Your bug report

#78749: 30.1; M-| (`shell-command-on-region') does not respect `display-buffer-alist'

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 78749@debbugs.gnu.org.

-- 
78749: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78749
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