Thanks for the quick fix! If my bash one-liner is right there are another 12: grep -L :prologue `fgrep -Rl --include=\*.el '(defun org-babel-expand-body:' ~/.config/emacs/elpa/org-9.6.9/` | xargs -n 1 basename ob-C.el ob-awk.el ob-lilypond.el ob-sqlite.el ob-java.el ob-org.el ob-calc.el ob-latex.el ob-dot.el ob-fortran.el ob-emacs-lisp.el ob-lisp.el ob-clojure.el On Thu, Oct 19, 2023 at 2:04 AM Ihor Radchenko wrote: > Jeff Trull writes: > > > The manual page "Environment of a Code Block" describes :prologue and > > :epilogue header arguments, which are useful for applications like unit > > tests and boilerplate code. No suggestion is made that these arguments > > are only available for some languages. > > If they are not available, it is a bug. > > > In fact, any language that provides its own org-babel-expand-body needs > > special code to handle these arguments - and emacs-lisp lacks it. > > Fixed, on main. > https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=936290fe1 > > -- > Ihor Radchenko // yantar92, > Org mode contributor, > Learn more about Org mode at . > Support Org development at , > or support my work at >