diff --git a/src/keyboard/ergodox/layout/qwerty.c b/src/keyboard/ergodox/layout/qwerty.c
index c77cdf8..1e5490d 100644
--- a/src/keyboard/ergodox/layout/qwerty.c
+++ b/src/keyboard/ergodox/layout/qwerty.c
@@ -26,7 +26,9 @@
 #define f_l_iex &kbfun_layer_inc_exec
 #define f_l_dex &kbfun_layer_dec_exec
 #define f_2kcap &kbfun_2_keys_capslock_press_release
-#define f_lm_nu &kbfun_layermask_numpad_press_release
+#define f_np_to &kbfun_layermask_numpad_toggle
+#define f_np_on &kbfun_layermask_numpad_on
+#define f_np_of &kbfun_layermask_numpad_off
 #define f_btldr &kbfun_jump_to_bootloader
 
 
@@ -69,7 +71,7 @@ _ctrlR,     _enter,
                                                        _end, _home,  _altL,
 // right hand
       _F12,        _F6,     _F7,        _F8,        _F9,          _F10, 0,
-         0,          0,   _dash,     _lt_kp,     _gt_kp, _currencyUnit, 0,
+         2,          0,   _dash,     _lt_kp,     _gt_kp, _currencyUnit, 0,
             _backslash,       0, _parenL_kp, _parenR_kp,        _equal, 0,
          0,    _mul_kp,       0,          0,          0,             0, 0,
                         _arrowL,    _arrowD,    _arrowU,       _arrowR, 0,
@@ -134,14 +136,14 @@ NULL,
 f_btldr,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
 f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
 f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
-f_lm_nu,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,   NULL,
+f_np_on,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,   NULL,
 f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
                                            f_prrel,
                                            f_prrel,  f_prrel,
                                        f_prrel,f_prrel,f_prrel,
 // right hand
        f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
-       f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
+       f_np_to,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
                f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
           NULL,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
                        f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
@@ -205,14 +207,14 @@ NULL,
    NULL,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
 f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
 f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
-f_lm_nu,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,   NULL,
+f_np_of,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,   NULL,
 f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
                                            f_prrel,
                                            f_prrel,  f_prrel,
                                        f_prrel,f_prrel,f_prrel,
 // right hand
        f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
-       f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
+          NULL,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
                f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
           NULL,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
                        f_prrel,f_prrel,f_prrel,f_prrel,f_prrel,
@@ -254,10 +256,10 @@ f_l_dec,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
 f_l_iex,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
 f_l_dex,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
 f_2kcap,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
-f_lm_nu,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
-f_btldr,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
-   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
-   NULL,   NULL,   NULL,   NULL,   NULL,   NULL          )
+f_np_to,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
+f_np_on,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
+f_np_of,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
+f_btldr,   NULL,   NULL,   NULL,   NULL,   NULL          )
 // ----------------------------------------------------------------------------
 };
 
diff --git a/src/lib/data-types/linked-list.c b/src/lib/data-types/linked-list.c
index 9528132..20f7141 100644
--- a/src/lib/data-types/linked-list.c
+++ b/src/lib/data-types/linked-list.c
@@ -39,63 +39,154 @@ _list_t * linked_list_new(void) {
 	list->head = NULL;
 	list->tail = NULL;
 
-	list->number_of_elements = 0;
+	list->length = 0;
 	return list;
 }
 
 /*
- * add_head()
+ * insert()
+ *
+ * Arguments
+ * - index: the index of the position that the new node will occupy.  if index
+ *   is negative, we set index += length (as in Python).  so:
+ *     -  0 => the first node in the list
+ *     -  1 => the second node in the list
+ *     - -1 => the last node in the list
+ *     - -2 => the second from the last node in the list
+ *   - '0' is undefined (returns 'failure')
+ *   - out of bounds positions wrap around, so:
+ *     -  [length]   =>  0 => the first node in the list
+ *     - -[length+1] => -1 => the last node in the list
  *
  * Returns
  * - success: the pointer to the list that was passed
  * - failure: NULL
  */
-_list_t * linked_list_add_head(_list_t * list, _data_t data) {
+_list_t * linked_list_insert(_list_t * list, _data_t data, int index) {
 	_NEW_POINTER(_node_t, node);
 	if (!node) return NULL;
 
 	node->data = data;
-	node->next = list->head;
-	list->head = node;
-	if (list->number_of_elements == 0)
-		list->tail = node;
 
-	list->number_of_elements++;
-	return list;
-}
-
-/*
- * add_tail()
- *
- * Returns
- * - success: the pointer to the list that was passed
- * - failure: NULL
- */
-_list_t * linked_list_add_tail(_list_t * list, _data_t data) {
-	_NEW_POINTER(_node_t, node);
-	if (!node) return NULL;
-
-	node->data = data;
-	node->next = NULL;
-	if (list->number_of_elements == 0)
+	if (list->length == 0) {
+		// insert as only node (no others exist yet)
 		list->head = node;
-	else
-		list->tail->next = node;
-	list->tail = node;
+		list->tail = node;
+		node->next = NULL;
+	} else {
+		// find positive, in-bounds index
+		index = index % list->length;
+		if (index < 0)
+			index += list->length;
 
-	list->number_of_elements++;
+		if (index == 0) {
+			// insert as first node
+			node->next = list->head;
+			list->head = node;
+		} else if (index == list->length-1) {
+			// insert as last node
+			list->tail->next = node;
+			list->tail = node;
+			node->next = NULL;
+		} else {
+			// insert as other node
+			_node_t * previous = list->head;
+			for (int i=1; i<index; i++)
+				previous = previous->next;
+			node->next = previous->next;
+			previous->next = node;
+		}
+	}
+
+	list->length++;
 	return list;
 }
 
+/*
+ * peek()
+ *
+ * Arguments
+ * - index: [see 'insert()']
+ *
+ * Returns
+ * - success: the data field of the node at the given index
+ * - failure: (_data_t) 0
+ */
+_data_t linked_list_peek(_list_t * list, int index) {
+	// if: no nodes exist
+	if (list->length == 0)
+		return (_data_t) 0;
+
+	// find positive, in-bounds index
+	index = index % list->length;
+	if (index < 0)
+		index += list->length;
+
+	// if: last node
+	if (index == list->length-1)
+		return list->tail->data;
+
+	// else
+	_node_t * node = list->head;
+	for (int i=0; i<index; i++)
+		node = node->next;
+	return node->data;
+}
+
+/*
+ * pop()
+ *
+ * Arguments
+ * - index: [see 'insert()']
+ *
+ * Returns
+ * - success: the data field of the node at the given index
+ * - failure: (_data_t) 0
+ */
+// TODO
+_data_t linked_list_pop(_list_t * list, int index) {
+	// if: no nodes exist
+	if (list->length == 0)
+		return (_data_t) 0;
+
+	// find positive, in-bounds index
+	index = index % list->length;
+	if (index < 0)
+		index += list->length;
+
+	// vars
+	_data_t data;
+	_node_t * node;
+
+	if (index == 0) {
+		// pop first node
+		data = list->head->data;
+		node = list->head;
+		list->head = node->next;
+	} else {
+		// find the index-1'th node, then pop the next one
+		_node_t * previous;
+		previous = list->head;
+		for (int i=1; i<index; i++)
+			previous = previous->next;
+		data = previous->next->data;
+		node = previous->next;
+		previous->next = node->next;
+	}
+
+	free(node);
+	return data;
+}
+
 /*
  * pop_head()
  *
  * Returns
- * - success: the data element of the first node of the list
+ * - success: the data field of the first node of the list
  * - failure: (_data_t) 0
  */
 _data_t linked_list_pop_head(_list_t * list) {
-	if (list->number_of_elements == 0)
+	if (list->length == 0)
 		return (_data_t) 0;
 
 	_node_t node = {
@@ -105,14 +196,14 @@ _data_t linked_list_pop_head(_list_t * list) {
 
 	free(list->head);
 
-	if (list->number_of_elements == 1) {
+	if (list->length == 1) {
 		list->head = NULL;
 		list->tail = NULL;
 	} else {
 		list->head = node.next;
 	}
 
-	list->number_of_elements--;
+	list->length--;
 	return node.data;
 }
 
@@ -120,7 +211,7 @@ _data_t linked_list_pop_head(_list_t * list) {
  * pop_tail()
  *
  * Returns
- * - success: the data element of the last node of the list
+ * - success: the data field of the last node of the list
  * - failure: (_data_t) 0
  *
  * Note
@@ -130,7 +221,7 @@ _data_t linked_list_pop_head(_list_t * list) {
  *   used all that much.  It's here for completeness.
  */
 _data_t linked_list_pop_tail(_list_t * list) {
-	if (list->number_of_elements == 0)
+	if (list->length == 0)
 		return (_data_t) 0;
 
 	_node_t node = {
@@ -140,66 +231,20 @@ _data_t linked_list_pop_tail(_list_t * list) {
 
 	free(list->tail);
 
-	if (list->number_of_elements == 1) {
+	if (list->length == 1) {
 		list->head = NULL;
 		list->tail = NULL;
 	} else {
 		list->tail = list->head;
-		for (uint8_t i=2; i<(list->number_of_elements); i++)
+		for (uint8_t i=2; i<(list->length); i++)
 			list->tail = list->tail->next;
 		list->tail->next = NULL;
 	}
 
-	list->number_of_elements--;
+	list->length--;
 	return node.data;
 }
 
-/*
- * read()
- *
- * Returns
- * - success: the data element at the given position
- * - failure: (_data_t) 0
- */
-_data_t linked_list_read(_list_t * list, uint8_t position) {
-	if (position < 1 || position > (list->number_of_elements))
-		return (_data_t) 0;
-
-	_node_t * node = list->head;
-	for (uint8_t i=1; i<position; i++)
-		node = node->next;
-
-	return node->data;
-}
-
-/*
- * insert()
- * - Insert a new node containing the given data such that it occupies the
- *   given position in the list.
- *
- * Returns
- * - success: the pointer to the list that was passed
- * - failure: NULL
- */
-_list_t * linked_list_insert(_list_t * list, _data_t data, uint8_t position) {
-	if (position < 1 || position > (list->number_of_elements)+1)
-		return NULL;
-
-	_NEW_POINTER(_node_t, new);
-	if (!new) return NULL;
-
-	_node_t * prev = list->head;
-	for (uint8_t i=0; i<position; i++)
-		prev = prev->next;
-
-	new->data = data;
-	new->next = prev->next;
-	prev->next = new;
-
-	list->number_of_elements++;
-	return list;
-}
-
 /*
  * copy()
  *
@@ -211,7 +256,7 @@ _list_t * linked_list_copy(_list_t * list) {
 	_NEW_POINTER(_list_t, copy);
 	if (!copy) return NULL;
 
-	for (uint8_t i=1; i<=(list->number_of_elements); i++)
+	for (uint8_t i=1; i<=(list->length); i++)
 		linked_list_add_tail(copy, linked_list_read(list, i));
 
 	return copy;
@@ -228,87 +273,12 @@ _list_t * linked_list_copy(_list_t * list) {
  *   that often.
  */
 void linked_list_free(_list_t * list) {
-	while ((list->number_of_elements) > 0)
+	while ((list->length) > 0)
 		linked_list_pop_head(list);
 
 	free(list);
 }
 
-/*
- * slice_copy()
- * - Return the (copied) sublist
- *
- * Arguments
- * - start_position:
- *   - the position of the first element to include in the slice
- *   - or '0' for the beginning of the list
- * - end_position:
- *   - the position of the last element to include in the slice
- *   - or '0' for the end of the list
- *
- * Returns
- * - success: a copy of the portion of the list indicated
- * - failure: NULL
- */
-_list_t * linked_list_slice_copy (
-		_list_t * list,
-		uint8_t start_position,
-		uint8_t end_position ) {
-
-	if ( start_position > end_position ||
-	     end_position > (list->number_of_elements) )
-		return NULL;
-
-	if (start_position == 0)
-		start_position = 1;
-	if (end_position == 0)
-		end_position = list->number_of_elements;
-
-	_NEW_POINTER(_list_t, shallow_slice);
-	if (!shallow_slice) return NULL;
-
-	shallow_slice->number_of_elements = end_position - start_position + 1;
-	shallow_slice->head = list->head;
-	for (uint8_t i=1; i<start_position; i++)
-		shallow_slice->head = shallow_slice->head->next;
-	shallow_slice->tail = shallow_slice->head;
-	for (uint8_t i=1; i<(shallow_slice->number_of_elements); i++)
-		shallow_slice->tail = shallow_slice->tail->next;
-
-	return linked_list_copy(shallow_slice);
-}
-
-/*
- * slice()
- */
-_list_t * linked_list_slice (
-		_list_t * list,
-		uint8_t start_position,
-		uint8_t end_position ) {
-	// TODO
-}
-
-/*
- * remove()
- */
-_list_t * linked_list_remove(_list_t * list, uint8_t position) {
-	// TODO
-}
-
-/*
- * find_first()
- */
-uint8_t linked_list_find_first(_list_t * list, _data_t data) {
-	// TODO
-}
-
-/*
- * reverse()
- */
-_list_t * linked_list_reverse(_list_t * list) {
-	// TODO
-}
-
 
 // local macros (undefined here)
 #undef _NEW_POINTER
diff --git a/src/lib/data-types/linked-list.h b/src/lib/data-types/linked-list.h
index 56bcb88..a73ea82 100644
--- a/src/lib/data-types/linked-list.h
+++ b/src/lib/data-types/linked-list.h
@@ -26,7 +26,7 @@
 	};
 
 	struct linked_list {
-		uint8_t number_of_elements;
+		uint8_t length;
 		struct linked_list_node * head;
 		struct linked_list_node * tail;
 	};
@@ -38,27 +38,16 @@
 	// functions
 	#define  _list_t  linked_list_t
 	#define  _data_t  LINKED_LIST_DATA_TYPE
+	//  TODO
 	_list_t * linked_list_new        (void);
 	_list_t * linked_list_add_head   (_list_t * list, _data_t data);
 	_list_t * linked_list_add_tail   (_list_t * list, _data_t data);
 	_data_t   linked_list_pop_head   (_list_t * list);
 	_data_t   linked_list_pop_tail   (_list_t * list);
 	_data_t   linked_list_read       (_list_t * list, uint8_t position);
-	_list_t * linked_list_insert     ( _list_t * list,
-	                                   uint8_t position,
-	                                   _data_t data );
 	_list_t * linked_list_copy       (_list_t * list);
 	void      linked_list_free       (_list_t * list);
-
-	_list_t * linked_list_slice_copy ( _list_t * list,
-	                                   uint8_t start_position,
-	                                   uint8_t end_position );
-	_list_t * linked_list_slice      ( _list_t * list,
-	                                   uint8_t start_position,
-	                                   uint8_t end_position );
-	_list_t * linked_list_remove     (_list_t * list, uint8_t position);
-	uint8_t   linked_list_find_first (_list_t * list, _data_t data);
-	_list_t * linked_list_reverse    (_list_t * list);
+	// /TODO
 	#undef _list_t
 	#undef _data_t
 
diff --git a/src/lib/key-functions.c b/src/lib/key-functions.c
index 541c12a..c7f2e2c 100644
--- a/src/lib/key-functions.c
+++ b/src/lib/key-functions.c
@@ -353,64 +353,130 @@ void kbfun_2_keys_capslock_press_release( KBFUN_FUNCTION_ARGS ) {
 	if (pressed_) keys_pressed++;
 }
 
-/*
- * Activate Numpad
- * - Sets num-lock (on for press, off for release) and shifts (without changing
- *   the overall current layer) the layer of the keys specified in this
- *   function to the value specified in the keymap
+
+// TODO: maybe the numpad functions (and other logical sets of functions?) need
+// to be in (a) seaparate file(s).
+/* ----------------------------------------------------------------------------
+ * Numpad functions
+ * - Functions to implement an embedded numpad
  *
- * Note
- * - If a more than one layer mask of this type is used at the same time, the
+ * Notes
+ * - The numpad is toggled by shifting (without changing the overall current
+ *   layer) the layer of the keys specified in this function to the value
+ *   specified in the keymap
+ * - When the numpad is toggled, the numlock is set to on (for active) or off
+ *   (for inactive) as well
+ * - All these functions cooperate, but if more than one layer mask of this
+ *   type is used (by a different set of functions) at the same time, the
  *   second will override the first, and any keys covered by both will be reset
- *   to the overall current layer when the second is released (even if the
- *   first is still pressed)
- */
-void kbfun_layermask_numpad_press_release( KBFUN_FUNCTION_ARGS ) {
-	// define layer mask
-	bool layer_mask[KB_ROWS][KB_COLUMNS] = MATRIX_LAYER(
-			// unused
-			0,
+ *   to the overall current layer when either is released (even if the other is
+ *   still pressed)
+ * ------------------------------------------------------------------------- */
 
-			// left hand
-			  0,  0,  0,  0,  0,  0,  0,
-			  0,  0,  0,  0,  0,  0,  0,
-			  0,  0,  0,  0,  0,  0,
-			  0,  0,  0,  0,  0,  0,  0,
-			  0,  0,  0,  0,  0,
-			                        0,
-			                        0,    0,
-			                      0,  0,  0,
+// prefix function (undefined later)
+// - to keep these names reasonable in this block, and obviously not global
+//   outside it
+// - 'L' is for 'local'
+#define L(name) _kbfun_layermask_numpad__##name
 
-			// right hand
-			      0,  0,  1,  1,  1,  1,  0,
-			      0,  0,  1,  1,  1,  1,  0,
-			          0,  1,  1,  1,  1,  0,
-			      0,  0,  1,  1,  1,  1,  0,
-			              0,  0,  0,  0,  0,
-			        0,
-			  0,    0,
-			  0,  0,  0 );
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 
-	// set numlock
-	if ( // if pressed and numlock off
-	     (pressed_ && !(keyboard_leds & (1<<0))) ||
-	     // if released and numlock on
-	     (!pressed_ && (keyboard_leds & (1<<0))) ) {
+// vars
+static bool L(numpad_activated) = false;
+static bool L(layer_mask)[KB_ROWS][KB_COLUMNS] =
+	MATRIX_LAYER(
+		// unused
+		0,
 
-		// toggle numlock
-		_press_release(true, KEYPAD_NumLock_Clear);
-		usb_keyboard_send();
-		_press_release(false, KEYPAD_NumLock_Clear);
-		usb_keyboard_send();
-	}
+		// left hand
+		  0,  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,
+		                        0,
+		                        0,    0,
+		                      0,  0,  0,
 
-	// set layer mask
-	if (pressed_)
-		_layer_set_mask(keycode_, layer_mask, current_layers_);
-	else
-		_layer_set_mask(*current_layer_, layer_mask, current_layers_);
+		// right hand
+		      0,  0,  1,  1,  1,  1,  0,
+		      0,  0,  1,  1,  1,  1,  0,
+		          0,  1,  1,  1,  1,  0,
+		      0,  0,  1,  1,  1,  1,  0,
+		              0,  0,  0,  0,  0,
+		        0,
+		  0,    0,
+		  0,  0,  0 );
+
+// functions
+static inline void L(toggle_numlock)(void) {
+	_press_release(true, KEYPAD_NumLock_Clear);
+	usb_keyboard_send();
+	_press_release(false, KEYPAD_NumLock_Clear);
+	usb_keyboard_send();
 }
 
+static void L(toggle_numpad)(
+		uint8_t numpad_layer,
+		uint8_t current_layer,
+		uint8_t (*current_layers)[KB_ROWS][KB_COLUMNS] ) {
+
+	if (L(numpad_activated)) {
+		// deactivate numpad
+		_layer_set_mask(current_layer, L(layer_mask), current_layers);
+		L(numpad_activated) = false;
+
+		// if: numlock on
+		if (keyboard_leds & (1<<0))
+			L(toggle_numlock)();
+	} else {
+		// activate numpad
+		_layer_set_mask(numpad_layer, L(layer_mask), current_layers);
+		L(numpad_activated) = true;
+
+		// if: numlock off
+		if (!(keyboard_leds & (1<<0)))
+			L(toggle_numlock)();
+	}
+}
+
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+/*
+ * Numpad toggle
+ * - Toggles the numpad and sets numlock on (for active) or off (for inactive)
+ *   with it, if it's not already in that state
+ */
+void kbfun_layermask_numpad_toggle( KBFUN_FUNCTION_ARGS ) {
+	L(toggle_numpad)(keycode_, *current_layer_, current_layers_);
+}
+
+/*
+ * Numpad on
+ * - Set the numpad on (along with numlock, if it's not already)
+ */
+void kbfun_layermask_numpad_on( KBFUN_FUNCTION_ARGS ) {
+	if (!L(numpad_activated))
+		L(toggle_numpad)(keycode_, *current_layer_, current_layers_);
+}
+
+/*
+ * Numpad off
+ * - Set the numpad off (along with numlock, if it's not already)
+ */
+void kbfun_layermask_numpad_off( KBFUN_FUNCTION_ARGS ) {
+	if (L(numpad_activated))
+		L(toggle_numpad)(keycode_, *current_layer_, current_layers_);
+}
+
+// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+// prefix function (undefined here)
+#undef L
+
+/* ----------------------------------------------------------------------------
+ * ------------------------------------------------------------------------- */
+
 
 // ----------------------------------------------------------------------------
 // public functions (device specific)
diff --git a/src/lib/key-functions.h b/src/lib/key-functions.h
index b0e1740..b6e87ce 100644
--- a/src/lib/key-functions.h
+++ b/src/lib/key-functions.h
@@ -48,15 +48,17 @@
 
 	void _kbfun_exec_key ( KBFUN_FUNCTION_ARGS );
 
-	void kbfun_press_release			(KBFUN_FUNCTION_ARGS);
-	void kbfun_toggle				(KBFUN_FUNCTION_ARGS);
-	void kbfun_layer_inc				(KBFUN_FUNCTION_ARGS);
-	void kbfun_layer_dec				(KBFUN_FUNCTION_ARGS);
-	void kbfun_layer_inc_exec			(KBFUN_FUNCTION_ARGS);
-	void kbfun_layer_dec_exec			(KBFUN_FUNCTION_ARGS);
-	void kbfun_2_keys_capslock_press_release	(KBFUN_FUNCTION_ARGS);
-	void kbfun_layermask_numpad_press_release       (KBFUN_FUNCTION_ARGS);
-	void kbfun_jump_to_bootloader                   (KBFUN_FUNCTION_ARGS);
+        void kbfun_press_release                 (KBFUN_FUNCTION_ARGS);
+        void kbfun_toggle                        (KBFUN_FUNCTION_ARGS);
+        void kbfun_layer_inc                     (KBFUN_FUNCTION_ARGS);
+        void kbfun_layer_dec                     (KBFUN_FUNCTION_ARGS);
+        void kbfun_layer_inc_exec                (KBFUN_FUNCTION_ARGS);
+        void kbfun_layer_dec_exec                (KBFUN_FUNCTION_ARGS);
+        void kbfun_2_keys_capslock_press_release (KBFUN_FUNCTION_ARGS);
+        void kbfun_layermask_numpad_toggle       (KBFUN_FUNCTION_ARGS);
+        void kbfun_layermask_numpad_on           (KBFUN_FUNCTION_ARGS);
+        void kbfun_layermask_numpad_off          (KBFUN_FUNCTION_ARGS);
+        void kbfun_jump_to_bootloader            (KBFUN_FUNCTION_ARGS);
 
 #endif