Aloha all, I pulled from master this morning, refreshed Org mode, and got this error message in *Messages*:
Loading /Users/dk/.emacs.d/src/org-mode/contrib/lisp/ox-koma-letter.el (source)... org-export-register-backend: Cannot use unknown "latex" back-end as a parent All the best, Tom -- Thomas S. Dye http://www.tsdye.com