[elpa] externals-release/org d7f7b63a77: lisp/org.el (untrusted-content): Fix for Emacs <29.3

[ELPA Syncer]

branch: externals-release/org
commit d7f7b63a77ac7858c92fb856c0d7af877ef20f0f
Author: Ihor Radchenko <yantar92@posteo.net>
Commit: Ihor Radchenko <yantar92@posteo.net>

    lisp/org.el (untrusted-content): Fix for Emacs <29.3
    
    * lisp/org.el (untrusted-content): Define the variable ourselves when
    not defined by Emacs.
---
 lisp/org.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/org.el b/lisp/org.el
index d43d9d6875..a6d196ea58 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -1136,7 +1136,9 @@ the following lines anywhere in the buffer:
   :package-version '(Org . "8.0")
   :type 'boolean)
 
-(defvar untrusted-content) ; defined in files.el
+(unless (boundp 'untrusted-content)
+  (defvar untrusted-content nil))
+(defvar untrusted-content) ; defined in files.el since Emacs 29.3
 (defvar org--latex-preview-when-risky nil
   "If non-nil, enable LaTeX preview in Org buffers from unsafe source.