org-element: Fix previous patch

* lisp/org-element.el (org-element-paragraph-parser): Fix previous patch.
* testing/lisp/test-org-element.el: Add tests.

lisp/org-element.el

@@ -1738,22 +1738,40 @@ Assume point is at the beginning of the paragraph."
 	      (end-of-line)
 	      (re-search-forward org-element-paragraph-separate limit 'm)
 	      (while (and (/= (point) limit)
-			  (cond ((and (looking-at "[ \t]*:\\S-")
-				      (not (looking-at org-drawer-regexp))))
-				((not (looking-at "[ \t]*#\\S-")) nil)
-				((looking-at "[ \t]*\\+BEGIN:? ")
-				 (not (save-excursion
-					(re-search-forward
-					 "^[ \t]*\\+END:" limit t))))
-				((looking-at "[ \t]*\\+BEGIN_\\(\\S-+\\)")
-				 (not (save-excursion
-					(re-search-forward
-					 (concat "^[ \t]*\\+END_"
-						 (match-string 1))
-					 limit t))))
-				((not (looking-at "[ \t]*#\\+\\S-+:")))))
-		(when (re-search-forward org-element-paragraph-separate limit 'm)
-		  (goto-char (match-beginning 0))))
+			  (cond
+			   ;; Skip non-existent or incomplete drawer.
+			   ((save-excursion
+			      (beginning-of-line)
+			      (and (looking-at "[ \t]*:\\S-")
+				   (or (not (looking-at org-drawer-regexp))
+				       (not (save-excursion
+					      (re-search-forward
+					       "^[ \t]*:END:" limit t)))))))
+			   ;; Stop at comments.
+			   ((save-excursion
+			      (beginning-of-line)
+			      (not (looking-at "[ \t]*#\\S-"))) nil)
+			   ;; Skip incomplete dynamic blocks.
+			   ((save-excursion
+			      (beginning-of-line)
+			      (looking-at "[ \t]*#\\+BEGIN: "))
+			    (not (save-excursion
+				   (re-search-forward
+				    "^[ \t]*\\+END:" limit t))))
+			   ;; Skip incomplete blocks.
+			   ((save-excursion
+			      (beginning-of-line)
+			      (looking-at "[ \t]*#\\+BEGIN_\\(\\S-+\\)"))
+			    (not (save-excursion
+				   (re-search-forward
+				    (concat "^[ \t]*#\\+END_"
+					    (match-string 1))
+				    limit t))))
+			   ;; Skip ill-formed keywords.
+			   ((not (save-excursion
+				   (beginning-of-line)
+				   (looking-at "[ \t]*#\\+\\S-+:"))))))
+		(re-search-forward org-element-paragraph-separate limit 'm))
 	      (if (eobp) (point) (goto-char (line-beginning-position)))))
 	   (contents-end (progn (skip-chars-backward " \r\t\n" contents-begin)
 				(forward-line)

testing/lisp/test-org-element.el

@@ -1144,10 +1144,34 @@ e^{i\\pi}+1=0
 	  (org-element-parse-buffer) 'paragraph
 	  (lambda (p) (char-after (org-element-property :end p)))
 	  nil t))))
-  ;; Keywords without colons are treated as plain text.
+  ;; Include ill-formed Keywords.
   (should
    (org-test-with-temp-text "#+wrong_keyword something"
-     (org-element-map (org-element-parse-buffer) 'paragraph 'identity))))
+     (org-element-map (org-element-parse-buffer) 'paragraph 'identity)))
+  ;; Include incomplete-drawers.
+  (should
+   (let ((org-drawers '("TEST")))
+     (org-test-with-temp-text ":TEST:\nParagraph"
+       (let ((elem (org-element-at-point)))
+	 (and (eq (org-element-type elem) 'paragraph)
+	      (= (point-max) (org-element-property :end elem)))))))
+  ;; Include non-existent drawers.
+  (should
+   (let ((org-drawers '("TEST")))
+     (org-test-with-temp-text ":NONAME:"
+       (org-element-map (org-element-parse-buffer) 'paragraph 'identity))))
+  ;; Include incomplete blocks.
+  (should
+   (org-test-with-temp-text "#+BEGIN_CENTER\nParagraph"
+     (let ((elem (org-element-at-point)))
+       (and (eq (org-element-type elem) 'paragraph)
+	    (= (point-max) (org-element-property :end elem))))))
+  ;; Include incomplete dynamic blocks.
+  (should
+   (org-test-with-temp-text "#+BEGIN: \nParagraph"
+     (let ((elem (org-element-at-point)))
+       (and (eq (org-element-type elem) 'paragraph)
+	    (= (point-max) (org-element-property :end elem)))))))
 
 
 ;;;; Plain List