Hi Nicholas, To ensure that the Emacs-installed org-mode is not interfering, I added this to my init
(cl-delete-if (lambda (el) (string-match-p ".*org" el)) load-path) and I can confirm that emacs/org is not in my load-path. However, the backtrace still occurs. For a much larger file that causes additional problems with org-mode markdown export (e.g. problems with BEGIN_SRC blocks) is my book's manuscript: https://github.com/fommil/fp-scala-mortals/blob/master/manuscript/book.org I am able to successfully export this using the built-in org-mode. Although I'm using additional extensions of md as per https://github.com/fommil/dotfiles/blob/master/.emacs.d/lisp/ox-leanpub.el I'm restricting my experiments to stock org-md for now. Best regards, Sam On 19 August 2017 at 10:50, Nicolas Goaziou <m...@nicolasgoaziou.fr> wrote: > Hello, > > Sam Halliday <sam.halli...@gmail.com> writes: > >> Regression in org-plus-contrib from http://orgmode.org/elpa/ vs version >> distributed with Emacs 25.2.1 >> >> Running >> >> M-x md-org-export-to-markdown >> >> on a simple org file such as the following >> >> ================================================== >> >> #+TITLE: Functional Programming in Scala for Mortals >> >> /Functional Programming in Scala for Mortals/ is a book aimed at Scala >> developers with an Object Oriented background who wish to learn the >> *Functional Programming* paradigm. >> ================================================== >> >> Causes the following backtrace: >> >> Debugger entered--Lisp error: (wrong-type-argument listp #("Functional >> Programming in Scala for Mortals" 0 43 (:parent (#1)))) > > This usually mean that you have a mixed installation. You should check > that the Org shipped with Emacs is not used. > > Regards, > > -- > Nicolas Goaziou