org-element: Rename `org-export-set-element' into `org-element-set-element'

* contrib/lisp/org-element.el (org-element-set-element): New function.
* contrib/lisp/org-export.el (org-export-set-element): Removed function.
* testing/lisp/test-org-element.el: Add test.
* testing/lisp/test-org-export.el: Remove test.

contrib/lisp/org-element.el

@@ -2989,8 +2989,10 @@ CONTENTS is nil."
 ;; `org-element-contents' and `org-element-restriction'.
 ;;
 ;; Setter functions allow to modify elements by side effect.  There is
-;;`org-element-put-property', `org-element-set-contents' and
+;; `org-element-put-property', `org-element-set-contents',
-;;`org-element-adopt-contents'.
+;; `org-element-set-element' and `org-element-adopt-element'.  Note
+;; that `org-element-set-element' and `org-element-adopt-element' are
+;; higher level functions since also update `:parent' property.
 
 (defun org-element-type (element)
   "Return type of ELEMENT.
@@ -3030,6 +3032,21 @@ Return modified element."
 Return modified element."
   (setcdr (cdr element) contents))
 
+(defsubst org-element-set-element (old new)
+  "Replace element or object OLD with element or object NEW.
+The function takes care of setting `:parent' property for NEW."
+  ;; OLD can belong to the contents of PARENT or to its secondary
+  ;; string.
+  (let* ((parent (org-element-property :parent old))
+	 (sec-loc (cdr (assq (org-element-type parent)
+			     org-element-secondary-value-alist)))
+	 (sec-value (and sec-loc (org-element-property sec-loc parent)))
+	 (place (or (member old sec-value) (member old parent))))
+    ;; Make sure NEW has correct `:parent' property.
+    (org-element-put-property new :parent parent)
+    ;; Replace OLD with NEW in PARENT.
+    (setcar place new)))
+
 (defsubst org-element-adopt-element (parent child &optional append)
   "Add an element to the contents of another element.
 

contrib/lisp/org-export.el

@@ -2245,10 +2245,6 @@ channel, as a plist.  It must return a string or nil.")
 ;; Internal function `org-export-filter-apply-functions' takes care
 ;; about applying each filter in order to a given data.  It stops
 ;; whenever a filter returns a nil value.
-;;
-;; User-oriented function `org-export-set-element' replaces one
-;; element or object in the parse tree with another one.  It is meant
-;; to be used as a tool for parse tree filters.
 
 (defun org-export-filter-apply-functions (filters value info)
   "Call every function in FILTERS.
@@ -2288,22 +2284,6 @@ Return the updated communication channel."
     ;; Return new communication channel.
     (org-combine-plists info plist)))
 
-(defun org-export-set-element (old new)
-  "Replace element or object OLD with element or object NEW.
-The function takes care of setting `:parent' property for NEW."
-  ;; OLD can belong to the contents of PARENT or to its secondary
-  ;; string.
-  (let* ((parent (org-element-property :parent old))
-	 (sec-loc (cdr (assq (org-element-type parent)
-			     org-element-secondary-value-alist)))
-	 (sec-value (and sec-loc (org-element-property sec-loc parent)))
-	 (place (or (member old sec-value) (member old parent))))
-    ;; Ensure NEW has correct parent.  Then replace OLD with NEW.
-    (let ((props (nth 1 new)))
-      (if props (plist-put props :parent parent)
-	(setcar (cdr new) `(:parent ,parent))))
-    (setcar place new)))
-
 
 
 ;;; Core functions

testing/lisp/test-org-element.el

@@ -106,6 +106,22 @@ Some other text
      (org-element-set-contents (org-element-map tree 'bold 'identity nil t))
      (org-element-contents (org-element-map tree 'bold 'identity nil t)))))
 
+(ert-deftest test-org-element/set-element ()
+  "Test `org-element-set-element' specifications."
+  (org-test-with-parsed-data "* Headline\n*a*"
+    (org-element-set-element
+     (org-element-map tree 'bold 'identity nil t)
+     '(italic nil "b"))
+    ;; Check if object is correctly replaced.
+    (should (org-element-map tree 'italic 'identity))
+    (should-not (org-element-map tree 'bold 'identity))
+    ;; Check if new object's parent is correctly set.
+    (should
+     (equal
+      (org-element-property :parent
+			    (org-element-map tree 'italic 'identity nil t))
+      (org-element-map tree 'paragraph 'identity nil t)))))
+
 (ert-deftest test-org-element/adopt-element ()
   "Test `org-element-adopt-element' specifications."
   ;; Adopt an element.

testing/lisp/test-org-export.el

@@ -392,22 +392,6 @@ body\n")))
 		    (delete-region (point) (progn (forward-line) (point)))))))))
 	(should (equal (org-export-as 'test) "Body 1\nBody 2\n"))))))
 
-(ert-deftest test-org-export/set-element ()
-  "Test `org-export-set-element' specifications."
-  (org-test-with-parsed-data "* Headline\n*a*"
-    (org-export-set-element
-     (org-element-map tree 'bold 'identity nil t)
-     '(italic nil "b"))
-    ;; Check if object is correctly replaced.
-    (should (org-element-map tree 'italic 'identity))
-    (should-not (org-element-map tree 'bold 'identity))
-    ;; Check if new object's parent is correctly set.
-    (should
-     (equal
-      (org-element-property :parent
-			    (org-element-map tree 'italic 'identity nil t))
-      (org-element-map tree 'paragraph 'identity nil t)))))
-
 
 
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