Well, I overestimated the required effort. This is done, apparently successfully.
Cheers, --Dave > Since I use eschulte's starter kit for my emacs initialization, it's not easy > to start > a fresh emacs and install org-mode from ELPA before calling any org-mode > functions. > > Presently I'm going to start emacs -Q and manually set up the package repos > and install org-mode. > > I'm vaguely concerned that it will get installed in the wrong directory or > something... Let's see. > > I know that the cause of this message is usually installing org-mode > > from elpa in a session that has already accessed org files: > > > > org-refresh-category-properties: Invalid function: > > org-with-silent-modifications > > I wonder if the problem is that my emacs initialization files are > > org-mode files, based of Eric Schulte's starter kit?