Ignore the patches in that last email, (but please do address some of
the concerns I had about the number of `:any` outputs).

Anyway, I finally did it - I got it to work. Every single patch now
pasts tests.

Please review these patches and *not the patches in the last email*.
(Apologies for the frequency of my emails today)

Best,
Mehmet
From 020992b46b5a7c2ae18c677afb5c29c00de58059 Mon Sep 17 00:00:00 2001
From: Mehmet Tekman <mtekma...@gmail.com>
Date: Tue, 1 Aug 2023 05:14:46 +0200
Subject: [PATCH 1/3] * testing/lisp/test-ob.el: New tests for merge-params

(test-ob/get-src-block-property):
(test-ob/merge-params): add new tests for the merge-params source
block header handling function.
(test-ob/merge-params-tangle): add new tests for tangle specific
headers.
---
 testing/lisp/test-ob.el | 146 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)

diff --git a/testing/lisp/test-ob.el b/testing/lisp/test-ob.el
index c8dbd44f4..460afbf9b 100644
--- a/testing/lisp/test-ob.el
+++ b/testing/lisp/test-ob.el
@@ -314,6 +314,152 @@ this is simple"
     (org-babel-next-src-block)
     (should (= 14 (org-babel-execute-src-block)))))
 
+(defun test-ob/get-src-block-property (properties)
+  "Get plist of PROPERTIES and values for the first src block in buffer.
+PROPERTIES is a list of property keywords or a single keyword."
+  (org-with-wide-buffer
+   (goto-char (point-min))
+   (org-babel-next-src-block)
+   (org-set-regexps-and-options)
+   (let ((all-props (nth 2 (org-babel-get-src-block-info))))
+     (if (listp properties)
+         (apply #'nconc (mapcar (lambda (p) (list p (cdr (assoc p all-props)))) properties))
+       (list properties (cdr (assoc properties all-props)))))))
+
+(ert-deftest test-ob/merge-params()
+  "Test the output of merging multiple header parameters."
+  (should
+   (equal '(:file-mode "#o755")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :file-mode #o755
+* One
+#+begin_src conf
+#+end_src"
+            (test-ob/get-src-block-property :file-mode))))
+  (should
+   (equal '(:file-mode "anything" :exports "both")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :file-mode #o755 :exports both
+* One
+#+begin_src conf :file-mode anything
+#+end_src"
+            (test-ob/get-src-block-property '(:file-mode :exports)))))
+  (should
+   (equal '(:mkdirp "no" :dir nil :padline "yes")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :dir /tmp/ :padline no
+* One
+:PROPERTIES:
+:header-args: :mkdirp no
+:END:
+#+begin_src conf :padline yes
+#+end_src"
+            (test-ob/get-src-block-property '(:mkdirp :dir :padline)))))
+  (should
+   (equal '(:results "value code replace file" :file "file")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :results file :file file
+* One
+#+begin_src conf :results code value
+#+end_src"
+            (test-ob/get-src-block-property '(:results :file)))))
+  (should
+   (equal '(:results "value html silent")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :results file
+* One
+:PROPERTIES:
+:header-args: :results html silent
+:END:
+#+begin_src conf :results value
+#+end_src"
+            (test-ob/get-src-block-property :results)))))
+
+(ert-deftest test-ob/merge-params-tangle()
+  "Test the output of merging multiple header parameters."
+  (should
+   (equal '(:tangle "/tmp/default_tangle.txt")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* One
+#+begin_src conf
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should ;; 2. inherit-document-header-with-local-sync-action
+   (equal '(:tangle "skip")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Two
+#+begin_src conf :tangle skip
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should
+   (equal '(:tangle "randomfile")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Three
+#+begin_src conf :tangle randomfile
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should
+   (equal '(:tangle "newfile.txt")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Four
+:PROPERTIES:
+:header-args: :tangle \"newfile.txt\"
+:END:
+** A
+#+begin_src conf
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should
+   (equal '(:tangle "./headfile.txt")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle ./headfile.txt
+* Five
+:PROPERTIES:
+:header-args: :tangle ./headfile.txt
+:END:
+** A
+#+begin_src conf
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should
+   (equal '(:tangle "yes")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Eleven
+:PROPERTIES:
+:header-args: :tangle \"foo.txt\"
+:END:
+#+begin_src conf :tangle yes
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should
+   (equal '(:tangle "file with spaces.txt")
+          (org-test-with-temp-text
+              "\
+* Twelve
+:PROPERTIES:
+:header-args: :tangle \"foo.txt\"
+:END:
+** A
+#+begin_src conf :tangle \"file with spaces.txt\"
+#+end_src"
+            (test-ob/get-src-block-property :tangle)))))
+
 (ert-deftest test-ob/inline-src-blocks ()
   (should
    (= 1
-- 
2.41.0

From 033c5ef74f54c1a83a9f3de2590700d852b9a344 Mon Sep 17 00:00:00 2001
From: Mehmet Tekman <mtekma...@gmail.com>
Date: Fri, 4 Aug 2023 18:17:34 +0200
Subject: [PATCH 3/3] * lisp/ob-core.el:

(org-babel-common-header-args-w-values): Added mutually exclusive
tangle groups relating to desired tangle sync actions

* testing/lisp/test-ob.el:

(test-ob/merge-params-tangle): Updated test function to take into
account the new headers
---
 lisp/ob-core.el         |   3 +-
 testing/lisp/test-ob.el | 133 +++++++++++++++++++++++++++++++++++++---
 2 files changed, 127 insertions(+), 9 deletions(-)

diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index cd6c6708c..f09540f18 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -441,7 +441,8 @@ then run `org-babel-switch-to-session'."
     (sep	. :any)
     (session	. :any)
     (shebang	. :any)
-    (tangle	. ((tangle yes no :any)))
+    (tangle	. ((tangle yes no :any)
+		   (import export skip sync)))
     (tangle-mode . ((#o755 #o555 #o444 :any)))
     (var	. :any)
     (wrap       . :any))
diff --git a/testing/lisp/test-ob.el b/testing/lisp/test-ob.el
index 48cb60e10..60f385663 100644
--- a/testing/lisp/test-ob.el
+++ b/testing/lisp/test-ob.el
@@ -382,7 +382,7 @@ PROPERTIES is a list of property keywords or a single keyword."
 
 (ert-deftest test-ob/merge-params-tangle()
   "Test the output of merging multiple header parameters."
-  (should
+  (should ;; 1. inherit-document-header-args
    (equal '(:tangle "/tmp/default_tangle.txt")
           (org-test-with-temp-text
               "\
@@ -391,8 +391,8 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+begin_src conf
 #+end_src"
             (test-ob/get-src-block-property :tangle))))
-  (should ;; 2. inherit-document-header-with-local-sync-action
-   (equal '(:tangle "skip")
+  (should ;; 2. inherit-document-header
+   (equal '(:tangle "/tmp/default_tangle.txt skip")
           (org-test-with-temp-text
               "\
 #+PROPERTY: header-args :tangle /tmp/default_tangle.txt
@@ -400,7 +400,7 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+begin_src conf :tangle skip
 #+end_src"
             (test-ob/get-src-block-property :tangle))))
-  (should
+  (should ;; 3. override-document-header-with-local-tfile
    (equal '(:tangle "randomfile")
           (org-test-with-temp-text
               "\
@@ -409,7 +409,16 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+begin_src conf :tangle randomfile
 #+end_src"
             (test-ob/get-src-block-property :tangle))))
-  (should
+  (should ;; 3b. override-document-header-with-local-tfile-sync
+   (equal '(:tangle "randomfile sync")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* ThreeA
+#+begin_src conf :tangle randomfile sync
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should  ;; 4. override-document-and-parent-header-with-local-tfile
    (equal '(:tangle "newfile.txt")
           (org-test-with-temp-text
               "\
@@ -422,7 +431,20 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+begin_src conf
 #+end_src"
             (test-ob/get-src-block-property :tangle))))
-  (should
+  (should  ;; 4a. override-document-and-parent-header-with-local-tfile-action
+   (equal '(:tangle "randomfile sync")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Four
+:PROPERTIES:
+:header-args: :tangle \"newfile.txt\" import
+:END:
+** A
+#+begin_src conf :tangle randomfile sync
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should ;; 5. tangle-file-name-duplicate
    (equal '(:tangle "./headfile.txt")
           (org-test-with-temp-text
               "\
@@ -435,7 +457,63 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+begin_src conf
 #+end_src"
             (test-ob/get-src-block-property :tangle))))
-  (should
+  (should ;; 5a. test-tangle-and-default-results-param-together
+   (equal '(:tangle "randomfile" :results "replace")
+          (org-test-with-temp-text
+              "\
+* FiveA
+#+begin_src conf  :tangle randomfile
+#+end_src"
+            (test-ob/get-src-block-property '(:tangle :results)))))
+  (should  ;; 6. inherit-document-tfile-take-only-last-local-sync-action
+   (equal '(:tangle "/tmp/default_tangle.txt export")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Six
+#+begin_src conf  :tangle import export
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should  ;; 7. ignore-document-header-take-last-tfile-and-sync-action
+   ;; This should pass with newer merge function with multiple tangle parameters
+   (equal '(:tangle "fname2 export")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Seven
+#+begin_src conf  :tangle fname1 fname2 sync export
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should  ;; 8. test-results-and-exports
+   (equal '(:results "wrap file replace" :exports "code")
+          (org-test-with-temp-text
+              "\
+* Eight
+#+begin_src sh :results file wrap
+#+end_src"
+            (test-ob/get-src-block-property '(:results :exports)))))
+  (should  ;; 9. do-not-tangle-this-block --
+   (equal '(:tangle "no")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Nine
+#+begin_src conf :tangle no
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should  ;; 10. test-tangle-exports-and-comments
+   (equal '(:tangle "foo.txt" :exports "verbatim code" :comments "link")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Ten
+:PROPERTIES:
+:header-args: :tangle no :exports verbatim
+:END:
+#+begin_src conf :tangle \"foo.txt\" :comments link
+#+end_src"
+            (test-ob/get-src-block-property '(:tangle :exports :comments)))))
+  (should  ;; 11. override-document-and-heading-tfile-with-yes
    (equal '(:tangle "yes")
           (org-test-with-temp-text
               "\
@@ -447,7 +525,7 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+begin_src conf :tangle yes
 #+end_src"
             (test-ob/get-src-block-property :tangle))))
-  (should
+  (should ;; 12. simple-file-with-space
    (equal '(:tangle "file with spaces.txt")
           (org-test-with-temp-text
               "\
@@ -457,9 +535,48 @@ PROPERTIES is a list of property keywords or a single keyword."
 :END:
 ** A
 #+begin_src conf :tangle \"file with spaces.txt\"
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should ;; 12a. simple-file-with-spaces-action
+   (equal '(:tangle "file with spaces.txt import")
+          (org-test-with-temp-text "\
+#+PROPERTY: header-args :tangle \"file with spaces.txt\" sync
+* TwelveA
+#+begin_src conf :tangle import
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should  ;; 13. hierarchical-tangle-file-with-spaces
+   (equal '(:tangle "file with spaces.txt")
+          (org-test-with-temp-text
+              "\
+* Thirteen
+:PROPERTIES:
+:header-args: :tangle \"foo.txt\"
+:END:
+** A
+#+begin_src conf :tangle \"file with spaces.txt\"
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should ;; 14. do-not-tangle
+   (equal '(:tangle "no")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
+* Fourteen
+#+begin_src emacs-lisp :tangle no
+#+end_src"
+            (test-ob/get-src-block-property :tangle))))
+  (should ;; 15. headers-dont-cancel-out
+   (equal '(:tangle "relative.el")
+          (org-test-with-temp-text
+              "\
+#+PROPERTY: header-args :tangle relative.el
+* Fifteen
+#+begin_src emacs-lisp :tangle relative.el
 #+end_src"
             (test-ob/get-src-block-property :tangle)))))
 
+
 (ert-deftest test-ob/inline-src-blocks ()
   (should
    (= 1
-- 
2.41.0

From 1866c082547f75f38e221117e4eff2f0124d69f7 Mon Sep 17 00:00:00 2001
From: Mehmet Tekman <mtekma...@gmail.com>
Date: Wed, 10 May 2023 17:38:22 +0200
Subject: [PATCH 2/3] * lisp/ob-core.el: Rewrite of merge babel headers

(org-babel-merge-params): merge headers strategy split out into new
dedicated function `--merge-headers'
(org-babel--merge-headers): new function that resolves headers based
on their mutually exclusive groups, with better support for groups
with `:any' keywords.

* lisp/test-ob.el (test-ob/merge-params): Very minor test value update
due to rewrite
---
 lisp/ob-core.el         | 154 +++++++++++++++++++++++++++++++---------
 testing/lisp/test-ob.el |   4 +-
 2 files changed, 123 insertions(+), 35 deletions(-)

diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index fb9df80c3..cd6c6708c 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -2843,6 +2843,88 @@ specified as an an \"attachment:\" style link."
       (goto-char body-start)
       (insert body))))
 
+(defun org-babel--merge-headers (exclusive-groups &rest related-params)
+  "Merge related cascading header parameters whilst upholding group exclusivity.
+
+A given header parameter (prop) can have multiple values
+depending on where it is referenced in the outline path (olp) of
+an Org document.  The RELATED-PARAMS argument is a list that
+contains the value of the prop at the current level of the olp,
+as well the resolution of the last time this function was called
+for the prop.  The EXCLUSIVE-GROUPS argument contains the related
+prop entry from `org-babel-common-header-args-w-values' and
+dictates the valid values a prop can take. If the prop can have
+more than one value, it defines consistent mutually exclusive
+keywords that the prop can take."
+    ;;
+    ;; Having an :any keyword in an exclusion group means that a
+    ;; parameter of "yes" could match to an exclusion group that
+    ;; contains both "yes" AND ":any".
+    ;;
+    ;; For each parameter, build a list of exclusion groups it could
+    ;; belong to. If a parameter belongs to two groups, eliminate it
+    ;; from the group that contains the ":any" keyword.
+    ;;
+  ;; Exclusion groups are referenced to by their car, acting as a key
+  ;; for the entire group.
+    ;;
+    (let ((any-group-key       ;; exclusion group key for group with :any keyword
+         ;; Ihor: cl-find is suggested here, but not sure how to apply.
+           (caar (cl-remove-if-not (lambda (x) (member ":any" x)) exclusive-groups)))
+          params-alist         ;; param -> list( exclusion group keys )
+          unexplained-params)  ;; any params that were not caught
+      ;; Iterate parameters, across each exclusion group.
+      ;; - Populate params-alist
+      (dolist (new-params related-params)
+        (dolist (new-param new-params)
+          (dolist (exclusive-group exclusive-groups)
+            (if (or (member new-param exclusive-group)
+                    (and (string= (car exclusive-group) any-group-key)
+                         ;; param *doesn't* match a keyword in this
+                         ;; :any group? Could be :any.
+                         (not (member new-param exclusive-group))))
+                (let ((group-key (car exclusive-group)))
+                (push group-key (alist-get new-param params-alist nil nil #'equal)))
+              ;; Some parameters fit into no groups, store them and process later.
+              (push new-param unexplained-params)))))
+
+    (setq unexplained-params (delete-dups unexplained-params))
+      ;; Find parameters listed in 2 or more exclusive groups, and kick
+      ;; them out of any non-":any" group.
+      ;; - Update params-alist
+      ;; - Remove uniquely known params from unexplained-params
+      (dolist (parm-vals params-alist)
+        (let ((parm (car parm-vals))
+              (group-keys (delete-dups (cdr parm-vals))))
+          (if (member parm unexplained-params)
+              (setq unexplained-params (delete parm unexplained-params)))
+          (if (> (length group-keys) 1)
+              (dolist (gkey group-keys)
+                (if (string= gkey any-group-key)
+                    (setcdr (assoc parm params-alist) (delete gkey group-keys)))))))
+      ;; Collapse parameters into exclusion groups
+      ;; - convert params → list(exclusion group keys) to  exclusion-group-key → list(params)
+      (let (group-alist)
+      (mapcar (lambda (x)
+                (let* ((key (cadr x))
+                       (val (car x))
+                       (existing (cdr (assoc key group-alist))))
+                  ;;(push val (alist-get key group-alist nil nil #'equal))
+                  (if existing
+                      (setcdr (assoc key group-alist) (append existing (list val)))
+                    (setq group-alist (cons (cons key (list val)) group-alist)))))
+              params-alist)
+        ;; Set values in the same order that the exclusion groups are defined
+        (let ((group-key-order (mapcar #'car exclusive-groups)))
+        (setq group-alist (delq nil (mapcar (lambda (x) (car (alist-get x group-alist)))
+                                                      group-key-order))))
+
+        ;; Final Sanity Check: were all parameters explained?
+        ;; - if not, append to result
+        (if unexplained-params
+            (setq group-alist (append unexplained-params group-alist)))
+      group-alist)))
+
 (defun org-babel-merge-params (&rest plists)
   "Combine all parameter association lists in PLISTS.
 Later elements of PLISTS override the values of previous elements.
@@ -2854,26 +2936,15 @@ parameters when merging lists."
 	 (exports-exclusive-groups
 	  (mapcar (lambda (group) (mapcar #'symbol-name group))
 		  (cdr (assq 'exports org-babel-common-header-args-w-values))))
-	 (merge
-	  (lambda (exclusive-groups &rest result-params)
-	    ;; Maintain exclusivity of mutually exclusive parameters,
-	    ;; as defined in EXCLUSIVE-GROUPS while merging lists in
-	    ;; RESULT-PARAMS.
-	    (let (output)
-	      (dolist (new-params result-params (delete-dups output))
-		(dolist (new-param new-params)
-		  (dolist (exclusive-group exclusive-groups)
-		    (when (member new-param exclusive-group)
-		      (setq output (cl-remove-if
-				    (lambda (o) (member o exclusive-group))
-				    output))))
-		  (push new-param output))))))
+         (tangle-exclusive-groups
+	  (mapcar (lambda (group) (mapcar #'symbol-name group))
+		  (cdr (assq 'tangle org-babel-common-header-args-w-values))))
 	 (variable-index 0)		;Handle positional arguments.
 	 clearnames
 	 params				;Final parameters list.
 	 ;; Some keywords accept multiple values.  We need to treat
 	 ;; them specially.
-	 vars results exports)
+	 vars results exports tangle)
     (dolist (plist plists)
       (dolist (pair plist)
 	(pcase pair
@@ -2908,22 +2979,33 @@ parameters when merging lists."
 	      (t (error "Variable \"%s\" must be assigned a default value"
 			(cdr pair))))))
 	  (`(:results . ,value)
-	   (setq results (funcall merge
-				  results-exclusive-groups
-				  results
-				  (split-string
-				   (cond ((stringp value) value)
-                                         ((functionp value) (funcall value))
+	   (setq results (org-babel--merge-headers
+			  results-exclusive-groups
+			  results
+			  (split-string
+			   (cond ((stringp value) value)
+                                 ((functionp value) (funcall value))
                                          ;; FIXME: Arbitrary code evaluation.
-                                         (t (eval value t)))))))
+                                 (t (eval value t)))))))
 	  (`(:exports . ,value)
-	   (setq exports (funcall merge
-				  exports-exclusive-groups
-				  exports
-                                  (split-string
-                                   (cond ((and value (functionp value)) (funcall value))
-                                         (value value)
-                                         (t ""))))))
+	   (setq exports (org-babel--merge-headers
+			  exports-exclusive-groups
+			  exports
+                          (split-string
+                           (cond ((and value (functionp value)) (funcall value))
+                                 (value value)
+                                 (t ""))))))
+          (`(:tangle . ,value)
+           (setq tangle (org-babel--merge-headers
+                         tangle-exclusive-groups
+                         tangle
+                         (mapcar #'org-babel-read
+                                 (org-babel-balanced-split
+                                  (or value "")
+                                  (if (eq (car (text-properties-at 0 value))
+                                          'org-babel-quote)
+                                      ?\"
+                                    ?\s))))))
           ((or '(:dir . attach) '(:dir . "'attach"))
            (unless (org-attach-dir nil t)
              (error "No attachment directory for element (add :ID: or :DIR: property)"))
@@ -2949,7 +3031,8 @@ parameters when merging lists."
 			      params)))))
     ;; Handle other special keywords, which accept multiple values.
     (setq params (nconc (list (cons :results (mapconcat #'identity results " "))
-			      (cons :exports (mapconcat #'identity exports " ")))
+			      (cons :exports (mapconcat #'identity exports " "))
+                              (cons :tangle (mapconcat #'substring-no-properties tangle " ")))
 			params))
     ;; Return merged params.
     (org-babel-eval-headers params)))
@@ -3246,9 +3329,14 @@ situations in which is it not appropriate."
          ;; FIXME: Arbitrary code evaluation.
 	 (eval (read cell) t))
 	((save-match-data
-           (and (string-match "^[[:space:]]*\"\\(.*\\)\"[[:space:]]*$" cell)
-                (not (string-match "[^\\]\"" (match-string 1 cell)))))
-         (read cell))
+           (and (string-match (rx bol (* space) "\"" (group (* any)) "\"" (* space) eol)
+                              cell)
+                (not (string-match (rx (not "\\") "\"") (match-string 1 cell)))))
+         (let ((res (read cell)))
+           ;; If the matched string contains quotes, add quote property
+           (if (string-match (rx bol "\"" (* any) "\"" eol) cell)
+               (put-text-property 0 (length res) 'org-babel-quote 't res))
+           res))
 	(t (org-no-properties cell))))
 
 (defun org-babel--string-to-number (string)
diff --git a/testing/lisp/test-ob.el b/testing/lisp/test-ob.el
index 460afbf9b..48cb60e10 100644
--- a/testing/lisp/test-ob.el
+++ b/testing/lisp/test-ob.el
@@ -359,7 +359,7 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+end_src"
             (test-ob/get-src-block-property '(:mkdirp :dir :padline)))))
   (should
-   (equal '(:results "value code replace file" :file "file")
+   (equal '(:results "file code replace value" :file "file")
           (org-test-with-temp-text
               "\
 #+PROPERTY: header-args :results file :file file
@@ -368,7 +368,7 @@ PROPERTIES is a list of property keywords or a single keyword."
 #+end_src"
             (test-ob/get-src-block-property '(:results :file)))))
   (should
-   (equal '(:results "value html silent")
+   (equal '(:results "html silent value")
           (org-test-with-temp-text
               "\
 #+PROPERTY: header-args :results file
-- 
2.41.0

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