Your bug report

#76317: Emacs 31.0.50 4b28c41c4f2b on feature/igc branch; :window-sides-vertical doesn't take effect

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 76317@debbugs.gnu.org.

-- 
76317: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=76317
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