Your bug report

#8789: 23.3; debug backtrace buffer changes window on step-through

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 8789@debbugs.gnu.org.

-- 
8789: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8789
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