Your bug report #78128: [PATCH] 31.0.50; csharp-mode compilation-mode incorrectly matches filenames when output contains leading spaces 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 78128@debbugs.gnu.org. -- 78128: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78128 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems