Re: How to debug "Debugger entered--Lisp error: (void-function nil)"

[newsspam5REMOVETHIS]

newsspam5REMOVETHIS@robf.de writes:
[...]
> O.K. here is my current status on this, with Debian
>
>   emacs21/testing uptodate 21.4a+1-3
>   vm/testing uptodate 7.19-11
>
> An the ~/.emacs containing only this single line:
>
>   (setq debug-on-error t)
>
> When I run
>
>   emacs21 -f vm
>
> I get the backtrace
>
>   Debugger entered--Lisp error: (void-function nil)
>   (nil)
>
> I am really puzzled now ...
>
> I am running emacs under a different account than the X session
> and used .XAuthority to allow it to connect to my X session.
>
> When I run it as
>
>   emacs21 -nw -f vm
>
> the error does not occur.
>
> Gosh, I should have tried the Debian packages earlier ... thanks
> for tip.
>
> Still this is odd and I do not really understand it.

I just verified that it is not related to a .XAuthority / xhost
issue, i.e. it also happens if I run Emacs under the user running
the X session.

I will reboot now ;-/

Robert