Variable: org-koma-letter-prefer-subject
org-koma-letter-prefer-subject is a customizable variable defined in
ox-koma-letter.el.gz.
Value
nil
Documentation
Non-nil means title should be interpreted as subject if subject is missing.
This option can also be set with the OPTIONS keyword, e.g. "title-subject:t".
Source Code
;; Defined in /usr/src/emacs/lisp/org/ox-koma-letter.el.gz
(defcustom org-koma-letter-prefer-subject nil
"Non-nil means title should be interpreted as subject if subject is missing.
This option can also be set with the OPTIONS keyword,
e.g. \"title-subject:t\"."
:type 'boolean)