Nicolas Goaziou writes: > There's an issue with the M-x org-version output, tho. Looks like, this issue breaks emacs-org-re-reveal: ... starting phase `build' Checking /gnu/store/k6b8jwnd4l82h7g2dmlh1fcy41ycd0ih-emacs-org-re-reveal-3.12.4/share/emacs/site-lisp/org-re-reveal-3.12.4/... Compiling /gnu/store/k6b8jwnd4l82h7g2dmlh1fcy41ycd0ih-emacs-org-re-reveal-3.12.4/share/emacs/site-lisp/org-re-reveal-3.12.4/org-re-reveal-autoloads.el... Compiling /gnu/store/k6b8jwnd4l82h7g2dmlh1fcy41ycd0ih-emacs-org-re-reveal-3.12.4/share/emacs/site-lisp/org-re-reveal-3.12.4/org-re-reveal.el... Compiling /gnu/store/k6b8jwnd4l82h7g2dmlh1fcy41ycd0ih-emacs-org-re-reveal-3.12.4/share/emacs/site-lisp/org-re-reveal-3.12.4/ox-re-reveal.el... Invalid version syntax: ‘N/A’ (must start with a number) command "/gnu/store/4w5rkbxb4l0q06bn07qjm5wps316s3sf-emacs-minimal-27.2/bin/emacs" "--quick" "--batch" "--eval=(eval '(progn (setq byte-compile-debug t) (byte-recompile-directory (file-name-as-directory \"/gnu/store/k6b8jwnd4l82h7g2dmlh1fcy41ycd0ih-emacs-org-re-reveal-3.12.4/share/emacs/site-lisp/org-re-reveal-3.12.4\") 0 1)) t)" failed with status 255 -- There are only three things certain in programmers life: taxes, death and parsing text.