Function: org-lint-unknown-options-item

org-lint-unknown-options-item is a byte-compiled function defined in org-lint.el.gz.

Signature

(org-lint-unknown-options-item AST)

Source Code

;; Defined in /usr/src/emacs/lisp/org/org-lint.el.gz
(defun org-lint-unknown-options-item (ast)
  (let ((allowed (delq nil
		       (append
			(mapcar (lambda (o) (nth 2 o)) org-export-options-alist)
			(cl-mapcan
			 (lambda (b)
			   (mapcar (lambda (o) (nth 2 o))
				   (org-export-backend-options b)))
			 org-export-registered-backends))))
	reports)
    (org-element-map ast 'keyword
      (lambda (k)
	(when (string= (org-element-property :key k) "OPTIONS")
	  (let ((value (org-element-property :value k))
		(start 0))
	    (while (string-match "\\(.+?\\):\\((.*?)\\|\\S-+\\)?[ \t]*"
				 value
				 start)
	      (setf start (match-end 0))
	      (let ((item (match-string 1 value)))
		(unless (member item allowed)
		  (push (list (org-element-post-affiliated k)
			      (format "Unknown OPTIONS item \"%s\"" item))
			reports))
                (unless (match-string 2 value)
                  (push (list (org-element-post-affiliated k)
                              (format "Missing value for option item %S" item))
                        reports))))))))
    reports))