diff --git a/README_maintainer b/README_maintainer
index 04dc2c087..6b162aa52 100644
--- a/README_maintainer
+++ b/README_maintainer
@@ -2,6 +2,7 @@
 
 #+TITLE: Org maintainer tasks
 #+STARTUP: noindent
+#+OPTIONS: ^:nil
 
 This document describes the tasks the Org-mode maintainer has to do
 and how they are performed.
diff --git a/lisp/ob-R.el b/lisp/ob-R.el
index 780d99f9c..1c71e0406 100644
--- a/lisp/ob-R.el
+++ b/lisp/ob-R.el
@@ -96,7 +96,7 @@ this variable.")
 (defun org-babel-expand-body:R (body params &optional graphics-file)
   "Expand BODY according to PARAMS, return the expanded body."
   (let ((graphics-file
-	 (or graphics-file (org-babel-R-graphical-output-file params))))
+	 (or graphics-file (org-babel-graphical-output-file params))))
     (mapconcat #'identity
 	       (append
 		(when (cdr (assoc :prologue params))
@@ -117,7 +117,7 @@ This function is called by `org-babel-execute-src-block'."
 		     (cdr (assoc :session params)) params))
 	   (colnames-p (cdr (assoc :colnames params)))
 	   (rownames-p (cdr (assoc :rownames params)))
-	   (graphics-file (org-babel-R-graphical-output-file params))
+	   (graphics-file (org-babel-graphical-output-file params))
 	   (full-body
 	    (let ((inside
 		   (list (org-babel-expand-body:R body params graphics-file))))
@@ -251,11 +251,6 @@ current code buffer."
 	(process-name (get-buffer-process session)))
   (ess-make-buffer-current))
 
-(defun org-babel-R-graphical-output-file (params)
-  "Name of file to which R should send graphical output."
-  (and (member "graphics" (cdr (assq :result-params params)))
-       (cdr (assq :file params))))
-
 (defvar org-babel-R-graphics-devices
   '((:bmp "bmp" "filename")
     (:jpg "jpeg" "filename")
diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 401e3f018..1348f04f5 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -1591,7 +1591,7 @@ shown below.
 ;; row and column names
 (defun org-babel-del-hlines (table)
   "Remove all 'hlines from TABLE."
-  (remove 'hline table))
+  (remq 'hline table))
 
 (defun org-babel-get-colnames (table)
   "Return the column names of TABLE.
@@ -2890,6 +2890,13 @@ For the format of SAFE-LIST, see `org-babel-safe-header-args'."
 		      (member (cdr pair) (cdr entry)))
 		     (t nil)))))))
 
+
+;;; Used by backends: R, Maxima, Octave.
+(defun org-babel-graphical-output-file (params)
+  "File where a babel block should send graphical output, per PARAMS."
+  (and (member "graphics" (cdr (assq :result-params params)))
+       (cdr (assq :file params))))
+
 (provide 'ob-core)
 
 ;; Local variables:
diff --git a/lisp/ob-maxima.el b/lisp/ob-maxima.el
index 7435f1d32..5d4ec18cc 100644
--- a/lisp/ob-maxima.el
+++ b/lisp/ob-maxima.el
@@ -52,7 +52,7 @@
     (mapconcat 'identity
 	       (list
 		;; graphic output
-		(let ((graphic-file (org-babel-maxima-graphical-output-file params)))
+		(let ((graphic-file (org-babel-graphical-output-file params)))
 		  (if graphic-file
 		      (format
 		       "set_plot_option ([gnuplot_term, png]); set_plot_option ([gnuplot_out_file, %S]);"
@@ -113,11 +113,6 @@ of the same value."
     (format "%S: %s$" var
 	    (org-babel-maxima-elisp-to-maxima val))))
 
-(defun org-babel-maxima-graphical-output-file (params)
-  "Name of file to which maxima should send graphical output."
-  (and (member "graphics" (cdr (assq :result-params params)))
-       (cdr (assq :file params))))
-
 (defun org-babel-maxima-elisp-to-maxima (val)
   "Return a string of maxima code which evaluates to VAL."
   (if (listp val)
diff --git a/lisp/ob-octave.el b/lisp/ob-octave.el
index 8cc66b6f9..1e6102c89 100644
--- a/lisp/ob-octave.el
+++ b/lisp/ob-octave.el
@@ -84,16 +84,16 @@ end")
 	   body params (org-babel-variable-assignments:octave params)))
 	 (result (org-babel-octave-evaluate
 		  session
-		  (if (org-babel-octave-graphical-output-file params)
+		  (if (org-babel-graphical-output-file params)
 		      (mapconcat 'identity
 				 (list
 				  "set (0, \"defaultfigurevisible\", \"off\");"
 				  full-body
-				  (format "print -dpng %s" (org-babel-octave-graphical-output-file params)))
+				  (format "print -dpng %s" (org-babel-graphical-output-file params)))
 				 "\n")
 		    full-body)
 		  result-type matlabp)))
-    (if (org-babel-octave-graphical-output-file params)
+    (if (org-babel-graphical-output-file params)
 	nil
       (org-babel-reassemble-table
        result
@@ -268,11 +268,6 @@ This removes initial blank and comment lines and then calls
       (match-string 1 string)
     string))
 
-(defun org-babel-octave-graphical-output-file (params)
-  "Name of file to which maxima should send graphical output."
-  (and (member "graphics" (cdr (assq :result-params params)))
-       (cdr (assq :file params))))
-
 (provide 'ob-octave)
 
 
diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index 937724351..c7f235deb 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -650,7 +650,7 @@ of custom agenda commands."
   :tag "Org Agenda Match View"
   :group 'org-agenda)
 (defgroup org-agenda-search-view nil
-  "Options concerning the general tags/property/todo match agenda view."
+  "Options concerning the search agenda view."
   :tag "Org Agenda Search View"
   :group 'org-agenda)
 
@@ -3752,6 +3752,9 @@ generating a new one."
 					     (delete-dups
 					      (mapcar 'downcase (org-get-tags-at))))))))))
 	(run-hooks 'org-agenda-finalize-hook)
+	(when org-agenda-top-headline-filter
+	  (org-agenda-filter-top-headline-apply
+	   org-agenda-top-headline-filter))
 	(when org-agenda-tag-filter
 	  (org-agenda-filter-apply org-agenda-tag-filter 'tag))
 	(when (get 'org-agenda-tag-filter :preset-filter)
diff --git a/lisp/org.el b/lisp/org.el
index 93625e354..0d02f9fc3 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -5451,9 +5451,13 @@ The following commands are available:
   ;; Initialize cache.
   (org-element-cache-reset)
   ;; Beginning/end of defun
-  (org-set-local 'beginning-of-defun-function 'org-back-to-heading)
+  (org-set-local 'beginning-of-defun-function 'org-backward-element)
   (org-set-local 'end-of-defun-function
-		 (lambda () (interactive) (org-end-of-subtree nil t)))
+		 (lambda ()
+		   (if (not (org-at-heading-p))
+		       (org-forward-element)
+		     (org-forward-element)
+		     (forward-char -1))))
   ;; Next error for sparse trees
   (org-set-local 'next-error-function 'org-occur-next-match)
   ;; Make sure dependence stuff works reliably, even for users who set it
@@ -7740,7 +7744,7 @@ command."
 	       pos hide-previous previous-pos)
 
 	  ;; If we insert after content, move there and clean up whitespace
-	  (when respect-content
+	  (when (and respect-content (not (org-on-heading-p)))
 	    (org-end-of-subtree nil t)
 	    (skip-chars-backward " \r\n")
 	    (and (not (looking-back "^\\*+"))
@@ -8589,11 +8593,11 @@ and still retain the repeater to cover future instances of the task."
 	beg end template task idprop
 	shift-n shift-what doshift nmin nmax)
     (if (not (and (integerp n) (> n 0)))
-	(error "Invalid number of replications %s" n))
+	(user-error "Invalid number of replications %s" n))
     (if (and (setq doshift (and (stringp shift) (string-match "\\S-" shift)))
 	     (not (string-match "\\`[ \t]*\\+?\\([0-9]+\\)\\([hdwmy]\\)[ \t]*\\'"
 				shift)))
-	(error "Invalid shift specification %s" shift))
+	(user-error "Invalid shift specification %s" shift))
     (when doshift
       (setq shift-n (string-to-number (match-string 1 shift))
 	    shift-what (cdr (assoc (match-string 2 shift)
@@ -10627,7 +10631,7 @@ is used internally by `org-open-link-from-string'."
 			  (setq clean-buffer-list-kill-buffer-names
 				(cons buf
 				      clean-buffer-list-kill-buffer-names))))
-		    (error "Abort"))))
+		    (user-error "Abort"))))
 	       ((equal type "elisp")
 		(let ((cmd path))
 		  (if (or (and (org-string-nw-p
@@ -10643,7 +10647,7 @@ is used internally by `org-open-link-from-string'."
 			       (if (eq (string-to-char cmd) ?\()
 				   (eval (read cmd))
 				 (call-interactively (read cmd))))
-		    (error "Abort"))))
+		    (user-error "Abort"))))
 	       ((equal type "id")
 		(require 'ord-id)
 		(funcall (nth 1 (assoc "id" org-link-protocols)) path))
@@ -10735,7 +10739,7 @@ there is one, return it."
 		(message "Select link to open, RET to open all:")
 		(setq c (read-char-exclusive))
 		(and (get-buffer "*Select Link*") (kill-buffer "*Select Link*"))))
-	    (when (equal c ?q) (error "Abort"))
+	    (when (equal c ?q) (user-error "Abort"))
 	    (if (equal c ?\C-m)
 		(setq link links)
 	      (setq nth (- c ?0))
@@ -13036,7 +13040,7 @@ This function is run automatically after each state change to a DONE state."
 			       (time-to-days (current-time))))
 		  (when (= (incf nshift) nshiftmax)
 		    (or (y-or-n-p (message "%d repeater intervals were not enough to shift date past today.  Continue? " nshift))
-			(error "Abort")))
+			(user-error "Abort")))
 		  (org-timestamp-change n (cdr (assoc what whata)))
 		  (org-at-timestamp-p t)
 		  (setq ts (match-string 1))
@@ -13720,7 +13724,7 @@ starting point when no match is found."
       (while (setq p1 (funcall search-func (point) 'org-type))
 	(when (equal p1 limit)
 	  (goto-char pos)
-	  (error "No more matches"))
+	  (user-error "No more matches"))
 	(when (equal (get-char-property p1 'org-type) 'org-occur)
 	  (setq n (1- n))
 	  (when (= n 0)
@@ -13728,7 +13732,7 @@ starting point when no match is found."
 	    (throw 'exit (point))))
 	(goto-char p1))
       (goto-char p1)
-      (error "No more matches"))))
+      (user-error "No more matches"))))
 
 (defun org-show-context (&optional key)
   "Make sure point and context are visible.
@@ -18151,11 +18155,12 @@ Optional argument FILE means use this file instead of the current."
        ((equal r ?r)
 	(org-remove-file file)
 	(throw 'nextfile t))
-       (t (error "Abort"))))))
+       (t (user-error "Abort"))))))
 
 (defun org-get-agenda-file-buffer (file)
-  "Get a buffer visiting FILE.  If the buffer needs to be created, add
-it to the list of buffers which might be released later."
+  "Get an agenda buffer visiting FILE.
+If the buffer needs to be created, add it to the list of buffers
+which might be released later."
   (let ((buf (org-find-base-buffer-visiting file)))
     (if buf
 	buf ; just return it
@@ -18577,7 +18582,7 @@ inspection."
 				   (buffer-substring-no-properties
 				    (region-beginning) (region-end)))))
 		       (read-string "LaTeX Fragment: " frag nil frag))))
-  (unless latex-frag (error "Invalid LaTeX fragment"))
+  (unless latex-frag (user-error "Invalid LaTeX fragment"))
   (let* ((tmp-in-file (file-relative-name
 		       (make-temp-name (expand-file-name "ltxmathml-in"))))
 	 (ignore (write-region latex-frag nil tmp-in-file))
@@ -23011,7 +23016,7 @@ package ox-bibtex by Taru Karttunen."
 	  (if (not (save-excursion
 		     (or (re-search-forward re nil t)
 			 (re-search-backward re nil t))))
-	      (error "No bibliography defined in file")
+	      (user-error "No bibliography defined in file")
 	    (setq bib (concat (match-string 1) ".bib")
 		  rds (list (list 'bib bib)))))))
     (call-interactively 'reftex-citation)))
@@ -23604,7 +23609,8 @@ When BLOCK-REGEXP is non-nil, use this regexp to find blocks."
     (if (looking-at re) (forward-char 1))
     (condition-case nil
 	(funcall re-search-fn re nil nil arg)
-      (error (error "No %s code blocks" (if backward "previous" "further" ))))
+      (error (user-error "No %s code blocks"
+			 (if backward "previous" "further" ))))
     (goto-char (match-beginning 0)) (org-show-context)))
 
 (defun org-previous-block (arg &optional block-regexp)
diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index 94d82c9d5..62bd48f74 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -454,6 +454,7 @@ export back-end currently used."
 	      (not org-html-use-infojs)
 	      (and (eq org-html-use-infojs 'when-configured)
 		   (or (not (plist-get exp-plist :infojs-opt))
+		       (string= "" (plist-get exp-plist :infojs-opt))
 		       (string-match "\\<view:nil\\>"
 				     (plist-get exp-plist :infojs-opt)))))
     (let* ((template org-html-infojs-template)
diff --git a/lisp/ox-icalendar.el b/lisp/ox-icalendar.el
index a60c2f92f..3571c4ce0 100644
--- a/lisp/ox-icalendar.el
+++ b/lisp/ox-icalendar.el
@@ -85,10 +85,11 @@ keyword."
 (defcustom org-icalendar-use-deadline '(event-if-not-todo todo-due)
   "Contexts where iCalendar export should use a deadline time stamp.
 
-This is a list with several symbols in it.  Valid symbol are:
+This is a list with possibly several symbols in it.  Valid symbols are:
+
 `event-if-todo'       Deadlines in TODO entries become calendar events.
 `event-if-not-todo'   Deadlines in non-TODO entries become calendar events.
-`todo-due'            Use deadlines in TODO entries as due-dates"
+`todo-due'            Use deadlines in TODO entries as due-dates."
   :group 'org-export-icalendar
   :type '(set :greedy t
 	      (const :tag "Deadlines in non-TODO entries become events"
@@ -101,7 +102,8 @@ This is a list with several symbols in it.  Valid symbol are:
 (defcustom org-icalendar-use-scheduled '(todo-start)
   "Contexts where iCalendar export should use a scheduling time stamp.
 
-This is a list with several symbols in it.  Valid symbol are:
+This is a list with possibly several symbols in it.  Valid symbols are:
+
 `event-if-todo'       Scheduling time stamps in TODO entries become an event.
 `event-if-not-todo'   Scheduling time stamps in non-TODO entries become an event.
 `todo-start'          Scheduling time stamps in TODO entries become start date.
diff --git a/lisp/ox.el b/lisp/ox.el
index e90832337..8564b21a5 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -752,7 +752,7 @@ e.g. \"tasks:nil\"."
 
 (defcustom org-export-time-stamp-file t
   "Non-nil means insert a time stamp into the exported file.
-The time stamp shows when the file was created. This option can
+The time stamp shows when the file was created.  This option can
 also be set with the OPTIONS keyword, e.g. \"timestamp:nil\"."
   :group 'org-export-general
   :type 'boolean)
diff --git a/testing/lisp/test-org.el b/testing/lisp/test-org.el
index 836b94bfa..069beb989 100644
--- a/testing/lisp/test-org.el
+++ b/testing/lisp/test-org.el
@@ -488,15 +488,12 @@
    (org-test-with-temp-text "* H1\n Body"
      (org-insert-todo-heading-respect-content)
      (nth 2 (org-heading-components))))
-  ;; Add headline after body of current subtree.
+  ;; Add headline at the end of the first subtree
   (should
-   (org-test-with-temp-text "* H1\nBody"
+   (org-test-with-temp-text "* H1\nH1Body\n** H2\nH2Body"
+     (search-forward "H1Body")
      (org-insert-todo-heading-respect-content)
-     (eobp)))
-  (should
-   (org-test-with-temp-text "* H1\n** H2\nBody"
-     (org-insert-todo-heading-respect-content)
-     (eobp)))
+     (and (eobp) (org-at-heading-p))))
   ;; In a list, do not create a new item.
   (should
    (org-test-with-temp-text "* H\n- an item\n- another one"