org-element: Fix interpreter for timestamp with delay

* lisp/org-element.el (org-element-timestamp-interpreter): Correctly
  interpret timestamps with delays.
* testing/lisp/test-org-element.el: Add test.

lisp/org-element.el

@@ -3660,12 +3660,12 @@ CONTENTS is nil."
 		 (hour "h") (day "d") (week "w") (month "m") (year "y"))))
 	     (warning-string
 	      (concat
-	       (and (eq (org-element-property :warninger-type timestamp) 'first)
-		    "-")
-	       "-"
-	       (let ((val (org-element-property :warninger-value timestamp)))
+	       (case (org-element-property :warning-type timestamp)
+		 (first "--")
+		 (all "-"))
+	       (let ((val (org-element-property :warning-value timestamp)))
 		 (and val (number-to-string val)))
-	       (case (org-element-property :warninger-unit timestamp)
+	       (case (org-element-property :warning-unit timestamp)
 		 (hour "h") (day "d") (week "w") (month "m") (year "y"))))
 	     (build-ts-string
 	      ;; Build an Org timestamp string from TIME.  ACTIVEP is
@@ -3685,11 +3685,12 @@ CONTENTS is nil."
 			   (format "\\&-%02d:%02d" hour-end minute-end)
 			   nil nil ts)))
 		  (unless activep (setq ts (format "[%s]" (substring ts 1 -1))))
-		  (when (org-string-nw-p repeat-string)
-		    (setq ts (concat (substring ts 0 -1)
-				     " "
-				     repeat-string
-				     (substring ts -1))))
+		  (dolist (s (list repeat-string warning-string))
+		    (when (org-string-nw-p s)
+		      (setq ts (concat (substring ts 0 -1)
+				       " "
+				       s
+				       (substring ts -1)))))
 		  ;; Return value.
 		  ts)))
 	     (type (org-element-property :type timestamp)))

testing/lisp/test-org-element.el

@@ -2456,7 +2456,7 @@ DEADLINE: <2012-01-01> SCHEDULED: <2012-01-01> CLOSED: [2012-01-01]\n"))))
   ;; Diary.
   (should (equal (org-test-parse-and-interpret "<%%diary-float t 4 2>")
 		 "<%%diary-float t 4 2>\n"))
-  ;; Timestamp with repeater interval.
+  ;; Timestamp with repeater interval, with delay, with both.
   (should (equal (org-test-parse-and-interpret "<2012-03-29 thu. +1y>")
 		 "<2012-03-29 thu. +1y>\n"))
   (should
@@ -2467,6 +2467,23 @@ DEADLINE: <2012-01-01> SCHEDULED: <2012-01-01> CLOSED: [2012-01-01]\n"))))
        (:type active :year-start 2012 :month-start 3 :day-start 29
 	      :repeater-type cumulate :repeater-value 1 :repeater-unit year))
      nil)))
+  (should
+   (string-match
+    "<2012-03-29 .* -1y>"
+    (org-element-timestamp-interpreter
+     '(timestamp
+       (:type active :year-start 2012 :month-start 3 :day-start 29
+	      :warning-type all :warning-value 1 :warning-unit year))
+     nil)))
+  (should
+   (string-match
+    "<2012-03-29 .* \\+1y -1y>"
+    (org-element-timestamp-interpreter
+     '(timestamp
+       (:type active :year-start 2012 :month-start 3 :day-start 29
+	      :warning-type all :warning-value 1 :warning-unit year
+	      :repeater-type cumulate :repeater-value 1 :repeater-unit year))
+     nil)))
   ;; Timestamp range with repeater interval
   (should (equal (org-test-parse-and-interpret
 		  "<2012-03-29 Thu +1y>--<2012-03-30 Thu +1y>")