ergodox_ez: Upgrade my keymap to v1.4

* When toggling the key logging on or off, the LEDs will do a little dance.
* The keylogger is now optional, but enabled by default. Use `KEYLOGGER_ENABLE=no` on the `make` command line to disable it.
* The `TAB`/`ARRW` key was turned into a tap-dance key, allowing one to toggle the **ARROW** layer on by double-tapping, and as such, avoid the need to hold the key.
* The `-`/`_` key was turned into a tap-dance key too.
* There is now a way to travel time with the keyboard, toggle the feature on by hitting `LEAD t`.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

4 files changed, 687 insertions, 28 deletions

diff --git a/keyboards/ergodox_ez/keymaps/algernon/Makefile b/keyboards/ergodox_ez/keymaps/algernon/Makefile
index 005f9750c3..6bf3976b9d 100644
--- a/keyboards/ergodox_ez/keymaps/algernon/Makefile
+++ b/keyboards/ergodox_ez/keymaps/algernon/Makefile
@@ -4,13 +4,19 @@ SLEEP_LED_ENABLE=no
 UNICODE_ENABLE=no
 FORCE_NKRO ?= yes
 DEBUG_ENABLE = no
-CONSOLE_ENABLE = yes
+CONSOLE_ENABLE = no
 TAP_DANCE_ENABLE = yes
+KEYLOGGER_ENABLE ?= yes
 
 ifeq (${FORCE_NKRO},yes)
 OPT_DEFS += -DFORCE_NKRO
 endif
 
+ifeq (${KEYLOGGER_ENABLE},yes)
+OPT_DEFS += -DKEYLOGGER_ENABLE
+CONSOLE_ENABLE = yes
+endif
+
 KEYMAP_VERSION = $(shell \
  if [ -d "${KEYMAP_PATH}/.git" ]; then \
   cd "${KEYMAP_PATH}" && git describe --abbrev=6 --dirty --always --tags --match 'v*' 2>/dev/null; \
diff --git a/keyboards/ergodox_ez/keymaps/algernon/keymap.c b/keyboards/ergodox_ez/keymaps/algernon/keymap.c
index 09d8dffd59..c120872929 100644
--- a/keyboards/ergodox_ez/keymaps/algernon/keymap.c
+++ b/keyboards/ergodox_ez/keymaps/algernon/keymap.c
@@ -95,7 +95,9 @@ enum {
 /* Custom keycodes */
 
 enum {
-  CT_CLN = 0
+  CT_CLN = 0,
+  CT_MNS,
+  CT_TA,
 };
 
 /* States & timers */
@@ -115,7 +117,11 @@ uint16_t oh_left_blink_timer = 0;
 uint8_t oh_right_blink = 0;
 uint16_t oh_right_blink_timer = 0;
 
+#if KEYLOGGER_ENABLE
 bool log_enable = false;
+#endif
+
+bool time_travel = false;
 
 /* The Keymap */
 
@@ -146,7 +152,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 // left hand
  KC_GRV             ,M(KF_1)     ,M(KF_2)     ,M(KF_3),M(KF_4),M(KF_5),M(A_PLVR)
 ,M(A_MPN)           ,KC_QUOT     ,KC_COMM     ,KC_DOT ,KC_P   ,KC_Y   ,KC_LBRC
-,LT(ARRW,KC_TAB)    ,KC_A        ,KC_O        ,KC_E   ,KC_U   ,KC_I
+,TD(CT_TA)          ,KC_A        ,KC_O        ,KC_E   ,KC_U   ,KC_I
 ,KC_MPLY            ,KC_SLSH     ,KC_Q        ,KC_J   ,KC_K   ,KC_X   ,KC_LPRN
 ,KC_NO              ,KC_NO       ,KC_NO       ,KC_NO  ,TD(CT_CLN)
 
@@ -155,11 +161,11 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                                                     ,KC_BSPC,F(F_SFT),M(A_ESC)
 
                                                                 // right hand
-                                                               ,KC_APP    ,M(KF_6),M(KF_7),M(KF_8),M(KF_9) ,M(KF_10) ,KC_F11
-                                                               ,KC_RBRC   ,KC_F   ,KC_G   ,KC_C   ,KC_R    ,KC_L     ,KC_BSLS
-                                                                          ,KC_D   ,KC_H   ,KC_T   ,KC_N    ,KC_S     ,LT(ARRW, KC_EQL)
-                                                               ,KC_RPRN   ,KC_B   ,KC_M   ,KC_W   ,KC_V    ,KC_Z     ,KC_MSTP
-                                                                                  ,KC_MINS,KC_NO  ,KC_NO   ,KC_NO    ,KC_NO
+                                                               ,KC_APP    ,M(KF_6),M(KF_7)   ,M(KF_8),M(KF_9) ,M(KF_10) ,KC_F11
+                                                               ,KC_RBRC   ,KC_F   ,KC_G      ,KC_C   ,KC_R    ,KC_L     ,KC_BSLS
+                                                                          ,KC_D   ,KC_H      ,KC_T   ,KC_N    ,KC_S     ,KC_EQL
+                                                               ,KC_RPRN   ,KC_B   ,KC_M      ,KC_W   ,KC_V    ,KC_Z     ,KC_MSTP
+                                                                                  ,TD(CT_MNS),KC_NO  ,KC_NO   ,KC_NO    ,KC_NO
 
                                                                ,OSL(NMDIA),M(OH_LEFT)
                                                                ,KC_LEAD
@@ -191,7 +197,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 // left hand
  KC_GRV             ,M(KF_1)     ,M(KF_2)     ,M(KF_3),M(KF_4),M(KF_5),M(A_PLVR)
 ,M(A_MPN)           ,KC_COMM     ,KC_DOT      ,KC_L   ,KC_W   ,KC_M   ,KC_LBRC
-,LT(ARRW, KC_TAB)   ,KC_A        ,KC_O        ,KC_E   ,KC_I   ,KC_U
+,TD(CT_TA)          ,KC_A        ,KC_O        ,KC_E   ,KC_I   ,KC_U
 ,KC_MPLY            ,KC_SLSH     ,KC_Z        ,KC_QUOT,KC_K   ,KC_X   ,KC_LPRN
 ,KC_NO              ,KC_NO       ,KC_NO       ,KC_NO  ,TD(CT_CLN)
 
@@ -200,11 +206,11 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                                                     ,KC_BSPC,F(F_SFT),M(A_ESC)
 
                                                                 // right hand
-                                                               ,KC_APP    ,M(KF_6),M(KF_7),M(KF_8),M(KF_9) ,M(KF_10) ,KC_F11
-                                                               ,KC_RBRC   ,KC_F   ,KC_H   ,KC_C   ,KC_P    ,KC_Y     ,KC_BSLS
-                                                                          ,KC_D   ,KC_R   ,KC_T   ,KC_N    ,KC_S     ,LT(ARRW, KC_EQL)
-                                                               ,KC_RPRN   ,KC_B   ,KC_G   ,KC_V   ,KC_J    ,KC_Q     ,KC_MSTP
-                                                                                  ,KC_MINS,KC_NO  ,KC_NO   ,KC_NO    ,KC_NO
+                                                               ,KC_APP    ,M(KF_6),M(KF_7)   ,M(KF_8),M(KF_9) ,M(KF_10) ,KC_F11
+                                                               ,KC_RBRC   ,KC_F   ,KC_H      ,KC_C   ,KC_P    ,KC_Y     ,KC_BSLS
+                                                                          ,KC_D   ,KC_R      ,KC_T   ,KC_N    ,KC_S     ,KC_EQL
+                                                               ,KC_RPRN   ,KC_B   ,KC_G      ,KC_V   ,KC_J    ,KC_Q     ,KC_MSTP
+                                                                                  ,TD(CT_MNS),KC_NO  ,KC_NO   ,KC_NO    ,KC_NO
 
                                                                ,OSL(NMDIA),M(OH_LEFT)
                                                                ,KC_LEAD
@@ -892,24 +898,92 @@ void ang_tap (uint16_t codes[]) {
   register_code (code); \
   unregister_code (code)
 
-void ang_tap_dance (qk_tap_dance_state_t *state) {
-  switch (state->keycode) {
-  case TD(CT_CLN):
-    if (state->count == 1) {
-      register_code (KC_RSFT);
-      register_code (KC_SCLN);
-      unregister_code (KC_SCLN);
-      unregister_code (KC_RSFT);
-    } else if (state->count == 2) {
-      register_code (KC_SCLN);
-      unregister_code (KC_SCLN);
-      reset_tap_dance (state);
-    }
+void ang_tap_dance_cln_finished (qk_tap_dance_state_t *state, void *user_data) {
+  if (state->count == 1) {
+    register_code (KC_RSFT);
+    register_code (KC_SCLN);
+  } else if (state->count == 2) {
+    register_code (KC_SCLN);
+  }
+}
+
+void ang_tap_dance_cln_reset (qk_tap_dance_state_t *state, void *user_data) {
+  if (state->count == 1) {
+    unregister_code (KC_SCLN);
+    unregister_code (KC_RSFT);
+  } else if (state->count == 2) {
+    unregister_code (KC_SCLN);
   }
 }
 
+void ang_tap_dance_mns_finished (qk_tap_dance_state_t *state, void *user_data) {
+  if (state->count == 1) {
+    register_code (KC_MINS);
+  } else if (state->count == 2) {
+    register_code (KC_RSFT);
+    register_code (KC_MINS);
+  }
+}
+
+void ang_tap_dance_mns_reset (qk_tap_dance_state_t *state, void *user_data) {
+  if (state->count == 1) {
+    unregister_code (KC_MINS);
+  } else if (state->count == 2) {
+    unregister_code (KC_RSFT);
+    unregister_code (KC_MINS);
+  }
+}
+
+typedef struct {
+  bool layer_toggle;
+  bool sticky;
+  bool finished_once;
+} td_ta_state_t;
+
+void ang_tap_dance_ta_finished (qk_tap_dance_state_t *state, void *user_data) {
+  td_ta_state_t *td_ta = (td_ta_state_t *) user_data;
+
+  if (td_ta->finished_once) {
+    return;
+  }
+
+  if (td_ta->sticky) {
+    td_ta->sticky = false;
+    td_ta->layer_toggle = false;
+    layer_off (ARRW);
+    return;
+  }
+
+  td_ta->finished_once = true;
+  if (state->count == 1 && !state->pressed) {
+    register_code (KC_TAB);
+    td_ta->sticky = false;
+    td_ta->layer_toggle = false;
+  } else {
+    td_ta->layer_toggle = true;
+    layer_on (ARRW);
+    td_ta->sticky = (state->count == 2);
+  }
+}
+
+void ang_tap_dance_ta_reset (qk_tap_dance_state_t *state, void *user_data) {
+  td_ta_state_t *td_ta = (td_ta_state_t *) user_data;
+
+  if (!td_ta->layer_toggle)
+    unregister_code (KC_TAB);
+  if (!td_ta->sticky)
+    layer_off (ARRW);
+
+  td_ta->finished_once = false;
+}
+
 const qk_tap_dance_action_t tap_dance_actions[] = {
-  [CT_CLN] = ACTION_TAP_DANCE_FN (ang_tap_dance)
+   [CT_CLN] = ACTION_TAP_DANCE_FN_ADVANCED (NULL, ang_tap_dance_cln_finished, ang_tap_dance_cln_reset)
+  ,[CT_MNS] = ACTION_TAP_DANCE_FN_ADVANCED (NULL, ang_tap_dance_mns_finished, ang_tap_dance_mns_reset)
+  ,[CT_TA]  = {
+     .fn = { NULL, ang_tap_dance_ta_finished, ang_tap_dance_ta_reset },
+     .user_data = (void *)&((td_ta_state_t) { false, false, false })
+   }
 };
 
 // Runs constantly in the background, in a loop.
@@ -1002,9 +1076,18 @@ void matrix_scan_user(void) {
     leading = false;
     leader_end ();
 
+#if KEYLOGGER_ENABLE
     SEQ_ONE_KEY (KC_D) {
+      ergodox_led_all_on();
+      _delay_ms(100);
+      ergodox_led_all_off();
       log_enable = !log_enable;
     }
+#endif
+
+    SEQ_ONE_KEY (KC_T) {
+      time_travel = !time_travel;
+    }
 
     SEQ_ONE_KEY (KC_U) {
       ang_do_unicode ();
@@ -1093,13 +1176,41 @@ void matrix_scan_user(void) {
   }
 }
 
+static uint16_t last4[4];
+
 bool process_record_user (uint16_t keycode, keyrecord_t *record) {
+#if KEYLOGGER_ENABLE
   uint8_t layer = biton32(layer_state);
 
   if (log_enable && layer == BASE) {
     xprintf ("KL: col=%d, row=%d\n", record->event.key.col,
              record->event.key.row);
   }
+#endif
+
+  if (time_travel && !record->event.pressed) {
+    uint8_t p;
+
+    // shift cache one to the left
+    for (p = 0; p < 3; p++) {
+      last4[p] = last4[p + 1];
+    }
+    last4[3] = keycode;
+
+    if (last4[0] == KC_D && last4[1] == KC_A && last4[2] == KC_T && last4[3] == KC_E) {
+      uint16_t codes[] = {KC_E, KC_SPC, KC_MINS, KC_D, KC_SPC, KC_QUOT, 0};
+      ang_tap (codes);
+      register_code (KC_RSFT);
+      register_code (KC_EQL);
+      unregister_code (KC_EQL);
+      unregister_code (KC_RSFT);
+
+      uint16_t codes2[] = {KC_4, KC_SPC, KC_D, KC_A, KC_Y, KC_S, KC_QUOT, 0};
+      ang_tap (codes2);
+
+      return false;
+    }
+  }
 
   return true;
 }
diff --git a/keyboards/ergodox_ez/keymaps/algernon/readme.md b/keyboards/ergodox_ez/keymaps/algernon/readme.md
index 2312dc59e2..6fe1775111 100644
--- a/keyboards/ergodox_ez/keymaps/algernon/readme.md
+++ b/keyboards/ergodox_ez/keymaps/algernon/readme.md
@@ -50,6 +50,7 @@ At its core, this is a Dvorak layout, with some minor changes. The more interest
     - `LEAD a` makes the [ADORE layer](#adore-layer) the default.
     - `LEAD v` prints the firmware version, the keyboard and the keymap.
     - `LEAD d` toggles logging keypress positions to the HID console.
+    - `LEAD t` toggles time travel. Figuring out the current `date` is left as an exercise to the reader.
 
 ## ADORE layer
 
@@ -148,6 +149,14 @@ The keymap default to forcing NKRO, which seems to upset Windows, and except the
 
 # Changelog
 
+## v1.4 - 2016-07-29
+
+* When toggling the key logging on or off, the LEDs will do a little dance.
+* The keylogger is now optional, but enabled by default. Use `KEYLOGGER_ENABLE=no` on the `make` command line to disable it.
+* The `TAB`/`ARRW` key was turned into a tap-dance key, allowing one to toggle the **ARROW** layer on by double-tapping, and as such, avoid the need to hold the key.
+* The `-`/`_` key was turned into a tap-dance key too.
+* There is now a way to travel time with the keyboard, toggle the feature on by hitting `LEAD t`.
+
 ## v1.3 - 2016-07-06
 
 * Added support for logging keys, by pressing `LEAD d`. Also included is a tool to generate a [heatmap](#heatmap) out of the logs.
diff --git a/keyboards/ergodox_ez/keymaps/algernon/tools/heatmap-adore-layout.json b/keyboards/ergodox_ez/keymaps/algernon/tools/heatmap-adore-layout.json
new file mode 100644
index 0000000000..544f61ce87
--- /dev/null
+++ b/keyboards/ergodox_ez/keymaps/algernon/tools/heatmap-adore-layout.json
@@ -0,0 +1,533 @@
+[
+  {
+    "backcolor": "#ffffff",
+    "name": "ErgoDox - algernon's layout: Heatmap",
+    "author": "Gergely Nagy <kbd@gergo.csillger.hu>",
+    "notes": "See [here](https://github.com/algernon/ergodox-layout#readme) for the QMK keymap source.",
+    "switchMount": "cherry",
+    "switchBrand": "gateron",
+    "switchType": "KS-3-Tea",
+    "pcb": true,
+    "css": ".keyborder { -webkit-filter: blur(5px); filter: blur(5px); } .keytop { -webkit-filter: blur(10px); } .keylabels { border: 1px solid black; }"
+  },
+  [
+    {
+      "x": 3.5,
+      "c": "#a7d0db",
+      "fa": [
+        0,
+        0,
+        2
+      ]
+    },
+    "#\n3\nF3",
+    {
+      "x": 10.5,
+      "c": "#a7d0db",
+      "t": "#000000",
+      "a": 4,
+      "fa": [
+        0,
+        0,
+        2
+      ]
+    },
+    "*\n8\nF8"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 2.5,
+      "c": "#bfbad1",
+      "t": "#0d0d0b"
+    },
+    "@\n2\nF2",
+    {
+      "x": 1,
+      "c": "#7adabd",
+      "t": "#000000"
+    },
+    "$\n4\nF4",
+    {
+      "x": 8.5
+    },
+    "&\n7\nF7",
+    {
+      "x": 1,
+      "c": "#bfbad1",
+      "t": "#0d0d0b"
+    },
+    "(\n9\nF9"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 5.5,
+      "c": "#7adabd",
+      "t": "#000000"
+    },
+    "%\n5\nF5",
+    {
+      "c": "#f9cd31",
+      "a": 7,
+      "f": 2
+    },
+    "STENO",
+    {
+      "x": 4.5,
+      "f": 6
+    },
+    "<i class='mss mss-Unicode-Option-3'></i>",
+    {
+      "c": "#7adabd",
+      "a": 4,
+      "f": 3,
+      "fa": [
+        0,
+        0,
+        2
+      ]
+    },
+    "^\n6\nF6"
+  ],
+  [
+    {
+      "y": -0.875,
+      "c": "#ffb2d2",
+      "f": 3,
+      "w": 1.5
+    },
+    "\n\n~\n`",
+    {
+      "t": "#0d0d0b"
+    },
+    "!\n1\nF1",
+    {
+      "x": 14.5
+    },
+    ")\n0\nF10",
+    {
+      "a": 7,
+      "w": 1.5
+    },
+    "F11"
+  ],
+  [
+    {
+      "y": -0.375,
+      "x": 3.5,
+      "c": "#a7d0db",
+      "t": "#000000",
+      "a": 6
+    },
+    "L",
+    {
+      "x": 10.5
+    },
+    "C"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 2.5,
+      "c": "#bfbad1",
+      "t": "#0d0d0b",
+      "a": 4
+    },
+    ">\n.",
+    {
+      "x": 1,
+      "c": "#7adabd",
+      "t": "#000000",
+      "a": 6
+    },
+    "W",
+    {
+      "x": 8.5
+    },
+    "H",
+    {
+      "x": 1,
+      "c": "#bfbad1",
+      "t": "#0d0d0b"
+    },
+    "P"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 5.5,
+      "c": "#7adabd",
+      "t": "#000000"
+    },
+    "M",
+    {
+      "c": "#93c9b7",
+      "a": 4,
+      "h": 1.5
+    },
+    "{\n[",
+    {
+      "x": 4.5,
+      "h": 1.5
+    },
+    "}\n]",
+    {
+      "c": "#7adabd",
+      "a": 6
+    },
+    "F"
+  ],
+  [
+    {
+      "y": -0.875,
+      "c": "#ffb07b",
+      "t": "#0d0d0b",
+      "f": 6,
+      "w": 1.5
+    },
+    "<i class='fa fa-fast-backward'></i>\n\n<i class='fa fa-fast-forward'></i>",
+    {
+      "c": "#ffb2d2",
+      "a": 4,
+      "f": 3
+    },
+    "<\n,",
+    {
+      "x": 14.5,
+      "a": 6
+    },
+    "Y",
+    {
+      "a": 4,
+      "w": 1.5
+    },
+    "|\n\\"
+  ],
+  [
+    {
+      "y": -0.375,
+      "x": 3.5,
+      "c": "#a7d0db",
+      "t": "#000000",
+      "a": 6
+    },
+    "E",
+    {
+      "x": 10.5
+    },
+    "T"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 2.5,
+      "c": "#bfbad1",
+      "t": "#0d0d0b"
+    },
+    "O",
+    {
+      "x": 1,
+      "c": "#7adabd",
+      "t": "#000000",
+      "n": true
+    },
+    "I",
+    {
+      "x": 8.5,
+      "n": true
+    },
+    "R",
+    {
+      "x": 1,
+      "c": "#bfbad1",
+      "t": "#0d0d0b"
+    },
+    "N"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 5.5,
+      "c": "#7adabd",
+      "t": "#000000"
+    },
+    "U",
+    {
+      "x": 6.5
+    },
+    "D"
+  ],
+  [
+    {
+      "y": -0.875,
+      "c": "#ffb2d2",
+      "t": "#0d0d0b",
+      "fa": [
+        6
+      ],
+      "w": 1.5
+    },
+    "<i class='fa fa-arrows'></i>\n\nTab",
+    {
+      "f": 3
+    },
+    "A",
+    {
+      "x": 14.5,
+      "f": 3
+    },
+    "S",
+    {
+      "a": 4,
+      "fa": [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        6
+      ],
+      "w": 1.5
+    },
+    "+\n="
+  ],
+  [
+    {
+      "y": -0.625,
+      "x": 6.5,
+      "c": "#93c9b7",
+      "t": "#000000",
+      "a": 7,
+      "h": 1.5
+    },
+    "(",
+    {
+      "x": 4.5,
+      "h": 1.5
+    },
+    ")"
+  ],
+  [
+    {
+      "y": -0.75,
+      "x": 3.5,
+      "c": "#a7d0db",
+      "a": 4,
+      "f": 3
+    },
+    "\"\n'",
+    {
+      "x": 10.5
+    },
+    "V"
+  ],
+  [
+    {
+      "y": -0.875,
+      "x": 2.5,
+      "c": "#bfbad1",
+      "t": "#0d0d0b"
+    },
+    "Z",
+    {
+      "x": 1,
+      "c": "#7adabd",
+      "t": "#000000"
+    },
+    "K",
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+      "c": "#bfbad1",
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+      "x": 5.5,
+      "c": "#7adabd",
+      "t": "#000000"
+    },
+    "X",
+    {
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+    "B"
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+  [
+    {
+      "y": -0.875,
+      "c": "#ffb07b",
+      "f": 9,
+      "w": 1.5
+    },
+    "\n\n<i class='kb kb-Multimedia-Play-Pause'></i>",
+    {
+      "c": "#ffb2d2",
+      "t": "#0d0d0b",
+      "a": 4,
+      "f": 3
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+    "?\n/",
+    {
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+      "a": 6
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+    "Q",
+    {
+      "c": "#ffb07b",
+      "t": "#000000",
+      "f": 9,
+      "w": 1.5
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+    "<i class='kb kb-Multimedia-Stop'></i>"
+  ],
+  [
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+      "x": 3.5,
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+      "g": true,
+      "a": 7,
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+      "c": "#d4872a",
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+    {
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+      "c": "#d9dae0",
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+    {},
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+      "x": 1,
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+        0,
+        0,
+        9
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+    "\n\n\n<i class='kb kb-logo-linux-debian fa-large'></i>"
+  ],
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+    "<i class='fa fa-angle-double-up'></i>",
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+      "f": 3
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+    "Ctrl"
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+  [
+    {
+      "x": 2,
+      "c": "#e26757"
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+    "ESC"
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+      "y": -1,
+      "x": -3,
+      "c": "#f9cd31",
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+    {},
+    "1HAND"
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+  [
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+      "c": "#f9cd31",
+      "f": 2
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+    "HUN"
+  ]
+]