Sometimes when I implement a new feature for an #emacs package I discover an upstream bug on the way. Not unusual for lesser trodden code paths and features. This time while working on the Jinx spell checker, a bug about file local variables in the property line: https://yhetil.org/emacs-bugs/87ecglj15s.fsf@daniel-mendler.de/T/#t Emacs is the most convenient software to report bugs and I can only recommend to take advantage of this functionality! Of the 160 bugs I've reported so far, only 45 are still open. https://debbugs.gnu.org/cgi/pkgreport.cgi?submitter=mail%40daniel-mendler.de;archive=both