Remove deprecated syntax for Babel properties

* doc/org.texi (Header arguments in Org mode properties): Remove
  reference to deprecated syntax.
* lisp/ob-core.el (org-babel-params-from-properties): Ignore deprecated
  syntax.
* testing/examples/babel.org:
* testing/examples/normal.org:
* testing/examples/ob-header-arg-defaults.org:
* testing/examples/property-inheritance.org:
* testing/lisp/test-ob-header-arg-defaults.el
(test-ob-header-arg-defaults/global/noweb):
(test-ob-header-arg-defaults/global/call):
(test-ob-header-arg-defaults/tree/overwrite/call):
(test-ob-header-arg-defaults/tree/overwrite/noweb):
(test-ob-header-arg-defaults/tree/accumulate/call):
(test-ob-header-arg-defaults/tree/accumulate/noweb):
(test-ob-header-arg-defaults/tree/complex/call):
(test-ob-header-arg-defaults/tree/complex/noweb):
* testing/lisp/test-ob.el (test-ob/elisp-in-header-arguments):
* testing/lisp/test-property-inheritance.el
(test-org-property-accumulation-overwrite-use): Update syntax.
(test-org-property-accumulation-append-use): Use new syntax.
(test-org-property-accumulation-top-val)
(test-org-property-accumulation-overwrite-val)
(test-org-property-accumulation-append-val): Remove tests.

doc/org.texi

@@ -15338,11 +15338,7 @@ per-subtree basis using property drawers (see @ref{Property syntax}).
 When properties are used to set default header arguments, they are always
 looked up with inheritance, regardless of the value of
 @code{org-use-property-inheritance}.  Properties are evaluated as seen by the
-outermost call or source block.@footnote{The deprecated syntax for default
-header argument properties, using the name of the header argument as a
-property name directly, evaluates the property as seen by the corresponding
-source block definition.  This behavior has been kept for backwards
-compatibility.}
+outermost call or source block.
 
 In the following example the value of
 the @code{:cache} header argument will default to @code{yes} in all code

etc/ORG-NEWS

@@ -109,8 +109,34 @@ The modification time will be determined via =vc.el= if the second
 argument is non-nil.  See the manual for details.
 *** Preparation and completion functions in publishing projects change signature
 Preparation and completion functions are now called with an argument,
-which is the project property list. It used to be dynamically scoped
+which is the project property list.  It used to be dynamically scoped
 through the ~project-plist~ variable.
+*** Old Babel header properties are no longer supported
+Using header arguments as property names is no longer possible.  As
+such, the following
+
+#+BEGIN_EXAMPLE
+,* Headline
+:PROPERTIES:
+:exports: code
+:var: a=1 b=2
+:var+: c=3
+:END:
+#+END_EXAMPLE
+
+should be written instead
+
+#+BEGIN_EXAMPLE
+,* Headline
+:PROPERTIES:
+:header-args: :exports code
+:header-args: :var a=1 b=2
+:header-args+: :var c=3
+:END:
+#+END_EXAMPLE
+
+Please note that, however, old properties were defined at the source
+block definition.  Current ones are defined where the block is called.
 ** New features
 *** New org-protocol key=value syntax
 
@@ -302,7 +328,7 @@ an :indent parameter, much like the one in the clock table.
 On the other hand, stars no longer appear in an ITEM field.
 *** Columns view
 **** ~org-columns~ accepts a prefix argument
-When called with a prefix argument, ~org-columns~ apply to the whole
+pWhen called with a prefix argument, ~org-columns~ apply to the whole
 buffer unconditionally.
 **** New variable : ~org-agenda-view-columns-initially~
 The variable used to be a ~defvar~, it is now a ~defcustom~.

lisp/ob-core.el

@@ -1412,21 +1412,6 @@ Return a list of association lists of source block params
 specified in the properties of the current outline entry."
   (save-match-data
     (list
-     ;; DEPRECATED header arguments specified as separate property at
-     ;; point of definition.
-     (org-babel-parse-multiple-vars
-      (delq nil
-	    (mapcar
-	     (lambda (header)
-	       (let* ((arg (symbol-name (car header)))
-		      (val (org-entry-get (point) arg t)))
-		 (and val
-		      (cons (intern (concat ":" arg))
-			    (org-babel-read val)))))
-	     (org-babel-combine-header-arg-lists
-	      org-babel-common-header-args-w-values
-	      (let ((sym (intern (concat "org-babel-header-args:" lang))))
-		(and (boundp sym) (eval sym t)))))))
      ;; header arguments specified with the header-args property at
      ;; point of call.
      (org-babel-parse-header-arguments

testing/examples/babel.org

@@ -141,7 +141,7 @@
 
 * executing an lob call line
   :PROPERTIES:
-  :results:  silent
+  :header-args: :results  silent
   :ID:       fab7e291-fde6-45fc-bf6e-a485b8bca2f0
   :END:
 
@@ -202,7 +202,7 @@ src_sh{echo 3} Here is one at the beginning of a line.
 * exported inline source block
 :PROPERTIES:
 :ID:       cd54fc88-1b6b-45b6-8511-4d8fa7fc8076
-:exports:  code
+:header-args: :exports  code
 :END:
 Here is one in the middle src_sh{echo 1} of a line.
 Here is one at the end of a line. src_sh{echo 2}
@@ -230,7 +230,7 @@ Here is one that is also evaluated: src_sh[:exports both]{echo 4}
 * using the =:noweb-ref= header argument
   :PROPERTIES:
   :ID:       54d68d4b-1544-4745-85ab-4f03b3cbd8a0
-  :noweb-sep: ""
+  :header-args: :noweb-sep ""
   :END:
 
 #+begin_src sh :tangle yes :noweb yes :shebang "#!/bin/sh"
@@ -259,7 +259,7 @@ Here is one that is also evaluated: src_sh[:exports both]{echo 4}
 * resolving sub-trees as references
   :PROPERTIES:
   :ID:       2409e8ba-7b5f-4678-8888-e48aa02d8cb4
-  :results:  silent
+  :header-args: :results  silent
   :END:
 
 #+begin_src emacs-lisp :var text=d4faa7b3-072b-4dcf-813c-dd7141c633f3
@@ -315,7 +315,7 @@ and another
 
 * in order evaluation on export
   :PROPERTIES:
-  :exports: results
+  :header-args: :exports results
   :ID:       96cc7073-97ec-4556-87cf-1f9bffafd317
   :END:
 

testing/examples/normal.org

@@ -7,7 +7,7 @@ This is an example file for use by the Org-mode tests.
 * top
 ** code block
    :PROPERTIES:
-   :tangle:   yes
+   :header-args: :tangle yes
    :CUSTOM_ID: code-block-section
    :END:
 Here are a couple of code blocks.
@@ -18,8 +18,8 @@ Here are a couple of code blocks.
 #+end_src
 * accumulating properties in drawers
  :PROPERTIES:
- :var+:     bar=2
- :var:      foo=1
+ :header-args+: :var bar=2
+ :header-args: :var foo=1
  :ID:       75282ba2-f77a-4309-a970-e87c149fe125
  :END:
 

testing/examples/ob-header-arg-defaults.org

@@ -1,7 +1,5 @@
 #+TITLE: Tests for default header arguments to Babel source blocks
 #+OPTIONS: ^:nil
-#+PROPERTY: var  t1="go1" t3="go3_clobbered"
-#+PROPERTY: var+ t2="go2" t3="go3"
 #+PROPERTY: header-args  :var t1="gh1" t2="gh2_clobbered"
 #+PROPERTY: header-args+ :var t4="gh4" t2="gh2" :var end=9
 #+PROPERTY: header-args:emacs-lisp  :var t1="ge1" t4="ge4_clobbered"
@@ -25,11 +23,10 @@
 
 | Global                 | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var property           | go1 | go2 | go3 | --- | --- | --- | --- | --- | --- |
 | header-args            | gh1 | gh2 | --- | gh4 | --- | --- | --- | --- | --- |
 | header-args:emacs-lisp | ge1 | --- | --- | ge4 | ge5 | --- | --- | --- | --- |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| Result                 | ge1 | gh2 | go3 | ge4 | ge5 | --6 | --7 | --8 | --9 |
+| Result                 | ge1 | gh2 | --3 | ge4 | ge5 | --6 | --7 | --8 | --9 |
 
 #+CALL: showvar() :results silent
 #+BEGIN_SRC emacs-lisp :var end=7
@@ -40,7 +37,6 @@
 ** Overwrite
   :PROPERTIES:
   :ID:       a9cdfeda-9f31-4bb5-b694-2cf452f07dfd
-  :var: t6="to6"
   :header-args: :var t7="th7"
   :header-args:emacs-lisp: :var t8="te8"
   :header-args:emacs-lisp+: :results silent :noweb yes :var end=9
@@ -48,18 +44,16 @@
 
 | Global                 | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var property           | go1 | go2 | go3 | --- | --- | --- | --- | --- | --- |
 | header-args            | gh1 | gh2 | --- | gh4 | --- | --- | --- | --- | --- |
 | header-args:emacs-lisp | ge1 | --- | --- | ge4 | ge5 | --- | --- | --- | --- |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
 | Tree                   | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var property           | --- | --- | --- | --- | --- | to6 | --- | --- | --- |
 | header-args            | --- | --- | --- | --- | --- | --- | th7 | --- | --- |
 | header-args:emacs-lisp | --- | --- | --- | --- | --- | --- | --- | te8 | --- |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| Result #+CALL          | ge1 | gh2 | go3 | ge4 | ge5 | to6 | th7 | te8 | --9 |
-| Result noweb           | --1 | --2 | --3 | --4 | --5 | to6 | th7 | te8 | --9 |
+| Result #+CALL          | ge1 | gh2 | --3 | ge4 | ge5 | --6 | th7 | te8 | --9 |
+| Result noweb           | --1 | --2 | --3 | --4 | --5 | --6 | th7 | te8 | --9 |
 
 #+CALL: showvar() :results silent
 #+BEGIN_SRC emacs-lisp
@@ -69,26 +63,22 @@
 ** Accumulate
   :PROPERTIES:
   :ID:       1d97d258-fd50-4107-a095-e4625bffc57b
-  :var+: t1="to1"
-  :var+: t6="to6"
   :header-args+: :var t2="th2" t3="th3"
   :header-args:emacs-lisp+: :var t5="te5" end=8
   :END:
 
 | Global                  | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |-------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var property            | go1 | go2 | go3 | --- | --- | --- | --- | --- | --- |
 | header-args             | gh1 | gh2 | --- | gh4 | --- | --- | --- | --- | --- |
 | header-args:emacs-lisp  | ge1 | --- | --- | ge4 | ge5 | --- | --- | --- | --- |
 |-------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
 | Tree                    | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |-------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var+ property           | to1 | --- | --- | --- | --- | to6 | --- | --- | --- |
 | header-args+            | --- | th2 | th3 | --- | --- | --- | --- | --- | --- |
 | header-args:emacs-lisp+ | --- | --- | --- | --- | te5 | --- | --- | --- | --- |
 |-------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| Result #+CALL           | ge1 | th2 | th3 | ge4 | te5 | to6 | --7 | --8 | --9 |
-| Result noweb            | ge1 | th2 | th3 | ge4 | te5 | to6 | --7 | --8 | --9 |
+| Result #+CALL           | ge1 | th2 | th3 | ge4 | te5 | --6 | --7 | --8 | --9 |
+| Result noweb            | ge1 | th2 | th3 | ge4 | te5 | --6 | --7 | --8 | --9 |
 
 #+CALL: showvar(end=6) :results silent
 #+BEGIN_SRC emacs-lisp
@@ -98,8 +88,6 @@
 ** Complex
   :PROPERTIES:
   :ID:       fa0e912d-d9b4-47b0-9f9e-1cbb39f7cbc2
-  :var: t1="to1"
-  :var+: t6="to6"
   :header-args+: :var t2="th2"
   :header-args:emacs-lisp: :var t5="te5" end=7
   :header-args:emacs-lisp+: :results silent :noweb yes :var end=9
@@ -107,18 +95,16 @@
 
 | Global                 | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var property           | go1 | go2 | go3 | --- | --- | --- | --- | --- | --- |
 | header-args            | gh1 | gh2 | --- | gh4 | --- | --- | --- | --- | --- |
 | header-args:emacs-lisp | ge1 | --- | --- | ge4 | ge5 | --- | --- | --- | --- |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
 | Tree                   | t1  | t2  | t3  | t4  | t5  | t6  | t7  | t8  | t9  |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| var property           | to1 | --- | --- | --- | --- | to6 | --- | --- | --- |
 | header-args+           | --- | th2 | --- | --- | --- | --- | --- | --- | --- |
 | header-args:emacs-lisp | --- | --- | --- | --- | te5 | --- | --- | --- | --- |
 |------------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----|
-| Result #+CALL          | gh1 | th2 | go3 | gh4 | te5 | to6 | --7 | --8 | --9 |
-| Result noweb           | gh1 | th2 | --3 | gh4 | te5 | to6 | --7 | --8 | --9 |
+| Result #+CALL          | gh1 | th2 | go3 | gh4 | te5 | --6 | --7 | --8 | --9 |
+| Result noweb           | gh1 | th2 | --3 | gh4 | te5 | --6 | --7 | --8 | --9 |
 
 #+CALL: showvar(end=6) :results silent
 #+BEGIN_SRC emacs-lisp

testing/examples/property-inheritance.org

@@ -1,36 +1,25 @@
-#+property: var  foo=1
-#+property: var+ bar=2
+#+property: header-args :var  foo=1
+#+property: header-args+ :var bar=2
 
 #+begin_src emacs-lisp
   (+ foo bar)
 #+end_src
 
-#+begin_src emacs-lisp
-  (org-entry-get (point) "var" t)
-#+end_src
-
 * overwriting a file-wide property
   :PROPERTIES:
-  :var:      foo=7
+  :header-args: :var foo=7
   :END:
 
 #+begin_src emacs-lisp
   foo
 #+end_src
 
-#+begin_src emacs-lisp
-  (org-entry-get (point) "var" t)
-#+end_src
-
 * appending to a file-wide property
   :PROPERTIES:
-  :var+:      baz=3
+  :header-args+: :var baz=3
   :END:
 
 #+begin_src emacs-lisp
   (+ foo bar baz)
 #+end_src
 
-#+begin_src emacs-lisp
-  (org-entry-get (point) "var" t)
-#+end_src

testing/lisp/test-ob-header-arg-defaults.el

@@ -24,53 +24,59 @@
   (org-test-at-id "3fdadb69-5d15-411e-aad0-f7860cdd7816"
    (org-babel-next-src-block 1)
    (forward-line -1)
-   (should (equal "ge1/gh2/go3/ge4/ge5/--6/--7/--8/--9"
+   (should (equal "ge1/gh2/--3/ge4/ge5/--6/--7/--8/--9"
 		  (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
 
 (ert-deftest test-ob-header-arg-defaults/global/noweb ()
   (org-test-at-id "3fdadb69-5d15-411e-aad0-f7860cdd7816"
    (org-babel-next-src-block 1)
-   (should (equal "ge1/gh2/go3/ge4/ge5/--6/--7"
+   (should (equal "ge1/gh2/--3/ge4/ge5/--6/--7"
 		  (org-babel-execute-src-block)))))
 
 (ert-deftest test-ob-header-arg-defaults/tree/overwrite/call ()
-  (org-test-at-id "a9cdfeda-9f31-4bb5-b694-2cf452f07dfd"
-   (org-babel-next-src-block 1)
-   (forward-line -1)
-   (should (equal "ge1/gh2/go3/ge4/ge5/to6/th7/te8/--9"
-		  (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
+  (should
+   (equal "ge1/gh2/--3/ge4/ge5/--6/th7/te8/--9"
+	  (org-test-at-id "a9cdfeda-9f31-4bb5-b694-2cf452f07dfd"
+	    (org-babel-next-src-block 1)
+	    (forward-line -1)
+	    (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
 
 (ert-deftest test-ob-header-arg-defaults/tree/overwrite/noweb ()
-  (org-test-at-id "a9cdfeda-9f31-4bb5-b694-2cf452f07dfd"
-   (org-babel-next-src-block 1)
-   (should (equal "--1/--2/--3/--4/--5/to6/th7/te8/--9"
-		  (org-babel-execute-src-block)))))
+  (should
+   (equal "--1/--2/--3/--4/--5/--6/th7/te8/--9"
+	  (org-test-at-id "a9cdfeda-9f31-4bb5-b694-2cf452f07dfd"
+	    (org-babel-next-src-block 1)
+	    (org-babel-execute-src-block)))))
 
 (ert-deftest test-ob-header-arg-defaults/tree/accumulate/call ()
-  (org-test-at-id "1d97d258-fd50-4107-a095-e4625bffc57b"
-   (org-babel-next-src-block 1)
-   (forward-line -1)
-   (should (equal "ge1/th2/th3/ge4/te5/to6"
-		  (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
+  (should
+   (equal "ge1/th2/th3/ge4/te5/--6"
+	  (org-test-at-id "1d97d258-fd50-4107-a095-e4625bffc57b"
+	    (org-babel-next-src-block 1)
+	    (forward-line -1)
+	    (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
 
 (ert-deftest test-ob-header-arg-defaults/tree/accumulate/noweb ()
-  (org-test-at-id "1d97d258-fd50-4107-a095-e4625bffc57b"
-   (org-babel-next-src-block 1)
-   (should (equal "ge1/th2/th3/ge4/te5/to6/--7/--8"
-		  (org-babel-execute-src-block)))))
+  (should
+   (equal "ge1/th2/th3/ge4/te5/--6/--7/--8"
+	  (org-test-at-id "1d97d258-fd50-4107-a095-e4625bffc57b"
+	    (org-babel-next-src-block 1)
+	    (org-babel-execute-src-block)))))
 
 (ert-deftest test-ob-header-arg-defaults/tree/complex/call ()
-  (org-test-at-id "fa0e912d-d9b4-47b0-9f9e-1cbb39f7cbc2"
-   (org-babel-next-src-block 1)
-   (forward-line -1)
-   (should (equal "gh1/th2/go3/gh4/te5/to6"
-		  (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
+  (should
+   (equal "gh1/th2/--3/gh4/te5/--6"
+	  (org-test-at-id "fa0e912d-d9b4-47b0-9f9e-1cbb39f7cbc2"
+	    (org-babel-next-src-block 1)
+	    (forward-line -1)
+	    (org-babel-execute-src-block nil (org-babel-lob-get-info))))))
 
 (ert-deftest test-ob-header-arg-defaults/tree/complex/noweb ()
-  (org-test-at-id "fa0e912d-d9b4-47b0-9f9e-1cbb39f7cbc2"
-   (org-babel-next-src-block 1)
-   (should (equal "gh1/th2/--3/gh4/te5/to6/--7/--8/--9"
-		  (org-babel-execute-src-block)))))
+  (should
+   (equal "gh1/th2/--3/gh4/te5/--6/--7/--8/--9"
+	  (org-test-at-id "fa0e912d-d9b4-47b0-9f9e-1cbb39f7cbc2"
+	    (org-babel-next-src-block 1)
+	    (org-babel-execute-src-block)))))
 
 (provide 'test-ob-header-arg-defaults)
 

testing/lisp/test-ob.el

@@ -136,15 +136,14 @@ should still return the link."
 
 * elisp forms in header arguments
   :PROPERTIES:
-  :var:      prop = (* 7 6)
+  :header-args: :var prop = (* 7 6)
   :END:
 #+begin_src emacs-lisp
   prop
 #+end_src"
     (goto-char (point-min))
     (org-babel-next-src-block)
-    (let ((info (org-babel-get-src-block-info)))
-      (should (= 42 (org-babel-execute-src-block))))))
+    (should (= 42 (org-babel-execute-src-block)))))
 
 (ert-deftest test-ob/simple-named-code-block ()
   "Test that simple named code blocks can be evaluated."

testing/lisp/test-property-inheritance.el

@@ -33,36 +33,18 @@
    (org-babel-next-src-block 1)
    (should (equal 3 (org-babel-execute-src-block)))))
 
-(ert-deftest test-org-property-accumulation-top-val ()
-  (test-org-in-property-buffer
-   (goto-char (point-min))
-   (org-babel-next-src-block 2)
-   (should (string= "foo=1 bar=2" (org-babel-execute-src-block)))))
-
 (ert-deftest test-org-property-accumulation-overwrite-use ()
   (test-org-in-property-buffer
    (goto-char (point-min))
-   (org-babel-next-src-block 3)
+   (org-babel-next-src-block 2)
    (should (= 7 (org-babel-execute-src-block)))))
 
-(ert-deftest test-org-property-accumulation-overwrite-val ()
-  (test-org-in-property-buffer
-   (goto-char (point-min))
-   (org-babel-next-src-block 4)
-   (should (string= "foo=7" (org-babel-execute-src-block)))))
-
 (ert-deftest test-org-property-accumulation-append-use ()
   (test-org-in-property-buffer
    (goto-char (point-min))
-   (org-babel-next-src-block 5)
+   (org-babel-next-src-block 3)
    (should (= 6 (org-babel-execute-src-block)))))
 
-(ert-deftest test-org-property-accumulation-append-val ()
-  (test-org-in-property-buffer
-   (goto-char (point-min))
-   (org-babel-next-src-block 6)
-   (should (string= "foo=1 bar=2 baz=3" (org-babel-execute-src-block)))))
-
 (provide 'test-ob-R)
 
 ;;; test-ob-R.el ends here