bug#12908: 24.3.50; file `emacs_backtrace.txt'?

[Drew Adams]

> > Then put it under the Emacs installation directory.
> > The point is to get it away from user files.
> 
> Again, I just mimicked the behavior on Unix, as best as possible.
> Please read the manual to learn where this information is put on Unix.

No one is blaming you, and certainly not for making things consistent with what
is done on Unix.  You have pointed out that the bug (annoyance) exists on Unix
also.  Fine.  So let's correct it everywhere.