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[Bug] org-version returns empty string when called uninteractively [9.4]


From: Jean-Léon HENRY
Subject: [Bug] org-version returns empty string when called uninteractively [9.4]
Date: Tue, 26 Jan 2021 11:01:40 +0000

Hi,

I just upgraded org to 9.4.4 and org-version is returning an empty string when called unineractively. More precisely

I started emacs with : emacs -Q -l minimal-org.el
Contents of minimal-org.el :

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Minimal setup to load latest `org-mode'.

;; Activate debugging.
(setq debug-on-error t
      debug-on-signal nil
      debug-on-quit nil)

;; Add latest Org mode to load path.
(add-to-list 'load-path (expand-file-name "/home/me/.emacs.d/elpa/org-9.4.4/"))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

Then did :
M-x org-version

Result :
"Org mode version  ( @ /home/me/.emacs.d/elpa/org-9.4.4/)"

But when evaluated non-interactively :
(org-version)

Results :
""

In my regular set-up, this breaks version checks used in other packages : (version< (org-version) "9.0") for example is called. This gives you the following backtrace :
Debugger entered--Lisp error: (error "Invalid version syntax: ‘’ (must start with a number)")
  signal(error ("Invalid version syntax: ‘’ (must start with a number)"))
  error("Invalid version syntax: `%s' (must start with a number)" "")
  version-to-list("")
  version<("" "9.0")
[...]

Thanks for your help

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