->8---
>> Quit this Ediff session & show containing session group? (y or n) 
>> ediff-cleanup-mess: Attempt to delete minibuffer or sole 
>> ordinary window
>> --8<---------------cut here---------------end--------------->8---
>
> Great.  Now you can report a bug: `M-x report-emacs-bug'.  
>
> First: Load library `ediff-util.el' (the library where `ediff-cleanup-mess' is
> defined.  Be sure to include the ".el" here, so you don't just load the
> byte-compiled file.
>
> Second: `M-x set-variable RET debug-on-error RET t RET', to show a backtrace
> when the error is raised.  Include the backtrace in your bug report.
>
>
> _If_ you want to dig further to help find the problem, you can try to follow
> function `ediff-cleanup-mess' in the debugger:
>
> M-x debug-on-entry RET ediff-cleanup-mess RET
>
> When you try to quit `ediff', the debugger will open when `ediff-cleanup-mess'
> is invoked.  Use `d' to step through the debugger (or `c' to skip through a
> step).  You can add any info you learn this way to your bug report.  (You can
> use command `cancel-debug-on-entry' to cancel `debug-on-entry'.)
>
> Essentially, the problem here is that there is only one window in the Ediff
> control frame, and Emacs tries to delete that lone window, which is a no-no.
> What Emacs should be doing here (probably) is to delete the frame.  Instead, it
> thinks you want to keep the frame and it complains that it cannot delete the
> last window in the frame.  IMO, this is a bug.

Ok thanks a lot I'll do it.
BUT I only experience this with my configuratio as I said.
If I do Emacs -Q I don't have this problem, so I'm not 100% sure that I
should send a bug report until I didn't find the source...