Your bug report

#68081: 30.0.50; derived-mode and 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 68081@debbugs.gnu.org.

-- 
68081: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=68081
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