With yesterday's org-mode: if I export (C-c C-o O O) this line of text, it fails because of the % character:
See [[file:/][the m%n syntax]]. Debugger entered--Lisp error: (error "Not enough arguments for format string") format(#("[[%s][the m%n syntax]]" 6 20 (:parent (link (:type "file" :path "/" :format bracket :raw-link "file:/" :application nil :search-option nil :begin 5 :end 31 :contents-begin 15 :contents-end 29 :post-blank 0 :parent (paragraph (:begin 1 :end 33 :contents-begin 1 :contents-end 33 :post-blank 0 :post-affiliated 1 :parent (section (:begin 1 :end 33 :contents-begin 1 :contents-end 33 :post-blank 0 :post-affiliated 1 :parent ...) #4)) #("See " 0 4 (:parent #4)) #2 #(".\n" 0 2 (:parent #4)))) #("the m%n syntax" 0 14 (:parent #2))))) "file:/") org-element-link-interpreter((link (:type "file" :path "/" :format bracket :raw-link "file:/" :application nil :search-option nil :begin 5 :end 31 :contents-begin 15 :contents-end 29 :post-blank 0 :parent (paragraph (:begin 1 :end 33 :contents-begin 1 :contents-end 33 :post-blank 0 :post-affiliated 1 :parent (section (:begin 1 :end 33 :contents-begin 1 :contents-end 33 :post-blank 0 :post-affiliated 1 :parent (org-data nil #4)) #2)) #("See " 0 4 (:parent #2)) #0 #(".\n" 0 2 (:parent #2)))) #("the m%n syntax" 0 14 (:parent #0))) #("the m%n syntax" 0 14 (:parent (link (:type "file" :path "/" :format bracket :raw-link "file:/" :application nil :search-option nil :begin 5 :end 31 :contents-begin 15 :contents-end 29 :post-blank 0 :parent (paragraph (:begin 1 :end 33 :contents-begin 1 :contents-end 33 :post-blank 0 :post-affiliated 1 :parent (section (:begin 1 :end 33 :contents-begin 1 :contents-end 33 :post-blank 0 :post-affiliated 1 :parent ...) #4)) #("See " 0 4 (:parent #4)) #2 #(".\ n" 0 2 (:parent #4)))) #("the m%n syntax" 0 14 (:parent #2)))))) org-org-link(…) org-export-data(…) Greetings, Daniel