martin rudalics writes: >> Conservatively I fix that by checking if 'switch-to-prev-buffer-skip' >> is a function. > > What is the intended meaning of > > + (when (and skipped (not functionp switch-to-prev-buffer-skip-p)) > > Did you mean > > + (when (and skipped (not (functionp switch-to-prev-buffer-skip))) > > here? Duh. Indeed.