Update to Org 9.6.15

doc/misc/org.org

@@ -4606,7 +4606,7 @@ checked.
 #+cindex: statistics, for checkboxes
 #+cindex: checkbox statistics
 #+cindex: @samp{COOKIE_DATA}, property
-#+vindex: org-hierarchical-checkbox-statistics
+#+vindex: org-checkbox-hierarchical-statistics
 The =[2/4]= and =[1/3]= in the first and second line are cookies
 indicating how many checkboxes present in this entry have been checked
 off, and the total number of checkboxes present.  This can give you an
@@ -4614,7 +4614,7 @@ idea on how many checkboxes remain, even without opening a folded
 entry.  The cookies can be placed into a headline or into (the first
 line of) a plain list item.  Each cookie covers checkboxes of direct
 children structurally below the headline/item on which the cookie
-appears[fn:: Set the variable ~org-hierarchical-checkbox-statistics~
+appears[fn:: Set the variable ~org-checkbox-hierarchical-statistics~
 if you want such cookies to count all checkboxes below the cookie, not
 just those belonging to direct children.].  You have to insert the
 cookie yourself by typing either =[/]= or =[%]=.  With =[/]= you get

etc/refcards/orgcard.tex

@@ -1,5 +1,5 @@
 % Reference Card for Org Mode
-\def\orgversionnumber{9.6.13}
+\def\orgversionnumber{9.6.15}
 \def\versionyear{2023}          % latest update
 \input emacsver.tex
 

lisp/org/org-entities.el

@@ -41,14 +41,19 @@
 
 (defun org-entities--user-safe-p (v)
   "Non-nil if V is a safe value for `org-entities-user'."
-  (pcase v
-    (`nil t)
-    (`(,(and (pred stringp)
-	     (pred (string-match-p "\\`[a-zA-Z][a-zA-Z0-9]*\\'")))
-       ,(pred stringp) ,(pred booleanp) ,(pred stringp)
-       ,(pred stringp) ,(pred stringp) ,(pred stringp))
-     t)
-    (_ nil)))
+  (cond
+   ((not v) t)
+   ((listp v)
+    (seq-every-p
+     (lambda (e)
+       (pcase e
+         (`(,(and (pred stringp)
+	              (pred (string-match-p "\\`[a-zA-Z][a-zA-Z0-9]*\\'")))
+            ,(pred stringp) ,(pred booleanp) ,(pred stringp)
+            ,(pred stringp) ,(pred stringp) ,(pred stringp))
+          t)
+         (_ nil)))
+     v))))
 
 (defcustom org-entities-user nil
   "User-defined entities used in Org to produce special characters.

lisp/org/org-macs.el

@@ -56,8 +56,8 @@ by `package-activate-all').")
   ;; `org-assert-version' calls would fail using strict
   ;; `org-git-version' check because the generated Org version strings
   ;; will not match.
-  `(unless (or org--inhibit-version-check (equal (org-release) ,(org-release)))
-     (warn "Org version mismatch.  Org loading aborted.
+  `(unless (or ,org--inhibit-version-check (equal (org-release) ,(org-release)))
+     (warn "Org version mismatch.
 This warning usually appears when a built-in Org version is loaded
 prior to the more recent Org version.
 
@@ -91,10 +91,15 @@ Version mismatch is commonly encountered in the following situations:
    early in the config.  Ideally, right after the straight.el
    bootstrap.  Moving `use-package' :straight declaration may not be
    sufficient if the corresponding `use-package' statement is
-   deferring the loading."
+   deferring the loading.
+
+4. A new Org version is synchronized with Emacs git repository and
+   stale .elc files are still left from the previous build.
+
+   It is recommended to remove .elc files from lisp/org directory and
+   re-compile."
            ;; Avoid `warn' replacing "'" with "’" (see `format-message').
-           "(straight-use-package 'org)")
-     (error "Org version mismatch.  Make sure that correct `load-path' is set early in init.el")))
+           "(straight-use-package 'org)")))
 
 ;; We rely on org-macs when generating Org version.  Checking Org
 ;; version here will interfere with Org build process.

lisp/org/org-version.el

@@ -5,13 +5,13 @@
 (defun org-release ()
   "The release version of Org.
 Inserted by installing Org mode or when a release is made."
-   (let ((org-release "9.6.13"))
+   (let ((org-release "9.6.15"))
      org-release))
 ;;;###autoload
 (defun org-git-version ()
   "The Git version of Org mode.
 Inserted by installing Org or when a release is made."
-   (let ((org-git-version "release_9.6.13"))
+   (let ((org-git-version "release_9.6.15"))
      org-git-version))
 
 (provide 'org-version)

lisp/org/org.el

@@ -9,7 +9,7 @@
 ;; URL: https://orgmode.org
 ;; Package-Requires: ((emacs "26.1"))
 
-;; Version: 9.6.13
+;; Version: 9.6.15
 
 ;; This file is part of GNU Emacs.
 ;;

lisp/org/ox-md.el

@@ -305,7 +305,7 @@ INFO is a plist used as a communication channel."
          (section-title (org-html--translate "Footnotes" info)))
     (when fn-alist
       (format (plist-get info :md-footnotes-section)
-              (org-md--headline-title headline-style 1 section-title)
+              (org-md--headline-title headline-style (plist-get info :md-toplevel-hlevel) section-title)
               (mapconcat (lambda (fn) (org-md--footnote-formatted fn info))
                          fn-alist
                          "\n")))))