This prevents false n-macro matches.. added \\b after "{{{n".

diff --git a/lisp/org-element.el b/lisp/org-element.el
index c60a56ead..2bee85ede 100644
--- a/lisp/org-element.el
+++ b/lisp/org-element.el
@@ -181,7 +181,9 @@ specially in `org-element--object-lex'.")
       (?\) ")") (?. "\\.") (_ "[.)]")))
       (alpha (and org-list-allow-alphabetical "\\|[A-Za-z]")))
   (concat "\\(?:[-+*]\\|\\(?:[0-9]+" alpha "\\)" term "\\)"
-  "\\(?:[ \t]\\|$\\)"))
+  "\\(?:[ \t]\\|$\\)")) "\\|"
+                ;; n Macro
+                "\\(?:{{{n\\b\\)" ;Don't allow auto-fill to put n macros
at BOL
  "\\)\\)")
  org-element--object-regexp
  (mapconcat #'identity

-- 

Kaushal Modi