diff --git a/ChangeLog b/ChangeLog
index a5247c8b..13311ac8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,17 +1,64 @@
+2026-10-06  Bob Weiner  <rsw@gnu.org>
+
+* test/demo-tests.el (demo-org-hide-header-test):
+  test/smart-org-tests.el (smart-org-mode-on-header-cycles-visibility): Bind Action
+    Key variable needed for the test to restore prior Hyperbole Org mode behavior.
+
 2026-10-05  Bob Weiner  <rsw@gnu.org>
 
+* hui-mouse.el (smart-org-action-key-heading-function,
+                smart-org-assist-key-heading-function): Add to allow user-settable
+    behavior when point is anywhere within a heading line (not at the end).
+               (smart-org-cycle): Add as a possible setting for the above variables.
+  man/hyperbole.texi (Smart Key - Org Mode):
+                     (Implicit Button Types): smart-org update doc.
+
+* hsys-org.el (hsys-org-cycle-global): Change all 'org-global-cycle' references
+    to 'org-cycle-global' and set this command to 'org-cycle-global'.
+
+* kotl/kotl-mode.el (kotl-mode:action-key-default-function): Add this defcustom.
+                    (kotl-mode:action-key): INCOMPATIBLE CHANGE: Replace default
+    action in a kcell of show/hide tree with a call to the function specified by
+    the new action defcustom above, which defaults to a no-op, since we have added
+    tree cycling on the TAB key.
+                    (kotl-mode:show-or-hide-tree): Encode prior Action Key
+    behavior in this function if user wants to set it as the defcustom value.
+  man/use-package (kotl-mode): Add comment on how to utilize the above function.
+  man/hyperbole.texi (Hiding and Showing): Update Action Key behavior doc.
+                    (kotl-mode:assist-key-default-function): Add this defcustom.
+                    (kotl-mode:assist-key): INCOMPATIBLE CHANGE: Replace default
+    action in a kcell of 'smart-scroll-down' with a call to the function specified
+    by the new assist defcustom above, which defaults to a no-op, for symmetry with
+    the Action Key.
+  test/kotl-mode-tests.el (kotl-mode-hide-cell): Add needed 'let' binding of
+    'kotl-mode:action-key-default-function'.
+
+* kotl/kcell.el (kcell-data:create): Signal an error if buffer-local 'kotl-kview'
+    is not a valid kview.
+
 * hywiki.el (hywiki-init): Add to move HyWiki initializations from load-time
     to after system and user init time.  This fixes bug gh#1023 where
     a directory given by the default value of 'hywiki-directory' was created
     though the value was changed prior to loading HyWiki.
 
+2026-10-04  Bob Weiner  <rsw@gnu.org>
+
+* hywiki.el (hywiki-word-action-key-creation-allowed-p,
+             hywiki-word-create-exclude-action-key-modes): Add.
+  hibtypes.el (hywiki-word): Use the above in ibtype, 'hywiki-word, to control
+    which major modes disable Action Key WikiWord creation, by default, none.
+  man/hyperbole.texi (Creating HyWikiWords): Doc above variable.
+                     (Implicit Button Types): Update doc for 'hywiki-word'
+    and 'hywiki-existing-word' ibtypes.
+
 * man/use-package (hyperbole): Add 'hywiki-directory' to :custom section.
 
 2026-10-03  Bob Weiner  <rsw@gnu.org>
 
 * hyrolo.el (hyrolo-yank): INCOMPATIBLE CHANGE: Interactively, 'regexp-flag'
     is set only if prefix arg is not C-u, as C-u now disables the 3rd arg,
-    'exclude-sub-entries'.
+    'exclude-sub-entries'.  Interactively, indicate whether yanking an
+    entry or a tree (sub-entries).
   man/hyperbole.texi (HyRolo Menu): Remove referent to 'helm' package no
     longer supported by HyRolo.
                      (HyRolo Menu): Add prefix arg handling details for the
@@ -8803,7 +8850,7 @@ V9.0.1 changes ^^^^:
   hyrolo.el (hyrolo-verify): Allow buffers associated with files from
     'hsys-org-cycle-bob-file-list' as well.
   hui-mouse.el (smart-org-bob-and-non-heading-p): Check whether {TAB} or
-    {M-RET} should org-global-cycle at point."
+    {M-RET} should org-cycle-global at point."
                (smart-eolp): Allow for org global cycling at start of
     buffer on a non-heading line in Hyperbole doc files when displayed from
     Hyperbole menu items.
@@ -10441,7 +10488,7 @@ V9.0.1 changes ^^^^:
                 (assist-key, assist-key-internal): FIX: Set 'assist-key-depressed-flag'
     to t when executing keyboard assist-key actions.
 
-* hsys-org.el (hsys-org-global-cycle, hsys-org-cycle): FIX: Temp move point to beginning
+* hsys-org.el (hsys-org-cycle-global, hsys-org-cycle): FIX: Temp move point to beginning
     of heading so TAB invocations cycle through all states properly.
 
 2023-07-24  Mats Lidell  <matsl@gnu.org>
@@ -13032,7 +13079,7 @@ name with 'name' and 'name-key'.
 
 * man/hyperbole.texi (Implicit Button Types, Smart Key - Org Mode): Add Org
     mode Action Key todo cycling and Assist Key todo set cycling.
-  hsys-org.el (hsys-org-cycle, hsys-org-global-cycle): FIX: Remove setting of
+  hsys-org.el (hsys-org-cycle, hsys-org-cycle-global): FIX: Remove setting of
     last-command which causes cursor to jump around somewhere else in the
     buffer when unfolding a headline rather than just unfolding it
               (hsys-org-todo-at-p, hsys-org-todo-cycle, hsys-org-todo-set-cycle):
diff --git a/hibtypes.el b/hibtypes.el
index a12ec193..51fc9857 100644
--- a/hibtypes.el
+++ b/hibtypes.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:    19-Sep-91 at 20:45:31
-;; Last-Mod:     30-Sep-26 at 17:04:10 by Bob Weiner
+;; Last-Mod:      5-Oct-26 at 10:27:23 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -53,6 +53,7 @@
 ;;; ************************************************************************
 
 (defvar cscope-output-line-regexp)
+(defvar hywiki-word-create-exclude-action-key-modes)
 (defvar id-cflow-repeated-indicator)
 (defvar markdown-regex-link-reference)
 (defvar markdown-regex-reference-definition)
@@ -74,6 +75,7 @@
 (declare-function hywiki-highlight-word-get-range "hywiki")
 (declare-function hywiki-message-spec wikiword "hywiki")
 (declare-function hywiki-referent-exists-p "hywiki")
+(declare-function hywiki-word-action-key-creation-allowed-p "hywiki")
 (declare-function hywiki-word-create-and-display "hywiki")
 (declare-function hywiki-word-from-reference "hywiki")
 (declare-function hywiki-non-hook-context-p "hywiki")
@@ -140,9 +142,10 @@
 
 (defib hywiki-word ()
   "When on a non-existing HyWikiWord, create it and display its referent.
-This is the Action Key function that activates HyWikiWords.  A call
-to (hywiki-active-in-current-buffer-p) must return non-nil for this to
-activate.
+This is the Action Key function that creates HyWikiWords.  Calls
+to (hywiki-word-action-key-creation-allowed-p),
+(hywiki-active-in-current-buffer-p) and (not (hywiki-non-hook-context-p))
+must return non-nil for this to activate.
 
 If the associated HyWiki referent is a page, create it automatically
 unless it is the first HyWiki page to be created, in which case,
@@ -151,7 +154,8 @@ use.
 
 Existing HyWikiWords are handled by the implicit button type
 `hywiki-existing-word'."
-  (when (and (hywiki-active-in-current-buffer-p)
+  (when (and (hywiki-word-action-key-creation-allowed-p)
+             (hywiki-active-in-current-buffer-p)
              (not (hywiki-non-hook-context-p)))
     (let* ((wikiword-start-end (hywiki-highlight-word-get-range))
 	   (wikiword (nth 0 wikiword-start-end))
@@ -1868,8 +1872,9 @@ e.g. <ilink: my series of keys: ${hyperb:dir}/HYPB>."
 
 (defib hywiki-existing-word ()
   "On a HyWikiWord with an existing referent, display the referent.
-A call to (hywiki-active-in-current-buffer-p) must return non-nil
-for this to activate.
+This is the Action Key function that activates existing HyWikiWords.
+Calls to (hywiki-active-in-current-buffer-p) and (not
+(hywiki-non-hook-context-p)) must return non-nil for this to activate.
 
 See the implicit button type `hywiki-word' for creation of referents to
 not yet existing HyWikiWords."
diff --git a/hsys-org.el b/hsys-org.el
index f0693fc4..65581704 100644
--- a/hsys-org.el
+++ b/hsys-org.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:     2-Jul-16 at 14:54:14
-;; Last-Mod:     28-Sep-26 at 08:09:55 by Bob Weiner
+;; Last-Mod:      5-Oct-26 at 22:23:15 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -490,12 +490,12 @@ omit any trailing colon and space in the prompt."
 	  (car src-block-info)
 	(cdr (assq attribute (caddr src-block-info)))))))
 
-(defun hsys-org-global-cycle ()
-  "Call `org-global-cycle' and set as `this-command' to cycle through all states."
-  (setq this-command 'org-cycle)
+(defun hsys-org-cycle-global ()
+  "Call `org-cycle-global' and set as `this-command' to cycle through all states."
+  (setq this-command 'org-cycle-global)
   (save-excursion
     (org-back-to-heading)
-    (org-global-cycle nil)))
+    (org-cycle-global nil)))
 
 (defun hsys-org-todo-cycle ()
   "Call `org-todo' and set as `this-command' to cycle through all states."
diff --git a/hui-mouse.el b/hui-mouse.el
index 4465ca0a..51bfa682 100644
--- a/hui-mouse.el
+++ b/hui-mouse.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:    04-Feb-89
-;; Last-Mod:     29-Sep-26 at 17:08:43 by Bob Weiner
+;; Last-Mod:      6-Oct-26 at 00:08:26 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -171,6 +171,18 @@ Its default value is `smart-scroll-down'.  To disable it, set it to
   :type 'function
   :group 'hyperbole-keys)
 
+(defcustom smart-org-action-key-heading-function #'ignore
+  "Function run by the Action Key in `org-mode' when within a heading.
+Set it to `smart-org-cycle' if you want the old `smart-org' behavior."
+  :type 'function
+  :group 'hyperbole-keys)
+
+(defcustom smart-org-assist-key-heading-function #'ignore
+  "Function run by the Assist Key in `org-mode' when within a heading.
+Set it to `smart-org-cycle' if you want the old `smart-org-assist' behavior."
+  :type 'function
+  :group 'hyperbole-keys)
+
 ;;; ************************************************************************
 ;;; Public declarations
 ;;; ************************************************************************
@@ -1900,8 +1912,9 @@ either t or `:buttons':
      or #+end_example header, execute the code block via the Org mode
      standard binding of {\\`C-c' \\`C-c'}, (`org-ctrl-c-ctrl-c').
 
- 10. With point on an Org mode heading, cycle the view of the subtree at
-     point.
+ 10. With point on an Org mode heading but not a Hyperbole button, call the
+     function given by the `smart-org-action-key-heading-function' variable,
+     which defaults to doing nothing.
 
  11. In any other context besides the end of a line, invoke the Org mode
      standard binding of {M-RET}, (`org-meta-return').
@@ -1929,8 +1942,8 @@ in these contexts:
   6. With point on any #+BEGIN_SRC, #+END_SRC, #+RESULTS, #+begin_example
      or #+end_example header, remove source block results.
 
-  7. Not on a Hyperbole button but on an Org mode heading, cycle
-     through views of the whole buffer outline.
+  7. With point on an Org mode heading but not a Hyperbole button, call the
+     function given by the `smart-org-assist-key-heading-function' variable,
 
 To disable ALL Hyperbole support within Org major and minor modes, set the
 custom option `hsys-org-enable-smart-keys' to nil.  Then in Org modes, this
@@ -2001,9 +2014,11 @@ handled by the separate implicit button type, `org-link-outside-org-mode'."
 				    (t (message "No results to remove for this code block."))))))
 		    t)
 		   ((hsys-org-heading-at-p)
-		    (if (not assist-flag)
-			(hact 'hsys-org-cycle)
-		      (hact 'hsys-org-global-cycle))
+		    (if assist-flag
+                        (when (fboundp smart-org-assist-key-heading-function)
+                          (funcall smart-org-assist-key-heading-function))
+                      (when (fboundp smart-org-action-key-heading-function)
+                        (funcall smart-org-action-key-heading-function)))
 		    t)
 		   ((equal (hsys-org-get-value :language) "python")
 		    (setq hkey-value (smart-python-at-tag-p))
@@ -2048,8 +2063,8 @@ handled by the separate implicit button type, `org-link-outside-org-mode'."
 		   ;; Ignore any further Smart Key non-Org contexts
 		   (t)))
 	    (t
-	     ;; hsys-org-enable-smart-keys is set to t, so try other Smart
-	     ;; contexts
+	     ;; hsys-org-enable-smart-keys is set to t, so try other
+             ;; Smart contexts
 	     nil)))))
 
 (defun smart-org-bob-and-non-heading-p ()
@@ -2061,6 +2076,12 @@ handled by the separate implicit button type, `org-link-outside-org-mode'."
        (member (hypb:buffer-file-name)
 	       (hpath:expand-list hsys-org-cycle-bob-file-list))))
 
+(defun smart-org-cycle ()
+  "Cycle Org tree unless `assist-flag' is non-nil, then cycle whole outline."
+  (if assist-flag
+      (hact 'hsys-org-cycle-global)
+    (hact 'hsys-org-cycle)))
+
 ;;; ************************************************************************
 ;;; smart-outline functions
 ;;; ************************************************************************
diff --git a/hypb-maintenance.el b/hypb-maintenance.el
index a4e6b563..d22be359 100644
--- a/hypb-maintenance.el
+++ b/hypb-maintenance.el
@@ -1,9 +1,9 @@
-;;; hypb-maintenance.el --- functions for maintenance tasks  -*- lexical-binding: t; -*-
+;;; hypb-maintenance.el --- Support for updating Hyperbole web pages  -*- lexical-binding: t; -*-
 ;;
 ;; Author:       Mats Lidell <matsl@gnu.org>
 ;;
 ;; Orig-Date:    31-Mar-21 at 21:11:00
-;; Last-Mod:     12-Mar-24 at 22:36:34 by Bob Weiner
+;; Last-Mod:      5-Oct-26 at 18:07:45 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
diff --git a/hyperbole.el b/hyperbole.el
index 72bcb942..9b0190e1 100644
--- a/hyperbole.el
+++ b/hyperbole.el
@@ -8,7 +8,7 @@
 ;; Maintainer:   Robert Weiner <rsw@gnu.org>
 ;;               Mats Lidell <matsl@gnu.org>
 ;; Created:      06-Oct-92 at 11:52:51
-;; Last-Mod:     27-Sep-26 at 02:24:35 by Bob Weiner
+;; Last-Mod:      5-Oct-26 at 12:11:48 by Bob Weiner
 ;; Released:     27-Jul-26
 ;; Version:      9.2.0
 ;; Keywords:     comm, convenience, files, frames, hypermedia, languages, mail, matching, mouse, multimedia, outlines, tools, wp
@@ -580,9 +580,10 @@ frame, those functions by default still return the prior frame."
 	       #'hattr:save))
 
 ;; This next expression initializes the Hyperbole keymap but does not
-;; activate Hyperbole, (hyperbole-mode 1) does that.  The only user-visible
-;; change it should make is to globally bind {C-h h} to 'hyperbole' which
-;; when invoked will both activate Hyperbole and show its minibuffer menu.
+;; activate Hyperbole, (hyperbole-mode 1) does that.  The only
+;; user-visible change it should make is to globally bind {C-h h} to
+;; 'hyperbole' which when invoked will both activate Hyperbole and show
+;; its minibuffer menu.
 (if after-init-time
     ;; Initialize Hyperbole key bindings and hooks.
     (hyperb:init)
diff --git a/hyrolo.el b/hyrolo.el
index 5a0497b7..3e78c580 100644
--- a/hyrolo.el
+++ b/hyrolo.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:     7-Jun-89 at 22:08:29
-;; Last-Mod:      3-Oct-26 at 12:00:28 by Bob Weiner
+;; Last-Mod:      4-Oct-26 at 18:24:04 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -1707,15 +1707,17 @@ string.
 
 With optional EXCLUDE-SUB-ENTRIES non-nil, exclude all sub-entry records
 below the yanked one (default when called interactively)."
-  (interactive (list
-		(hsys-consult-grep-headlines-read-regexp
-		 #'hyrolo-consult-grep "Yank rolo headline matching")
-                ;; Enable `regexp-flag' if any prefix arg other the
-                ;; universal argument
-		(and current-prefix-arg (not (equal '(4) current-prefix-arg)))
-                ;; Exclude-sub-entries if no prefix arg or any prefix arg
-                ;; other than the universal argument
-                (or (null current-prefix-arg) (not (equal '(4) current-prefix-arg)))))
+  (interactive
+   ;; Exclude-sub-entries if no prefix arg or any prefix arg
+   ;; other than the universal argument
+   (let ((exclude-sub-entries (or (null current-prefix-arg) (not (equal '(4) current-prefix-arg)))))
+     (list (hsys-consult-grep-headlines-read-regexp
+            #'hyrolo-consult-grep
+            (format "Yank HyRolo %s matching regexp"
+                    (if exclude-sub-entries "entry" "tree")))
+           ;; Enable `regexp-flag' if any prefix arg other the universal argument
+           (and current-prefix-arg (not (equal '(4) current-prefix-arg)))
+           exclude-sub-entries)))
   (push-mark)
   (let ((entry (hyrolo-get-entry name regexp-flag exclude-sub-entries)))
     (when entry
diff --git a/hywiki.el b/hywiki.el
index b089cda0..29074410 100644
--- a/hywiki.el
+++ b/hywiki.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:    21-Apr-24 at 22:41:13
-;; Last-Mod:     30-Sep-26 at 12:03:56 by Bob Weiner
+;; Last-Mod:      5-Oct-26 at 18:35:00 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -534,6 +534,10 @@ Nil by default."
 (defvar hywiki-file-extension ".org"
   "File suffix string (including period) to use when creating HyWiki pages.")
 
+(defvar hywiki-word-create-exclude-action-key-modes '(org-mode)
+  "Suppress WikiWord creation from Action Key presses in this major mode list.
+Typically used in any modes where the Action Key shows/hides sections.")
+
 (defconst hywiki-word-regexp
   (format "\\<\\([[:upper:]][[:alpha:]]+\\)\\>\\(?:%s\\)?"
           (regexp-quote hywiki-file-extension))
@@ -940,21 +944,21 @@ valid values."
 ;;;###autoload
 (define-minor-mode hywiki-mode
   "Toggle HyWiki global minor mode with \\[hywiki-mode].
-HyWiki minor mode automatically highlights and turns HyWikiWord references
-into Hyperbole implicit buttons that either link to HyWiki pages or activate
-typed referents such as bookmarks.
+HyWiki minor mode automatically highlights and turns HyWikiWord
+references into Hyperbole implicit buttons that either link to HyWiki
+pages or activate typed referents such as bookmarks.
 
-HyWiki minor mode has three states as tracked by the `hywiki-mode' variable,
-with the default state when interactively enabled set by the value of
-`hywiki-default-mode':
+HyWiki minor mode has three states as tracked by the `hywiki-mode'
+variable, with the default state when interactively enabled set by the
+value of `hywiki-default-mode':
 
   - :all   - highlight HyWikiWords in all editable buffers except those
              with a major mode in `hypb:exclude-major-modes'; also
              enable `hyperbole-mode' minor mode if off.
 
   - :pages - highlight HyWikiWords in HyWiki pages only (Org files in
-             `hywiki-directory'); also enable `hyperbole-mode' minor mode
-             if off. (default)
+             `hywiki-directory'); also enable `hyperbole-mode' minor
+             mode if off. (default)
 
   - nil    - no highlighting, the `hywiki-mode' is disabled.
 
@@ -964,10 +968,10 @@ HyWikiWord references may also include optional suffixes:
     other outline file.  Spaces in the headline must be converted
     to dash characters for proper recognition;
 
-  - optionally followed by :L<line-number>:C<column-number>
-    where the column part is also optional.  If a section is
-    given, the line number is relative to the section and the
-    section headline is line 1.
+  - optionally followed by :L<line-number>:C<column-number> where the
+    column part is also optional.  If a section is given, the line
+    number is relative to the section and the section headline is line
+    1.
 
 See the Info documentation at \"(hyperbole)HyWiki\".
 
@@ -984,24 +988,27 @@ See the Info documentation at \"(hyperbole)HyWiki\".
     (pcase arg
      (:all (progn
              ;; Enable across all editable buffers
-             ;; Need hyperbole-mode
+             ;; Need `hyperbole-mode'
              (unless hyperbole-mode
 	       (hyperbole-mode 1))
              (hywiki-word-set-auto-highlighting hywiki--prior-mode arg)
              (setq hywiki-mode arg)))
      ('nil (progn
-            ;; Disable across all editable buffers.
-            ;; Dehighlight HyWikiWords in this buffer when 'hywiki-mode' is
-            ;; disabled and this is not a HyWiki page buffer. If this is a
-            ;; HyWiki page buffer, then dehighlight when `hywiki-mode' is nil.
+             ;; Disable across all editable buffers.
+
+             ;; Dehighlight HyWikiWords in this buffer when
+             ;; 'hywiki-mode' is disabled and this is not a HyWiki page
+             ;; buffer. If this is a HyWiki page buffer, then
+             ;; dehighlight when `hywiki-mode' is nil.
             (hywiki-word-set-auto-highlighting hywiki--prior-mode arg)
             (setq hywiki-mode arg)))
      (:pages (progn
                ;; Enable in HyWiki page buffers only
-               ;; Need hyperbole-mode
+               ;; Need `hyperbole-mode'
                (unless hyperbole-mode
 	         (hyperbole-mode 1))
-               (hywiki-word-set-auto-highlighting hywiki--prior-mode arg)
+               (hywiki-word-set-auto-highlighting
+                hywiki--prior-mode arg)
                (setq hywiki-mode arg))))))
 
 (defun hywiki-mode-around-advice (hywiki-mode-fn &optional to-mode)
@@ -4321,6 +4328,14 @@ For example, BASEBall would become, base-ball but BASE would become base."
     (string-trim (downcase str) "[ \t\n\r]+" (format "[%s \t\n\r]+"
                                                      separator))))
 
+;;;###autoload
+(defun hywiki-word-action-key-creation-allowed-p ()
+  "Return non-nil iff current major mode allows Action Key WikiWord creation.
+The variable, `hywiki-word-create-exclude-action-key-modes', is a list of
+modes where Action Key WikiWord creation is disabled, typically in outlining
+modes where the Action Key shows/hides nodes."
+  (not (apply #'derived-mode-p hywiki-word-create-exclude-action-key-modes)))
+
 (defun hywiki-word-activate (&optional arg)
   "Display HyWiki referent for wikiword at point.
 If referent is a non-existent HyWiki page, create it.  When this
diff --git a/kotl/EXAMPLE.kotl b/kotl/EXAMPLE.kotl
index 54391c36..37a4f06a 100644
--- a/kotl/EXAMPLE.kotl
+++ b/kotl/EXAMPLE.kotl
@@ -259,9 +259,18 @@
                toggle display of blank lines between cells as well,
                e.g. {C-u C-c C-o}.  Try it now.
 
-        3b14b. A click or press of the Action Key within a cell's body, but
-               not on a button, toggles between hiding and showing the tree
-               rooted at point.
+        3b14b. If you have enabled `hywiki-mode' with a setting of ':all'
+               buffers, then a click or a press of the Action Key on a
+               potential HyWikiWord creates and opens a blank wiki page for
+               the word.  If it already exists, then the existing page is
+               opened.
+
+        3b14c. A click or press of the Action Key anywhere else within a
+               cell's body, but not on a button, calls the value of the
+               `kotl-mode:action-key-default-function' variable, which
+               defaults to doing nothing, to avoid confusion with HyWikiWord
+               activation.  Set it to ‘kotl-mode:show-or-hide-tree’ if you
+               want the old Koutliner behavior.
 
       3b15. Cell Identifiers: Permanent ids are associated with each cell
             and can be used in hyperlinks that are maintained as cells are
@@ -489,7 +498,7 @@
 
 
 "ben" ;; kvspec:current
-78 ;; id-counter
+79 ;; id-counter
 alpha ;; label-type
 4 ;; label-min-width
 ". " ;; label-separator
@@ -497,7 +506,7 @@ alpha ;; label-type
 
 ;; depth-first kcell attributes
 [[0
-  (creator "rsw@gnu.org" create-time "20231105:21:29:07" id-counter 78)]
+  (creator "rsw@gnu.org" create-time "20231105:21:29:07" id-counter 79)]
  [2
   (creator "rsw@gnu.org" create-time "20231105:21:29:07")]
  [3
@@ -558,6 +567,8 @@ alpha ;; label-type
   (creator "rsw@gnu.org" create-time "20231105:21:29:07")]
  [24
   (creator "rsw@gnu.org" create-time "20231105:21:29:07")]
+ [79
+  (creator "rsw@gnu.org" create-time "20261006:04:24:06")]
  [25
   (creator "rsw@gnu.org" create-time "20231105:21:29:07")]
  [26
diff --git a/kotl/kcell.el b/kotl/kcell.el
index 0e9c67b8..9ff318f1 100644
--- a/kotl/kcell.el
+++ b/kotl/kcell.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:     1-May-93
-;; Last-Mod:     31-Jul-25 at 20:35:20 by Mats Lidell
+;; Last-Mod:      5-Oct-26 at 15:40:43 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -198,7 +198,7 @@ Augment capabilities not yet implemented and ignored for now:
 		     (concat idstamp-string kviewspec)
 		   (string-to-number idstamp-string))
 	       kviewspec)))))
-	
+
 (defun kcell:remove-attr (kcell attribute)
   "Remove KCELL's ATTRIBUTE, if any, and return modified KCELL."
   (let ((tail kcell)
@@ -237,12 +237,14 @@ Augment capabilities not yet implemented and ignored for now:
   "Given a kotl CELL and IDSTAMP (an integer), return a kcell-data structure.
 If CELL, its idstamp, or its property list are nil, this repairs the cell by
 assuming it is the cell at point and filling in the missing information."
-   (let ((plist (kcell:plist cell)))
-     (if (and cell idstamp plist)
-	 (vector idstamp plist)
-       (kcell-data:create
-	(kcell:create plist)
-	(or idstamp (kview:id-increment kotl-kview))))))
+  (if (kview:is-p kotl-kview)
+      (let ((plist (kcell:plist cell)))
+        (if (and cell idstamp plist)
+	    (vector idstamp plist)
+          (kcell-data:create
+	   (kcell:create plist)
+	   (or idstamp (kview:id-increment kotl-kview)))))
+    (error "(kcell-data:create): Invalid `kotl-kview': %S" kotl-kview)))
 
 (defun kcell-data:idstamp (kcell-data)
   (aref kcell-data 0))
diff --git a/kotl/kotl-mode.el b/kotl/kotl-mode.el
index 107a59bd..5a327a35 100644
--- a/kotl/kotl-mode.el
+++ b/kotl/kotl-mode.el
@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:    6/30/93
-;; Last-Mod:      1-Oct-26 at 18:31:22 by Bob Weiner
+;; Last-Mod:      5-Oct-26 at 23:36:48 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -41,6 +41,17 @@
 ;;; Public variables
 ;;; ************************************************************************
 
+(defcustom kotl-mode:action-key-default-function #'ignore
+  "Function run by the Action Key in `kotl-mode' when no other context matches.
+Set it to `kotl-mode:show-or-hide-tree' if you want the old Koutliner behavior."
+  :type 'function
+  :group 'hyperbole-koutliner)
+
+(defcustom kotl-mode:assist-key-default-function #'ignore
+  "Function run by the Assist Key in `kotl-mode' when no other context matches.
+Set it to `smart-scroll-down' if you want the old Koutliner behavior."
+  :type 'function
+  :group 'hyperbole-koutliner)
 
 ;; Derived from `org-cycle-emulate-tab'
 (defcustom kotl-mode:emulate-tab nil
@@ -53,12 +64,12 @@ t           - Everywhere except in headlines
 exc-hl-bol  - Everywhere except at the start of a headline
 If <tab> is used in a place where it does not emulate global <tab>, the
 value of `kotl-mode:tab-flag' determines what it does."
-  :group 'hyperbole-koutliner
   :type '(choice (const :tag "Never" nil)
 		 (const :tag "Only in completely white lines" white)
 		 (const :tag "Before first char in a line" whitestart)
 		 (const :tag "Everywhere except in headlines" t)
-		 (const :tag "Everywhere except at bol in headlines" exc-hl-bol)))
+		 (const :tag "Everywhere except at bol in headlines" exc-hl-bol))
+  :group 'hyperbole-koutliner)
 
 (defcustom kotl-mode:indent-tabs-mode t
   "Non-nil means {\\[kotl-mode:tab-command]} may insert literal tab characters.
@@ -2660,46 +2671,47 @@ With optional NEXT-CHAR-VISIBLE, return t only if the following char is visible.
 ;;; ------------------------------------------------------------------------
 
 (defun kotl-mode:action-key ()
-  "Collapses, expands, links to, and scrolls through koutline cells.
-Invoked via a key press when in kotl-mode.  It assumes that its caller has
-already checked that the key was pressed in an appropriate buffer and has
-moved the cursor to the selected buffer.
+  "Collapse, expand, link to, or scroll through koutline cells.
+Invoke via a key press when in kotl-mode.  Assume that caller has
+checked that the key was pressed in an appropriate buffer and has moved
+the cursor to the selected buffer.
 
 If key is pressed:
  (1) at the end of buffer, uncollapse and unhide all cells in view;
  (2) at the end of a visible line, call the `action-key-eol-function';
- (3) between cells or within the read-only indentation region to the left of
-     a cell, then move point to prior location and begin creation of a
-     klink to some other outline cell; press the Action Key twice to select the
-     link referent cell;
+ (3) between cells or within the read-only indentation region to the
+     left of a cell, then move point to prior location and begin
+     creation of a klink to some other outline cell; press the Action
+     Key twice to select the link referent cell;
  (4) on a | character within an Org-style table, toggle Org Table minor mode;
  (5) in an Org-style table, wrap the table cell or region;
- (6) within a cell, if its subtree is hidden then show it, otherwise hide it."
+ (6) within a kcell, call the value of `kotl-mode:action-key-default-function',
+     which defaults to doing nothing."
   (interactive)
-  (cond	((kotl-mode:eobp) (kotl-mode:show-all))
-	((kotl-mode:eolp t) (funcall action-key-eol-function))
-	((not (kview:valid-position-p))
-	 (if (markerp action-key-depress-prev-point)
-	     (progn (select-window
-		     (get-buffer-window
-		      (marker-buffer action-key-depress-prev-point)))
-		    (goto-char (marker-position action-key-depress-prev-point))
-		    (call-interactively 'klink:create))
-	   (kotl-mode:to-valid-position)
-	   (error "(kotl-mode:action-key): Action Key released at invalid position")))
-	((and (/= (point) (point-max)) (= (following-char) ?|)
-	      (or (org-at-table-p t) (looking-at "[| \t]+$")))
-	 ;; On a | separator in a table, toggle Org table minor mode
-	 (orgtbl-mode 'toggle)
-	 (message "Org table minor mode %s" (if orgtbl-mode "enabled" "disabled")))
-	((org-at-table-p t)
-	 ;; Wrap the table cell or region
-	 (org-table-wrap-region current-prefix-arg))
-	(t ;; On a cell line (not at the end of line).
-	 (if (kotl-mode:tree-collapsed-p)
-	     (kotl-mode:show-tree)
-	   (kotl-mode:hide-tree))))
-  (kotl-mode:to-valid-position))
+  (unwind-protect
+      (cond ((kotl-mode:eobp) (kotl-mode:show-all))
+	    ((kotl-mode:eolp t) (funcall action-key-eol-function))
+	    ((not (kview:valid-position-p))
+	     (if (markerp action-key-depress-prev-point)
+	         (progn (select-window
+		         (get-buffer-window
+		          (marker-buffer action-key-depress-prev-point)))
+		        (goto-char (marker-position action-key-depress-prev-point))
+		        (call-interactively 'klink:create))
+	       (kotl-mode:to-valid-position)
+	       (error "(kotl-mode:action-key): Action Key released at invalid position")))
+	    ((and (/= (point) (point-max)) (= (following-char) ?|)
+	          (or (org-at-table-p t) (looking-at "[| \t]+$")))
+	     ;; On a | separator in a table, toggle Org table minor mode
+	     (orgtbl-mode 'toggle)
+	     (message "Org table minor mode %s" (if orgtbl-mode "enabled" "disabled")))
+	    ((org-at-table-p t)
+	     ;; Wrap the table cell or region
+	     (org-table-wrap-region current-prefix-arg))
+	    (t ;; Within a cell line (not at the end of line).
+             (when (fboundp kotl-mode:action-key-default-function)
+	       (funcall kotl-mode:action-key-default-function))))
+    (kotl-mode:to-valid-position)))
 
 (defun kotl-mode:assist-key ()
   "Displays properties of koutline cells, collapses all cells, and scrolls back.
@@ -2717,27 +2729,30 @@ If assist-key is pressed:
      a cell, then move point to prior location and prompt to move one tree to
      a new location in the outline; press the Action Key twice to select the
      tree to move and where to move it;
- (5) anywhere else, invoke `smart-scroll-down', typically to scroll down a
-     windowful."
+ (5) anywhere else within a kcell, call the value of
+     `kotl-mode:assist-key-default-function', which defaults to doing nothing."
   (interactive)
-  (cond ((kotl-mode:eobp) (kotl-mode:overview))
-	((kotl-mode:eolp t) (funcall assist-key-eol-function))
-	((not (kview:valid-position-p))
-	 (if (markerp assist-key-depress-prev-point)
-	     (progn (select-window
-		     (get-buffer-window
-		      (marker-buffer assist-key-depress-prev-point)))
-		    (goto-char (marker-position
-				assist-key-depress-prev-point))
-		    (call-interactively 'kotl-mode:move-after))
-	   (kotl-mode:to-valid-position)
-	   (error "(kotl-mode:assist-key): Help Key released at invalid position")))
-	((not (bolp))
-	 ;; On an outline header line but not at the start/end of line,
-	 ;; show attributes for tree at point.
-	 (kotl-mode:cell-help (kcell-view:label) (or current-prefix-arg 2)))
-	((smart-scroll-down)))
-  (kotl-mode:to-valid-position))
+  (unwind-protect
+      (cond ((kotl-mode:eobp) (kotl-mode:overview))
+	    ((kotl-mode:eolp t) (funcall assist-key-eol-function))
+	    ((not (kview:valid-position-p))
+	     (if (markerp assist-key-depress-prev-point)
+	         (progn (select-window
+		         (get-buffer-window
+		          (marker-buffer assist-key-depress-prev-point)))
+		        (goto-char (marker-position
+				    assist-key-depress-prev-point))
+		        (call-interactively 'kotl-mode:move-after))
+	       (kotl-mode:to-valid-position)
+	       (error "(kotl-mode:assist-key): Help Key released at invalid position")))
+	    ((not (bolp))
+	     ;; On an outline header line but not at the start/end of line,
+	     ;; show attributes for tree at point.
+	     (kotl-mode:cell-help (kcell-view:label) (or current-prefix-arg 2)))
+	    (t ;; Within a cell line (not at the end of line).
+             (when (fboundp kotl-mode:assist-key-default-function)
+	       (funcall kotl-mode:assist-key-default-function))))
+    (kotl-mode:to-valid-position)))
 
 ;;; ------------------------------------------------------------------------
 ;;; Structure Editing
@@ -3869,6 +3884,13 @@ With optional SHOW-FLAG, expand the tree instead."
 	   (setq start (1- (point))))
       (outline-flag-region start end (not show-flag)))))
 
+;;;###autoload
+(defun kotl-mode:show-or-hide-tree ()
+  "Show all of the tree at point when collapsed, else collapse it to one line."
+  (if (kotl-mode:tree-collapsed-p)
+      (kotl-mode:show-tree)
+    (kotl-mode:hide-tree)))
+
 ;;;###autoload
 (defun kotl-mode:show-tree (&optional cell-ref)
   "Display fully expanded tree rooted at CELL-REF."
diff --git a/man/hyperbole.info b/man/hyperbole.info
index 760c0eea..e3b7653e 100644
Binary files a/man/hyperbole.info and b/man/hyperbole.info differ
diff --git a/man/hyperbole.texi b/man/hyperbole.texi
index 2c665d02..6a88b341 100644
--- a/man/hyperbole.texi
+++ b/man/hyperbole.texi
@@ -7,7 +7,7 @@
 @c Author:       Bob Weiner
 @c
 @c Orig-Date:     6-Nov-91 at 11:18:03
-@c Last-Mod:      3-Oct-26 at 12:17:59 by Bob Weiner
+@c Last-Mod:      6-Oct-26 at 00:08:28 by Bob Weiner
 
 @c %**start of header (This is for running Texinfo on a region.)
 @setfilename hyperbole.info
@@ -30,7 +30,7 @@
 @set txicodequoteundirected
 @set txicodequotebacktick
 
-@set UPDATED October 3, 2026
+@set UPDATED October 6, 2026
 @set UPDATED-MONTH October 2026
 @set EDITION 9.2.0
 @set VERSION 9.2.0
@@ -171,7 +171,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</P>
 
 <PRE>
 Edition 9.1.0
-Printed October 3, 2026.
+Printed October 6, 2026.
 
   Published by the Free Software Foundation, Inc.
   Author:    Bob Weiner
@@ -213,7 +213,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 @example
 Edition 9.1.0
-October 3, 2026 @c AUTO-REPLACE-ON-SAVE
+October 6, 2026 @c AUTO-REPLACE-ON-SAVE
 
 
   Published by the Free Software Foundation, Inc.
@@ -2430,8 +2430,8 @@ priority).
 @cindex Action Key, Org Mode
 @cindex Assist Key, Org Mode
 @item smart-org
-@code{smart-org} is not an actual implicit button type, just an Elisp function,
-but it behaves similarly, so it is documented here.
+@code{smart-org} is not an actual implicit button type, just an Elisp
+function, but it behaves similarly, so it is documented here.
 
 Hyperbole recognizes Org mode constructs in any of these modes:
 @code{org-mode}, @code{org-agenda-mode}, @code{outshine-mode}
@@ -2486,8 +2486,9 @@ or #+end_example header, execute the code block via the Org mode
 standard binding of @bkbd{C-c C-c}, @code{org-ctrl-c-ctrl-c}.
 
 @item
-With point on an Org mode heading, cycle the view of the subtree at
-point.
+With point on an Org mode heading but not a Hyperbole button, call the
+function given by the @code{smart-org-action-key-heading-function}
+variable, which defaults to doing nothing.
 
 @item
 In any other context besides the end of a line, invoke the Org mode
@@ -2529,8 +2530,9 @@ With point on any #+BEGIN_SRC, #+END_SRC, #+RESULTS, #+begin_example
 or #+end_example header, remove any associated results.
 
 @item
-Not on a Hyperbole button but on an Org mode heading, cycle
-through views of the whole buffer outline.
+With point on an Org mode heading but not a Hyperbole button, call the
+function given by the @code{smart-org-assist-key-heading-function}
+variable, which defaults to doing nothing.
 @end enumerate
 
 @vindex hsys-org-enable-smart-keys
@@ -2621,8 +2623,13 @@ minibuffer or the other window.
 @cindex hywiki existing word
 @anchor{hywiki-existing-word}
 @item hywiki-existing-word
-When on a HyWikiWord with an existing page, display its page and
-optional section.
+When on a HyWikiWord with an existing referent, display the referent.
+This is the Action Key function that activates existing HyWikiWords.
+Calls to @code{(hywiki-active-in-current-buffer-p)} and @code{(not
+(hywiki-non-hook-context-p))} must return non-nil for this to activate.
+
+Potential, not-yet-existing HyWikiWords are handled by the implicit
+button type, @pxref{hywiki-word}.
 
 @findex ibtypes ilink
 @cindex implicit button link
@@ -3212,8 +3219,21 @@ source reference line again.
 @cindex hywiki word
 @anchor{hywiki-word}
 @item hywiki-word
-When on a HyWikiWord, display its page and optional section.  If the
-associated HyWiki page does not exist, create it automatically.
+When on a non-existing HyWikiWord, create it and display its referent.
+This is the Action Key function that creates HyWikiWords.  Calls to
+@code{(hywiki-word-action-key-creation-allowed-p)},
+@code{(hywiki-active-in-current-buffer-p)} and
+@code{(not (hywiki-non-hook-context-p))} must return non-nil for this to
+activate.  If the associated HyWiki page does not exist, create it
+automatically.
+
+If the associated HyWiki referent is a page, create it automatically
+unless it is the first HyWiki page to be created, in which case,
+prompt the user whether to create it, to prevent any unexpected HyWiki
+use.
+
+Existing HyWikiWords are handled by the implicit button type,
+@pxref{hywiki-existing-word}.
 
 @findex ibtypes hynote-file
 @findex hywiki-active-in-current-buffer-p
@@ -4703,10 +4723,11 @@ editing.
 @cindex HyWiki Action Key
 @cindex Action Key, HyWiki
 The Action Key, @bkbd{M-@key{RET}}, provides a faster way to create
-HyWikiWords to speed your note-taking, if you let HyWiki have priority
-over this key rather than having Org mode split lines and create new
-headlines when on a HyWikiWord.  Simply have Hyperbole override Org's
-control of that key in all Action and Assist Key contexts with the
+HyWikiWords to speed your note-taking in many text and programming
+modes, if you let HyWiki have priority over this key rather than
+having Org mode split lines and create new headlines when on a
+HyWikiWord.  Simply have Hyperbole override Org's control of that key
+in all Action and Assist Key contexts with the
 @samp{All-Hyperbole-Contexts} setting bound to @bkbd{C-h h h o a}.
 This sets the persistent customization option,
 @code{hsys-org-enable-smart-keys} to @samp{t} across all your Emacs
@@ -4816,20 +4837,12 @@ that they trigger only when other types are not recognized first.
 
 @table @code
 @item hywiki-existing-word
-On a HyWikiWord with an existing referent, display the referent.  A
-call to @code{(hywiki-active-in-current-buffer-p)} must return
-non-@samp{nil} for this to activate.
+On a HyWikiWord with an existing referent, display the referent.
+@xref{hywiki-existing-word}.
 
 @item hywiki-word
-When on a non-existing HyWikiWord, create it and display its referent.
-This is the Action Key function that activates HyWikiWords.  A call to
-@code{(hywiki-active-in-current-buffer-p)} must return non-@samp{nil}
-for this to activate.
-
-If the associated HyWiki referent is a page, create it automatically
-unless it is the first HyWiki page to be created, in which case,
-prompt the user whether to create it, to prevent any unexpected HyWiki
-use.
+On a non-existing HyWikiWord, create it and display its referent.
+@xref{hywiki-word}.
 @end table
 
 @node HyWiki Mode, Publishing a HyWiki, HyWikiWords, HyWiki
@@ -6814,10 +6827,21 @@ between cells.
 @cindex cell, collapse
 @cindex cell, expand
 @kindex koutliner, M-@key{RET}
+@vindex kotl-mode:action-key-default-function
 A click or a press of the Action Key within a cell's body, but not on a
-Hyperbole button, toggles between hiding and showing the tree rooted at
-point.  Try it with either your mouse or with @bkbd{M-@key{RET}}.
-
+Hyperbole button, runs the function stored in the variable, 
+@code{kotl-mode:action-key-default-function}, which by default does nothing.
+
+@cindex koutliner, hide/show tree
+In prior Koutliner versions, this would toggle between showing and
+hiding the tree at point; however,now you can use the Org-style tree
+visibility cycling on @bkbd{@key{TAB}} instead.  If you prefer the
+prior behavior, uncomment the setting for that variable near the
+bottom of the Hyperbole @file{man/use-package} reference file when you
+add it to your persnal init file.  Note, however, that if
+@code{hywiki-mode} is set to @samp{:all} then when point is on a
+capitalized word in a Koutline, an Action Key press will create a new
+HyWiki page, as that has higher priority than this setting.
 
 @node View Specs,  , Hiding and Showing, Viewing Outlines
 @subsection  View Specs
@@ -11224,62 +11248,76 @@ When company-mode is active:
 @subsection Smart Key - Org Mode
 
 @vindex hsys-org-enable-smart-keys
+@findex hsys-org-agenda-tags-p
 @cindex Org mode
 @format
 @group
 When in an Org mode context and @code{hsys-org-enable-smart-keys} is non-nil:
   ACTION KEY
-     (1) If on an Org todo keyword, cycle through the keywords in
+     (1) If on an Org tag, call @code{hsys-org-agenda-tags-p} and an
+         appropriate view tags function based on current directory or
+         buffer name, matching to the tag.  If on a colon between
+         tags, match to all tags on the line.
+
+     (2) If on an Org todo keyword, cycle through the keywords in
          that set or if final done keyword, remove it.
 
-     (2) If on an Org agenda view item, jump to the item for editing.
+     (3) If on an Org agenda view item, jump to the item for editing.
 
-     (3) Within a radio or internal target or a link to it, jump between
+     (4) Within a radio or internal target or a link to it, jump between
          the target and the first link to it, allowing two-way navigation.
 
-     (4) Follow other internal links and ID references in Org mode files.
+     (5) Follow other internal links and ID references in Org mode files.
 
-     (5) Follow Org mode external links.
+     (6) Follow Org mode external links.
 
-     (6) When on a Hyperbole button, activate the button.
+     (7) When on a Hyperbole button, activate the button.
 
-     (7) With point on the :dir path of a code block definition, display the
+     (8) With point on the :dir path of a code block definition, display the
          directory given by the path.
 
-     (8) With point on any #+BEGIN_SRC, #+END_SRC, #+RESULTS, #+begin_example
+     (9) With point on any #+BEGIN_SRC, #+END_SRC, #+RESULTS, #+begin_example
          or #+end_example header, execute the code block via the Org mode
          standard binding of @bkbd{C-c C-c}, @code{org-ctrl-c-ctrl-c}.
 
-     (9) When point is on an Org mode heading, cycle the view of the subtree
-         at point.
+     (10) With point on an Org mode heading but not a Hyperbole button, call
+         the function given by the @code{smart-org-action-key-heading-function}
+         variable, which defaults to doing nothing.
 
-     (10) In any other context besides the end of a line, invoke the Org mode
+     (11) In any other context besides the end of a line, invoke the Org mode
           standard binding of @bkbd{M-@key{RET}}, @code{org-meta-return}.
 @end group
 @end format
 
+@findex hsys-consult-org-grep-tags-p
 @format
 @group
    When the ASSIST KEY is pressed, it behaves just like the Action Key except
    in these contexts:
 
-     (1) If on an Org todo keyword, move to the first todo keyword in
+     (1) If on an Org tag, call @code{hsys-consult-org-grep-tags-p} and an
+         appropriate consult grep function based on current directory
+         or buffer name, prompting with and matching to the tag.  If on a
+         colon between tags, prompt and match to all tags on the line.
+
+     (2) If on an Org todo keyword, move to the first todo keyword in
          the next set, if any.
 
-     (2) If on an Org mode link, ID reference or agenda view item, display
-         Hyperbole context-sensitive help.
+     (3) If on an Org mode link or agenda view item, display Hyperbole
+         context-sensitive help.
 
-     (3) On a Hyperbole button, perform the Assist Key function, generally
+     (4) On a Hyperbole button, perform the Assist Key function, generally
          showing help for the button.
 
-     (4) With point on the :dir value of a code block definition, display
+     (5) With point on the :dir value of a code block definition, display
          a help summary of this implicit directory button.
 
-     (5) With point on any #+BEGIN_SRC, #+END_SRC, #+RESULTS, #+begin_example
+     (6) With point on any #+BEGIN_SRC, #+END_SRC, #+RESULTS, #+begin_example
          or #+end_example header, remove source block results.
 
-     (6) Not on a Hyperbole button but on an Org mode heading, cycle
-         through views of the whole buffer outline.
+     (7) With point on an Org mode heading but not a Hyperbole button, call
+         the function given by the @code{smart-org-assist-key-heading-function}
+         variable, which defaults to doing nothing.
 @end group
 @end format
 
@@ -11728,6 +11766,7 @@ When pressed within an occur-mode, moccur-mode or amoccur-mode buffer:
 
 @node Smart Key - The Koutliner, Smart Key - Flymake Mode, Smart Key - Occurrence Matches, Smart Keyboard Keys
 @subsection Smart Key - The Koutliner
+@vindex kotl-mode:action-key-default-function
 @format
 @group
 When pressed within a Hyperbole Koutliner buffer (kotl-mode):
@@ -11742,10 +11781,11 @@ When pressed within a Hyperbole Koutliner buffer (kotl-mode):
      (4) on a | character within an Org-style table, toggle Org Table minor
          mode;
      (5) in an Org-style table, wrap the table cell or region;
-     (6) within a cell, if its subtree is hidden then shows it,
-         otherwise hides it.
+     (6) within a cell, call the value of @code{kotl-mode:action-key-default-function},
+         which defaults to doing nothing.
 @end group
 @end format
+@vindex kotl-mode:assist-key-default-function
 @format
 @group
   ASSIST KEY
@@ -11759,6 +11799,8 @@ When pressed within a Hyperbole Koutliner buffer (kotl-mode):
          left of a cell, prompts to move one tree to a new location in
          the outline; press the Action Key twice to select the tree to
          move and where to move it.
+     (5) anywhere else within a kcell, call the value of
+         @code{kotl-mode:assist-key-default-function}, which defaults to doing nothing.
 @end group
 @end format
 
diff --git a/man/use-package b/man/use-package
index 9dadb164..a1905242 100644
--- a/man/use-package
+++ b/man/use-package
@@ -1,5 +1,11 @@
 ;;; use-package --- Hyperbole use-package reference configuration   -*- mode: emacs-lisp; lexical-binding: t; -*-
 
+;; NOTE: If you use Emacs 28 or earlier, you'll need to install the
+;; `use-package' Emacs package before using this configuration file
+;; since it is not built-in to your Emacs.
+
+;; -----------------------------------------------------------------
+
 ;; Default values herein represent the settings Hyperbole will default
 ;; to if not set within this `use-package' configuration.
 (use-package hyperbole
@@ -93,4 +99,17 @@
   ;;   t   - may insert literal <tab> characters. (default)
   ;;
   ;;   nil - may insert <spc> characters only.
-  (kotl-mode:indent-tabs-mode t))
+  (kotl-mode:indent-tabs-mode t)
+
+  ;; Prior to the addition of Org-style visibility cycling to the
+  ;; Koutliner on the TAB key, a press of the Action Key on a Koutline
+  ;; cell line used to toggle showing/hiding the tree rooted at point.
+  ;; Today, this does nothing.
+  ;;
+  ;; Uncomment the next expression if you prefer the prior behavior
+  ;; but note that if `hywiki-mode' is set to `:all' when point is on
+  ;; a capitalized word, an Action Key press will create a new HyWiki
+  ;; page, as that has higher priority than this setting.
+  ;;
+  ;; (kotl-mode:action-key-default-function 'kotl-mode:show-or-hide-tree)
+  )
diff --git a/test/demo-tests.el b/test/demo-tests.el
index 4080b5f9..e8bcb509 100644
--- a/test/demo-tests.el
+++ b/test/demo-tests.el
@@ -3,7 +3,7 @@
 ;; Author:       Mats Lidell <matsl@gnu.org>
 ;;
 ;; Orig-Date:    30-Jan-21 at 12:00:00
-;; Last-Mod:     30-Sep-26 at 17:04:16 by Bob Weiner
+;; Last-Mod:      6-Oct-26 at 01:07:57 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -266,7 +266,8 @@
     ;; Without this next let, default Org behavior may occur which
     ;; inserts a new heading when org-meta-return is called rather
     ;; than collapsing the existing tree of headings.
-    (let ((hsys-org-enable-smart-keys t))
+    (let ((hsys-org-enable-smart-keys t)
+          (smart-org-action-key-heading-function 'org-fold-hide-subtree))
       (insert "* 1\n** 2\n*** 3\n")
       (goto-char 1)
       (should (not (org-check-for-hidden 'headlines)))
diff --git a/test/kotl-mode-tests.el b/test/kotl-mode-tests.el
index a00086d2..4389d719 100644
--- a/test/kotl-mode-tests.el
+++ b/test/kotl-mode-tests.el
@@ -3,7 +3,7 @@
 ;; Author:       Mats Lidell <matsl@gnu.org>
 ;;
 ;; Orig-Date:    18-May-21 at 22:14:10
-;; Last-Mod:     29-Sep-26 at 02:56:59 by Bob Weiner
+;; Last-Mod:      6-Oct-26 at 00:37:17 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -681,7 +681,8 @@
 
 (ert-deftest kotl-mode-hide-cell ()
   "Verify cell is hidden and unhidden on `action-key' press."
-  (let ((kotl-file (make-temp-file "hypb" nil ".kotl")))
+  (let ((kotl-file (make-temp-file "hypb" nil ".kotl"))
+        (kotl-mode:action-key-default-function 'kotl-mode:show-or-hide-tree))
     (unwind-protect
         (progn
           (find-file kotl-file)
diff --git a/test/smart-org-tests.el b/test/smart-org-tests.el
index 816524a1..cca7ad53 100644
--- a/test/smart-org-tests.el
+++ b/test/smart-org-tests.el
@@ -3,7 +3,7 @@
 ;; Author:       Mats Lidell <matsl@gnu.org>
 ;;
 ;; Orig-Date:    23-Apr-21 at 22:21:00
-;; Last-Mod:     14-Jul-26 at 01:12:06 by Bob Weiner
+;; Last-Mod:      6-Oct-26 at 01:15:43 by Bob Weiner
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -30,7 +30,8 @@
   "With smart keys on an outline header `smart-org' cycles visibility."
   (with-temp-buffer
     (let ((bn (buffer-name))
-          (hsys-org-enable-smart-keys t))
+          (hsys-org-enable-smart-keys t)
+          (smart-org-action-key-heading-function 'org-cycle))
       (org-mode)
       (insert "* 1\n** 2\n*** 3\n")
       (goto-char 1)